POWR-GARD® Fuse Datasheet Traditional Semiconductor Fuses 150/250/500/600/700 VAC • Very Fast-Acting • 1-1200 A Ordering Information Ampere Ratings 1 2 3 4 5 6 7 8 9 10 12 15 17 1⁄2 20 25 30 35 40 45 50 60 70 80 90 100 110 125 150 175 200 225 250 275 300 350 400 450 500 550 600 700 800 900 1000 1200 Specifications Voltage Ratings L15S: L25S: L50S: L60S: KLC: L70S: 150 VAC/DC (1 – 60 A) 150 VAC (70 – 1000 A) 100 VDC (70 – 1000 A) 250 VAC/DC (1 – 200 A) 250 VAC (225 – 800 A) 200 VDC (225 – 800 A) 500 VAC/450 VDC 600 VAC 600 VAC 700 VAC/650 VDC L25S series fuses are Littelfuse Certified for DC ratings shown in Rating Table. Interrupting Rating AC: 200 kA rms (L15S series 100 kA) DC: 20 kA Ampere Range Approvals 1 – 1200 A See Rating Table for ratings available in each series. UL Recognized (File: E71611) CSA Recognized (File: LR29862) Recommended Fuse Holders 1LFS101/1LFS102 LSCR001/LSCR002 Web Resources For additional information, visit: littelfuse.com/semi ‡ Littelfuse.com Series Ordering Number L15S L15S001 L15S002 L15S003 L15S004 L15S005 L15S006 L15S007 L15S008 L15S009 L15S010 L15S012 L15S015 – L15S020 L15S025 L15S030 L15S035 L15S040 L15S045 L15S050 L15S060 L15S070 L15S080 L15S090 L15S100 – L15S125 L15S150 – L15S200 – L15S250 – L15S300 L15S350 L15S400 L15S450 L15S500 – L15S600 – L15S800 – L15S1000 – L25S L25S001 L25S002 L25S003 L25S004 L25S005 L25S006 – L25S008 – L25S010 L25S012 L25S015 – L25S020 L25S025 L25S030 L25S035 L25S040 L25S045 L25S050 L25S060 L25S070 L25S080 L25S090 L25S100 – L25S125 L25S150 L25S175 L25S200 L25S225 L25S250 L25S275 L25S300 L25S350 L25S400 L25S450 L25S500 – L25S600 L25S700 L25S800 – – – L50S – – – – – – – – – L50S010 L50S012 L50S015 – L50S020 L50S025 L50S030 L50S035 L50S040 – L50S050 L50S060 L50S070 L50S080 L50S090 L50S100 – L50S125 L50S150 L50S175 L50S200 L50S225 L50S250 L50S275 L50S300 L50S350 L50S400 L50S450 L50S500 L50S550 L50S600 L50S700 L50S800 LA50P9004 LA50P10004 LA50P12004 L60S L60S001 L60S002 L60S003 L60S004 L60S005 L60S006 – L60S008 – L60S010 L60S012 L60S015 L60S17.5 L60S020 L60S025 L60S030 L60S035 L60S040 L60S045 L60S050 L60S060 L60S070 L60S080 L60S090 L60S100 – L60S125 L60S150 L60S175 L60S200 L60S225 L60S250 – L60S300 L60S350 L60S400 L60S450 L60S500 – L60S600 L60S700 L60S800 – – – KLC ‡ KLC001 KLC002 KLC003 KLC004 KLC005 KLC006 KLC007 KLC008 – KLC010 KLC012 KLC015 KLC17.5 KLC020 KLC025 KLC030 KLC035 KLC040 KLC045 KLC050 KLC060 KLC070 KLC080 KLC090 KLC100 KLC110 KLC125 KLC150 KLC175 KLC200 KLC225 KLC250 – KLC300 KLC350 KLC400 KLC450 KLC500 – KLC600 KLC700 KLC800 – – – L70S – – – – – – – – – L70S010 – L70S015 – L70S020 L70S025 L70S030 L70S035 L70S040 – L70S050 L70S060 L70S070 L70S080 L70S090 L70S100 – L70S125 L70S150 L70S175 L70S200 L70S225 L70S250 – L70S300 L70S350 L70S400 L70S450 L70S500 – L70S600 L70S700 L70S800 LA70P9004 LA70P10004 LA70P12004 KLC series fuses are recommended for replacement use only. 1 of 8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet Traditional Semiconductor Fuses Dimensions Ampere Rating Fig. No. A B C Dimensions Inches (mm) D E F G H — — 43 64 ⁄ (17.1) 1 (25.4) — — 5 16 ⁄ (7.9) 13 32 ⁄ (10.3) — — 3 16 ⁄ (4.8) 14 ⁄ (6.4) L15S Series, 150 VAC 1 – 30 31 – 60 61 – 450 451 – 1000 1 1 3 3 3 8 13 32 11⁄2 (38.1) — ⁄ (9.5) ⁄ (10.3) 5 8 13 16 2 (50.8) — ⁄ (15.9) ⁄ (20.6) 1 5 ⁄32 (29.4) 17⁄ 8 (47.6) 2 3 ⁄16 (55.6) 2 21 ⁄32 (67.5) 11⁄4 (31.8) 115 ⁄16 (49.2) 2 9 ⁄16 (65.1) 3 1⁄2 (88.9) — — 1 (25.4) 11⁄ 2 (38.1) D C A L25S Series, 250 VAC 1 – 30 31 – 60 61 – 200 201 – 700 701 – 800 1 2 3 3 3 12 9 16 2 (50.8) — ⁄ (12.7) ⁄ (14.3) — 15 ⁄8 (41.3) 2 1⁄4 (57.2) 2 1⁄2 (63.5) 3 3 ⁄16 (81.0) 13 ⁄16 (20.6) 15 ⁄8 (41.3) 2 5 ⁄16 (58.7) 2 7⁄16 (61.9) 3 1⁄8 (79.4) 1 7⁄ 32 (31.0) 119 ⁄32 (40.5) 2 9 ⁄32 (57.9) 2 29 ⁄32 (73.8) 3 27⁄32 (97.6) 11⁄2 (38.1) 119 ⁄32 (40.5) 2 9 ⁄ 32 (57.9) 2 29 ⁄32 (73.8) 3 27⁄32 (97.6) 2 (50.8) — ⁄ (18.3) 1 (25.4) 1 (25.4) 11⁄ 2 (38.1) — ⁄ (8.7) 5 16 ⁄ (7.9) 13 32 ⁄ (10.3) 13 32 ⁄ (10.3) — ⁄ (3.2) 3 16 ⁄ (4.8) 14 ⁄ (6.4) 14 ⁄ (6.4) — ⁄ (18.3) ⁄ (19.1) .895 (22.7) 1 (25.4) 11⁄2 (38.1) 2 (50.8) — ⁄ (8.7) ⁄ (8.7) 5 16 ⁄ (7.9) 13 32 ⁄ (10.3) 13 32 ⁄ (10.3) 17 32 ⁄ (13.5) — ⁄ (3.2) ⁄ (3.2) 3 16 ⁄ (4.75) 14 ⁄ (6.4) 14 ⁄ (6.4) 3 8 ⁄ (9.5) — ⁄ (18.3) 23 32 ⁄ (18.3) 1 (25.4) 1 (25.4) 11⁄2 (38.1) 2 (50.8) — ⁄ (8.7) 11 32 ⁄ (8.7) 5 16 ⁄ (7.9) 13 32 ⁄ (10.3) 13 32 ⁄ (10.3) 17 32 ⁄ (13.5) — ⁄ (3.2) 18 ⁄ (3.2) 3 16 ⁄ (4.8) 14 ⁄ (6.4) 14 ⁄ (6.4) 3 8 ⁄ (9.5) — 43 64 ⁄ (17.1) 29 32 ⁄ (22.9) 1(25.4) 11⁄2 (38.1) 2 (50.8) — 11 32 ⁄ (8.7) 5 16 ⁄ (7.9) 13 32 ⁄ (10.3) 13 32 ⁄ (10.3) 17 32 ⁄ (13.5) — 18 ⁄ (3.2) 3 16 ⁄ (4.8) 14 ⁄ (6.4) 14 ⁄ (6.4) 3 8 ⁄ (9.5) H: 3 ⁄8 (9.5) J: 5 ⁄16 (7.9) 23 32 11 32 Fig. 1 18 L50S Series, 500 VAC / 450 VDC 10 – 30 31 – 60 61 – 100 101 – 200 201 – 400 401 – 600 601 – 800 1 2 3 3 3 3 3 2 (50.8) 1 5 ⁄8 (41.3) 2 1 ⁄8 (54.0) 2 1 ⁄ 8 (54.0) 2 3 ⁄ 32 (53.2) 2 7⁄ 32 (56.4) 2 7⁄ 32 (56.4) — 2 1⁄4 (57.2) 2 11 ⁄16 (68.3) 2 13 ⁄16 (71.4) 2 25 ⁄ 32 (70.6) 2 29 ⁄ 32 (73.8) 4 9 ⁄ 32 (108.7) 12 ⁄ (12.7) 2 1⁄2 (63.5) 3 (76.2) 2 15 ⁄16 (74.6) 13 32 3 ⁄ (86.5) 3 17⁄ 32 (89.7) 4 5 ⁄8 (117.5) 9 16 ⁄ (14.3) — 3 3 ⁄16 (81.0) 13 ⁄16 (20.6) 3 5 ⁄8 (92.1) 1 (25.4) 3 5 ⁄8 (92.1) 1 7⁄ 32 (31.0) 11 32 4 ⁄ (110.3) 11⁄2 (38.1) 4 15 ⁄ 32 (113.5) 2 (50.8) 6 15 ⁄ 32 (164.3) 2 1⁄2 (63.5) — 3 7⁄16 (87.3) 3 17⁄32 (89.7) 3 9 ⁄16 (90.5) 3 31 ⁄32 (100.8) 3 31 ⁄32 (100.8) 5 5 ⁄32 (133.4) 5 8 ⁄ (15.9) 3 11 ⁄16 (93.7) 3 25 ⁄32 (96.0) 3 3 ⁄4 (95.3) 4 5 ⁄32 (105.6) 4 9 ⁄ 64 (105.2) 5 11 ⁄32 (135.7) 13 16 ⁄ (20.6) 4 3 ⁄ 8 (111.1) 4 15 ⁄32 (113.5) 413 ⁄ 32 (111.9) 5 1⁄8 (130.2) 5 1⁄8 (130.2) 7 1⁄4 (184.2) 23 32 3 4 11 32 11 32 F 1 8 1 8 A B C D G H E Fig, 2 L60S Series, 600 VAC 1 – 30 31 – 60 61 – 100 101 – 200 201 – 400 401 – 600 601 – 800 1 2 2 2 2 2 2 5 (127.0) 2 25 ⁄ 32 (70.6) 2 29 ⁄32 (73.8) 2 29 ⁄ 32 (73.8) 2 29 ⁄ 32 (73.8) 2 7⁄8 (73.0) 3 1 ⁄32 (77.0) — ⁄ (20.6) 11 ⁄16 (27.0) 1 5 ⁄16 (33.3) 137⁄ 64 (40.1) 2 1 ⁄16 (52.8) 2 1⁄2 (63.5) 13 16 23 32 11 32 18 F G L70S Series, 700 VAC / 650 VDC 10 – 30 31 – 60 61 – 100 101 – 200 201 – 400 401 – 600 1 3 3 3 3 3 2 (50.8) 2 7⁄8 (73.0) 2 7⁄8 (73.0) 2 27⁄ 32 (72.2) 2 27⁄ 32 (72.2) 2 27⁄ 32 (72.2) — 3 7⁄16 (87.3) 3 9 ⁄16 (90.5) 3 17⁄ 32 (89.7) 3 17⁄ 32 (89.7) 4 29 ⁄ 32 (124.6) ⁄ (12.7) 3 25 ⁄ 32 (96.0) 3 11 ⁄16 (93.7) 4 5 ⁄ 32 (105.6) 4 5 ⁄ 32 (105.6) 5 1⁄ 4 (133.4) 601 – 800 4 3 5 ⁄16 (84.1) 5 5 ⁄16 (134.9) 6 13 ⁄16 (173.0) 12 ⁄ (14.3) — 4 3 ⁄8 (111.1) 1 (25.4) 4 3 ⁄8 (111.1) 1 7⁄ 32 (31.0) 5 3 ⁄ 32 (129.4) 1 1⁄2 (38.1) 5 3 ⁄ 32 (129.4) 2 (50.8) 7 3 ⁄ 32 (180.2) 2 1⁄2 (63.5) 9 16 — 2 7⁄8 (73.0) 2 (50.8) ⁄ (15.9) 5 8 KLC Series, 600 VAC 1 – 30 31 – 60 61 – 100 101 – 200 201 – 400 401 – 800 Littelfuse.com 2 2 3 3 3 3 1 ⁄ (47.6) 2 3 ⁄4 (69.9) 2 7⁄8 (73.0) 2 27⁄ 32 (72.2) 2 27⁄ 32 (72.2) 2 27⁄ 32 (72.2) 78 H A B C D E Fig. 3 F 2 ⁄ (63.5) 3 3 ⁄8 (85.7) 3 21 ⁄ 32 (92.9) 3 17⁄ 32 (89.7) 4 21 ⁄ 32 (118.3) 4 21 ⁄ 32 (118.3) 12 — 3 5 ⁄8 (92.1) 4 1 ⁄16 (103.2) 4 3 ⁄8 (111.1) 4 27⁄ 32 (123.0) 5 11 ⁄ 32 (135.7) 2 ⁄ (73.0) ⁄ (14.3) 4 5 ⁄16 (109.5) 13 ⁄16 (20.6) 5 (127.0) 1 (25.4) 5 3 ⁄ 32 (129.4) 1 1⁄2 (38.1) 6 1⁄4 (158.8) 2 (50.8) 6 1⁄4 (158.8) 2 1⁄2 (63.5) 78 9 16 2 of 8 ⁄ (10.3) ⁄ (18.3) 3 4 ⁄ (19.1) 1 (25.4) 1 5 ⁄8 (41.3) 2 (50.8) 13 32 23 32 ⁄ (6.4) ⁄ (8.7) 13 32 ⁄ (10.3) 13 32 ⁄ (10.3) 9 16 ⁄ (14.3) 9 16 ⁄ (14.3) ⁄ (1.2) ⁄ (3.2) 1 8 ⁄ (3.2) 14 ⁄ (6.4) 14 ⁄ (6.4) 3 8 ⁄ (9.5) 14 3 64 11 32 1 8 G A B C J E Fig. 4 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 H POWR-GARD® Fuse Datasheet LA15QS Alternate dimension Semiconductor Fuses 150 VAC • Very Fast-Acting • 1-6000 A LA15QS Series Ampere Rating Catalog Number 1 2 3 4 5 6 7 8 10 12 15 20 25 30 35 40 40 45 50 50 55 60 70 70 80 80 90 100 100 130 130 150 150 150 200 200 LA15QS1-2 LA15QS2-2 LA15QS3-2 LA15QS4-2 LA15QS5-2 LA15QS6-2 LA15QS7-2 LA15QS8-2 LA15QS10-2 LA15QS12-2 LA15QS15-2 LA15QS20-2 LA15QS25-2 LA15QS30-2 LA15QS35-1 LA15QS40-1 LA15QS40-4TI LA15QS45-1 LA15QS50-1 LA15QS50-4 LA15QS55-1 LA15QS60-1 LA15QS70-4 LA15QS70-4TI LA15QS80-4 LA15QS80-4TI LA15QS90-4 LA15QS100-4 LA15QS100-4TI LA15QS130-4 LA15QS130-4TI LA15QS150-4 LA15QS150-4IL LA15QS150-4TI LA15QS200-4 LA15QS200-4IL Maximum Watts Loss Mounting Clearing I2t @150 @ Rated Type 2 3 Current (W) VAC (A s x 10 ) 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 4TI 1 1 4 1 1 4 4TI 4 4TI 4 4 4TI 4 4TI 4 4IL 4TI 4 4IL 0.0002 0.001 0.003 0.007 0.012 0.022 0.011 0.015 0.019 0.030 0.042 0.072 0.14 0.25 0.21 0.28 0.39 0.34 0.47 0.64 Contact Factory 0.94 2 2 2.5 2.5 3.1 3.6 3.6 5.3 5.3 6.8 6.8 6.8 9 9 0.68 1.3 1.7 2.1 2.8 3.1 2.2 2.5 2.6 3 3 4 5.2 5.6 9 10 3.1 12 13 4 Contact Factory 14 5.6 5.6 8 8 9 10 10 14 14 16 16 16 22 22 Specifications Voltage Rating Interrupting Rating Ampere Range Approvals Ampere Rating Catalog Number 250 250 300 300 300 350 350 400 400 400 450 450 500 500 600 600 800 1000 1000 1000 1000 1000 1200 1200 1500 1500 2000 2000 2500 2500 3000 3000 3500 4000 4000 5000 6000 LA15QS250-4 LA15QS250-4TI LA15QS300-4 LA15QS300-4IL LA15QS300-4TL LA15QS350-4 LA15QS350-4TI LA15QS400-4 LA15QS400-4IL LA15QS400-4TI LA15QS450-4 LA15QS450-4IL LA15QS500-4 LA15QS500-4IL LA15QS600-4 LA15QS600-4IL LA15QS800-4 LA15QS1000-4 LA15QS1000-4IL LA15QS1000-4TI LA15QS1000-128 LA15QS1000-128IL LA15QS1200-128 LA15QS1200-128IL LA15QS1500-128 LA15QS1500-128IL LA15QS2000-128 LA15QS2000-128IL LA15QS2500-128 LA15QS2500-128IL LA15QS3000-128 LA15QS3000-128IL LA15QS3500-128 LA15QS4000-128 LA15QS4000-128IL LA15QS5000-128 LA15QS6000-128 Maximum Watts Loss Mounting Clearing I2t @150 @ Rated Type 2 3 Current (W) VAC (A s x 10 ) 4 4TI 4 4IL 4TI 4 4TI 4 4IL 4TI 4 4IL 4 4IL 4 4IL 4 4 4IL 4TI 128 128IL 128 128IL 128 128IL 128 128IL 128 128IL 128 128IL 128 128 128IL 128 128 15 15 22 22 22 32 32 40 40 40 50 50 90 90 130 130 290 520 520 520 540 540 680 680 1200 1200 1900 1900 3200 3200 4800 4800 6500 8500 8500 Contact Factory Contact Factory Figure 1 AC: 150 V DC: 150 V 100 kA 1 – 6000 A UL Recognized Figure 2 Figure 3 Web Resources 22 27 33 33 33 40 40 45 45 45 50 50 30 30 35 35 57 75 75 75 88 88 100 100 130 130 165 165 195 195 240 240 260 270 270 Contact Factory Contact Factory Figure 4 Figure 5 For additional information, visit: littelfuse.com/la15qs Dimensions Dimensions for reference only. Ampere RATINGS MountING Type FigURE No. 1 – 30 35 – 60 40 – 450 500 – 1000 750 – 2000 2500 – 3000 3500 – 4000 5000 – 6000 2 1 4, 4TI*, 4IL* 4, 4TI*, 4IL* 128, 128IL* 128, 128IL* 128, 128IL* 128 1 1 2 2 3 3 4 5 1.50 2.00 2.66 3.50 1.88 1.88 1.88 2.38 A (38.1) (50.8) (67.6) (88.9) (47.9) (47.9) (47.9) (60.5) 0.41 0.81 1.00 1.50 2.00 3.00 3.50 5.75 B (10.4) (20.6) (25.4) (38.1) (50.8) (76.2) (88.9) (146) C – – 1.16 (29.5) 1.25 (31.8) 1.63 (41.4) 1.63 (41.4) 1.63 (41.4) 1.88 (47.7) Dimensions Inches (mm) D E – – 2.19 (55.6) 2.56 (65.0) 1.75 (44.5) 2.50 (63.5) 3.00 (76.2) 5.00 (127) – – 1.91 (48.5) 1.94 (49.3) 1.00 (25.4) 1.50 (38.1) 1.06 (27.0) 1.50 (38.1) F – – 0.31 (7.9) 0.41 (10.4) – – 1.06 (27.0) 1.50 (38.1) G – – 0.88 (22.4) 1.00 (25.4) – – – – H – – 0.19 (4.8) 0.25 (6.4) – – – – Tap – – – – 3 ⁄8 -24-1⁄2 deep 1 ⁄2 -20-1⁄2 deep 1 ⁄2 -20-1⁄2 deep 1 ⁄2 -20-1⁄2 deep *Optional Trigger Actuator (IL). Optional Trigger Indicator (TI) see web for dimensions. Littelfuse.com 3 of 8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet LA30QS Alternate dimension Semiconductor Fuses 300 VAC • Very Fast-Acting • 35-4500 A LA30QS Series Ampere Rating Catalog Number 35 40 50 60 70 80 90 100 100 125 130 150 150 175 200 200 225 250 250 300 300 350 400 400 400 450 LA30QS35-4 LA30QS40-4 LA30QS50-4 LA30QS60-4 LA30QS70-4 LA30QS80-4 LA30QS90-4 LA30QS100-4 LA30QS100-4TI LA30QS125-4 LA30QS130-4 LA30QS150-4 LA30QS150-4TI LA30QS175-4 LA30QS200-4 LA30QS200-4TI LA30QS225-4 LA30QS250-4 LA30QS250-4TI LA30QS300-4 LA30QS300-4TI LA30QS350-4 LA30QS400-4 LA30QS400-4IL LA30QS400-4TI LA30QS450-4 Maximum Watts Loss @ Rated Mounting Clearing I2 t Current Type @300 VAC (W) (A 2s x 10 3) 4 0.9 6.4 4 1.2 7 4 2 9.9 4 2.7 11.6 4 1.6 11 4 2.6 11 4 3.2 13 4 4.1 13 4TI 4.1 13 4 6.3 16 4 6.3 16 4 9.3 19 4TI 9.3 19 4 10 27 4 15 30 4TI 15 30 4 22 33 4 25 41 4TI 25 41 4 37 47 4TI 37 47 4 62 49 4 83 56 4IL 83 56 4TI 83 56 4 130 53 Ampere Rating Catalog Number 500 550 600 600 600 700 700 800 800 800 1000 1000 1200 1500 1500 1600 2000 2000 2500 2500 3000 3500 3500 4000 4500 LA30QS500-4 LA30QS550-4 LA30QS600-4 LA30QS600-4TI LA30QS600-4IL LA30QS700-4 LA30QS700-128 LA30QS800-4 LA30QS800-4IL LA30QS800-128 LA30QS1000-128 LA30QS1000-128IL LA30QS1200-128 LA30QS1500-128 LA30QS1500-128IL LA30QS1600-128 LA30QS2000-128 LA30QS2000-128IL LA30QS2500-128 LA30QS2500-128IL LA30QS3000-128 LA30QS3500-128 LA30QS3500-128IL LA30QS4000-128 LA30QS4500-128 Maximum Watts Loss Mounting Clearing I2 t @ Rated Current Type @300 VAC (W) (A 2s x 10 3) 4 160 59 4 190 65 4 230 69 4TI 230 69 4IL 230 69 4 260 90 128 260 73 4 330 108 4IL 330 108 128 330 84 128 460 105 128IL 460 105 128 880 110 128 1400 140 128IL 1400 140 128 1690 150 128 2600 190 128IL 2600 190 128 4000 230 128IL 4000 230 128 4700 340 128 6500 380 128IL 6500 380 128 8600 450 128 11000 500 Description Littelfuse LA30QS series Semiconductor protection fuses are intended for the protection of Power Semiconductors such as diodes, phase control SCR’s and other power semiconductor devices. The LA30QS is recommended for new applications providing solutions for your critical protection needs for 300V and less semiconductors. Figure 1 Figure 2 Specifications Voltage Rating Interrupting Rating Ampere Range Approvals AC: 300 V DC: 300 V 200 kA 35 – 4500 A UL Recognized Figure 3 Figure 4 Web Resources For additional information, visit: littelfuse.com/la30qs Dimensions Ampere RATING 35 – 60 70 – 200 225 – 800 800 – 1200 1500 – 2500 3000 – 4500 MountING Type 4 4 4, 4IL* 128 128, 128IL* 128, 128IL* Dimensions for reference only. FigURE No. 1 2 2 3 4 4 Dimensions Inches (mm) A B C D E F 3.19 (81.0) 0.81 (20.6) 1.63 (41.4) 2.50 (63.5) 2.25 (57.5) 0.34 (8.6) 3.13 (79.5) 1.22 (31.0) 1.63 (41.4) 2.44 (62.0) 2.31 (58.7) 0.31 (7.9) 3.84 (97.5) 1.50 (38.1) 1.59 (40.1) 2.91 (73.9) 2.28 (57.9) 0.41 (10.4) 2.59 (65.8) 3.00 (76.2) 2.34 (59.4) 2.50 (63.5) 1.50 (38.1) – 2.59 (65.8) 3.50 (88.9) 2.34 (59.4) 3.00 (76.2) 1.50 (38.1) 1.50 (38.1) 2.59 (65.8) 4.50 (114) 2.34 (59.4) 3.75 (95.3) 1.50 (38.1) 1.50 (38.1) G 0.72 (18.3) 1.00 (25.4) 1.00 (25.4) – – – H 0.13 (3.3) 0.19 (4.8) 0.25 (6.4) – – – Tap – – – 3 8 ⁄ -24-1⁄2 deep 3 8 ⁄ -24-1⁄2 deep 12 ⁄ -20-1⁄ 2 deep *Optional Trigger Actuator (IL). Optional Trigger Indicator (TI) see web for dimensions. Littelfuse.com 4 of 8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet LA50QS Alternate dimension Semiconductor Fuses 500 VAC • Very Fast-Acting • 35-1200 A Description LA50QS Series Ampere Rating Catalog Number Mounting Type 35 40 50 60 70 80 90 100 125 150 175 200 225 250 300 350 400 450 500 600 700 800 900 1000 1200 LA50QS35-4 LA50QS40-4 LA50QS50-4 LA50QS60-4 LA50QS70-4 LA50QS80-4 LA50QS90-4 LA50QS100-4 LA50QS125-4 LA50QS150-4 LA50QS175-4 LA50QS200-4 LA50QS225-4 LA50QS250-4 LA50QS300-4 LA50QS350-4 LA50QS400-4 LA50QS450-4 LA50QS500-4 LA50QS600-4 LA50QS700-4 LA50QS800-4 LA50QS900-4 LA50QS1000-4 LA50QS1200-4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Maximum Clearing I2 t @500 VAC (A 2s x 10 3) 0.56 0.69 1.1 1.8 1.9 2.6 3.6 4.4 5.6 9 15 20 25 29 55 88 98 130 160 220 270 360 500 560 930 Watts Loss @ Rated Current (W) 6 7 8 10 12 14 15 17 21 25 29 33 37 41 49 57 65 69 77 92 110 130 140 160 175 In response to new equipment requirements, Littelfuse LA50QS series fuses were developed to improve the overall performance of semiconductor fuses. The LA50QS provides the best protection features including lower I2t, longer life when subjected to cyclic loading and lower watts loss. LA50QS is today’s choice for the protection of dynamic solid state equipment. Specifications Voltage Rating Interrupting Rating Ampere Range Approvals AC: 500 V DC: 500 V AC: 200 kA DC: 100 kA 35 – 1200 A UL Recognized CSA Certified Web Resources For additional information, visit: littelfuse.com/la50qs Dimensions Dimensions for reference only. Ampere RATING MountING Type 35 – 100 4 125 – 200 4 225 – 400 4 450 – 600 4 700 – 800 4 900 – 1200 4 A 3.63 (92.2) 3.63 (92.2) 4.34 (110) 4.47 (114) 6.47 (164.3) 6.97 (177.0) B 1.00 (25.4) 1.22 (31.0) 1.50 (38.1) 2.00 (50.8) 2.50 (63.5) 3.00 (76.2) C 2.13 (54.1) 2.13 (54.1) 2.09 (53.1) 2.22 (56.4) 2.22 (56.4) 3.22 (81.8) Dimensions inches (mm) D E 2.94 2.75 (74.7) (69.9) 2.94 2.81 (74.7) (71.4) 3.41 2.78 (86.6) (70.6) 3.53 2.91 (89.7) (73.9) 5.00 3.44 (127.0) (87.3) 5.47 4.47 (138.9) (113.5) F 0.31 (7.9) 0.31 (7.9) 0.41 (10.4) 0.41 (10.4) 0.53 (13.5) 0.63 (15.9) G 0.75 (19.1) 1.00 (25.4) 1.00 (25.4) 1.50 (38.1) 1.50 (38.1) 2.38 (60.3) H 0.13 (3.3) 0.19 (4.8) 0.25 (6.4) 0.25 (6.4) 0.25 (6.4) 0.44 (11.1) Contact Littelfuse for characteristic curves. Littelfuse.com 5 of 8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet Alternate dimension Semiconductor Fuses 600 VAC/DC • Very Fast-Acting • 5-40 A LA60Q Series Semiconductor Fuses Ampere Rating Catalog Number 5 8 10 12 15 20 25 30 35 40 LA60Q5-2 LA60Q8-2 LA60Q10-2 LA60Q12-2 LA60Q15-2 LA60Q20-2 LA60Q25-2 LA60Q30-2 LA60Q35-2 LA60Q40-2 Maximum Mounting Clearing I2 t Type @600 VAC (A2s) 2 2 2 2 2 2 2 2 2 2 Description Watts Loss @ Rated Current (W) 60 70 110 150 180 330 440 860 1300 1800 Littelfuse LA60Q semiconductor protection fuses feature a 600 volt AC/DC rating in a compact size (1 1⁄2” x 13 ⁄ 32”). LA60Q also has the lowest I2t of all similar fuses and excellent cycling ability. Applications include inverters and small equipment requiring extremely fast response to faults, without the need to carry sustained heavy overloads. 0.7 1.1 1.6 2 3 4.4 5.5 5.6 6.4 7 Dimensions Inches 1½ Specifications 13/32 Voltage Rating AC: 600 V DC: 600 V Interrupting Rating AC: 200 kA DC: 100 kA Ampere Range 5 – 40 A Approvals UL Recognized Web Resources For additional information, visit: littelfuse.com/la60q Contact Littelfuse for characteristic curves. 690 VAC/700 VDC • Very Fast-Acting • 10-100 A Description LA70QSF Series French Cylindrical Fuses Ampere Rating Catalog Number (No Striker) Catalog Number (With Striker) Body Size 10 12 16 20 25 32 40 50 20 25 32 40 50 63 80 100 LA70QS10-14F LA70QS12-14F LA70QS16-14F LA70QS20-14F LA70QS25-14F LA70QS32-14F LA70QS40-14F LA70QS50-14F LA70QS20-22F LA70QS25-22F LA70QS32-22F LA70QS40-22F LA70QS50-22F LA70QS63-22F LA70QS80-22F LA70QS100-22F LA70QS10-14FI LA70QS12-14FI LA70QS16-14FI LA70QS20-14FI LA70QS25-14FI LA70QS32-14FI LA70QS40-14FI LA70QS50-14FI LA70QS20-22FI LA70QS25-22FI LA70QS32-22FI LA70QS40-22FI LA70QS50-22FI LA70QS63-22FI LA70QS80-22FI LA70QS100-22FI 14 x 51 14 x 51 14 x 51 14 x 51 14 x 51 14 x 51 14 x 51 14 x 51 22 x 58 22 x 58 22 x 58 22 x 58 22 x 58 22 x 58 22 x 58 22 x 58 Maximum Watts Loss Clearing I2t @ Rated @700 VAC Current (W) 2 3 (A s x 10 ) 0.04 0.06 0.10 0.16 0.27 1.50 0.70 1.50 0.076 0.125 0.27 0.48 0.80 1.85 3.80 8.00 Specifications 3.5 4.4 4.8 5.2 5.8 7.0 10.7 11.6 8.0 10.0 11.0 13.0 14.9 16.0 17.8 19.0 Voltage Rating Interrupting Rating Ampere Range Approvals C AC: 690 V DC: 700 V AC: 200 kA DC: 100 kA 10 – 100 A B UL Recognized CSA Certified Web Resources A For additional information, visit: www.littelfuse.com/semi Dimensions B D C E Recommended Fuse Holders Fuse Size CYH series for non-striker fuses LA70QS(amp)22F CYH1451 series for LA70QS(amp)14F Littelfuse.com Littelfuse French Cylindrical style semiconductor fuses are an extension to the LA70QS series. They offer a solid-fill design with high interrupting ratings and an optional striker for visual or remote blown fuse indication. 14x51 22x58 14x51 Striker 22x58 Striker 6 of 8 A A B Dimensions mm C D E 14 22 14 22 51 58 51 58 14 16 14 16 – – 7.5 7.5 – – 3.8 3.8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet LA70QS Alternate dimension Semiconductor Fuses 700 VAC/VDC • Very Fast-Acting • 35-800 A Description LA70QS Series Semiconductor Fuses Ampere Rating Catalog Number Mounting Type 35 40 50 60 70 80 90 100 125 125 150 150 175 175 200 200 250 300 350 400 450 450 500 500 600 600 700 800 LA70QS35-4 LA70QS40-4 LA70QS50-4 LA70QS60-4 LA70QS70-4 LA70QS80-4 LA70QS90-4 LA70QS100-4 LA70QS125-4 LA70QS125-4K LA70QS150-4 LA70QS150-4K LA70QS175-4 LA70QS175-4K LA70QS200-4 LA70QS200-4K LA70QS250-4 LA70QS300-4 LA70QS350-4 LA70QS400-4 LA70QS450-4 LA70QS450-4K LA70QS500-4 LA70QS500-4K LA70QS600-4 LA70QS600-4K LA70QS700-4 LA70QS800-4 4 4 4 4 4 4 4 4 4 4K 4 4K 4 4K 4 4 4 4 4 4 4 4K 4 4K 4 4K 4 4 Maximum Clearing I2 t @700 VAC (A 2s x 10 3) 0.47 0.58 0.88 1.2 1.8 2.3 3 3.6 6.9 6.9 11 11 14 14 19 19 42 55 72 99 125 125 150 160 222 222 332 433 Watts Loss @ Rated Current (W) 6.2 7.5 9.8 12 15 16 20 24 22 22 28 29 35 35 41 41 42 53 64 75 75 75 92 92 116 116 125 143 Littelfuse LA70QS semiconductor fuses were developed to provide improved performance required by today’s new equipment. The LA70QS features lower I2t, improved cycling, and lower watts loss. It is the best choice for the protection of dynamic solid-state equipment. Features/Benefits • • • • • I2t improved protection of equipment. Superior cycling ability for long, reliable life on high cycling loading. Lower watts loss for cooler operation. 700 Volt AC/DC rating provides greater design versatility Compact sizes allow downsizing of equipment Specifications Voltage Rating Interrupting Rating Ampere Range Approvals AC: 700 V DC: 700 V AC: 200 kA DC: 100 kA 35 – 800 A UL Recognized CSA Certified Web Resources For additional information, visit: littelfuse.com/la70qs Dimensions Dimensions for reference only. Amperes Mounting Type 35 – 100 125 – 200 125 – 200 225 – 400 450 – 600 450 – 600 700 – 800 4 4 4K 4 4 4K 4 A 4.38 (111) 4.38 (111) 5.09 (129) 5.09 (129) 5.09 (129) 7.09 (180) 7.09 (180) B 1.00 (25.4) 1.22 (31.0) 1.22 (31.0) 1.50 (38.1) 2.00 (50.8) 2.00 (50.8) 2.50 (63.5) C 2.88 (73) 2.88 (73) 2.88 (73) 2.84 (72.2) 2.84 (72.2) 2.84 (72.2) 2.84 (72.2) Dimensions Inches (mm) D E 3.69 (93.6) 3.50 (88.9) 3.69 (93.6) 3.56 (90.5) 4.19 (106) 3.50 (88) 4.16 (106) 3.53 (89.7) 4.16 (106) 3.53 (89.7) 6.16 (156) 3.53 (89.7) 5.28 (134) 4.91 (125) F 0.31 (7.9) 0.31 (7.9) 0.41 (10.3) 0.40 (10.3) 0.41 (10.3) 0.53 (13.5) 0.53 (13.5) G 0.75 (19.0) 1.00 (25.4) 1.00 (25.4) 1.50 (38.1) 1.50 (38.1) 1.50 (38.1) 2.00 (50.8) H 0.13 (3.2) 0.19 (4.8) 0.19 (4.8) 0.25 (6.4) 0.25 (6.4) 0.25 (6.4) 0.38 (9.5) Contact Littelfuse for characteristic curves. Littelfuse.com 7 of 8 © 2013 Littelfuse POWR-GARD® Products Rev: 4-C-080613 POWR-GARD® Fuse Datasheet LA100P Alternate dimension Semiconductor Fuses 1000 VAC • Very Fast-Acting • 15-1000 A LA100P Series Semiconductor Fuses Ampere Rating Catalog Number Mounting Type 15 20 25 30 35 40 50 60 80 100 125 150 200 225 250 300 350 400 500 600 650 700 800 1000 LA100P15-1 LA100P20-1 LA100P25-1 LA100P30-1 LA100P35-4 LA100P40-4 LA100P50-4 LA100P60-4 LA100P80-4 LA100P100-4 LA100P125-4 LA100P150-4 LA100P200-4 LA100P225-4 LA100P250-4 LA100P300-4 LA100P350-4 LA100P400-4 LA100P500-4 LA100P600-4 LA100P650-4 LA100P700-4 LA100P800-4 LA100P1000-4 1 1 1 1 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Maximum Clearing I2 t @1000 VAC (A 2s x 10 3) 0.6 0.8 1,3 1.5 2.2 2.9 4.5 6.5 12 18 28 41 72 91 110 160 220 290 450 650 780 880 1200 1900 Description Littelfuse LA100P semiconductor protection fuses are rated 1000 V, extending the range of protection for UPS systems, AC and DC drives, reduced voltage motor starters and similar applications where lower I2t and superior reliability are needed. With ratings from 15-1000 amperes, a wide range of high voltage applications can be served. Watts Loss @ Rated Current (W) 3.4 5.9 9 12.8 7.3 8.3 11 13 14 18 23 28 36 40 46 55 65 70 90 110 120 125 140 190 Features/Benefits • • Low I2t minimizes damage to protected components on short-circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Specifications Voltage Rating AC: 1000 V DC: 750 V Interrupting Rating 100 kA Ampere Range 15 – 1000 A Approvals UL Recognized Web Resources For additional information, visit: littelfuse.com/la100p Dimensions Figure 1 Figure 2 Figure 3 Figure 4 Dimensions for reference only. Figure Amperes Mounting Type No. 15 – 30 35 – 60 65 – 100 125 – 200 225 – 400 500 – 600 650 – 800 1000 1 4 4 4 4 4 4 4 1 2 2 2 2 2 3 4 A 2.53 (66.8) 5.00 (127) 5.00 (127) 5.72 (145) 5.72 (145) 7.72 (196) 7.44 (189) 8.22 (209) B 0.56 (14.2) 1.00 (25.4) 1.22 (31) 1.50 (38.1) 2.00 (50.8) 2.50 (63.5) 2.88 (73.2) 3.50 (88.9) C Dimensions Inches (mm) D E F G H J – – – – – – – 3.50 (88.9) 3.50 (88.9) 3.47 (88.1) 3.47 (88.1) 3.47 (88.1) 3.94 (100) 4.47 (114) 4.31 (109) 4.31 (109) 4.78 (121) 4.78 (121) 5.88 (149) 5.94 (151) 6.59 (167) 4.19 (106) 4.19 (106) 4.16 (106) 4.16 (106) 5.56 (147) 0.31 (7.9) 0.31 (7.9) 0.41 (10.4) 0.41 (10.4) 0.53 (13.5) 0.63 (16) 0.63 (16) 0.75 (19.1) 1.00 (25.4) 1.00 (25.4) 1.50 (25.4) 2.00 (50.8) 2.00 (50.8) 2.75 (69.9) 0.13 (3.3) 0.19 (4.8) 0.25 (6.4) 0.25 (6.4) 0.38 (9.7) 0.38 (9.7) 0.50 (12.7) – – 5.84 (148) – – – – 0.31 (7.9) 1.38 (35.1) Optional Trigger Indicator (TI) for 50 A - 1000 A available Contact Littelfuse for characteristic curves. 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