NH DIN Dual Indication Fuse Links NH Class aM, 500 & 690Vac, 6 to 630 Amps, Sizes 000 to 3 Standards/Approvals IEC 60269, DIN 43620 Part 1 and 3 l Operation Class: aM Fuse Holders l Fuse bases: SB*-D single-pole, TB*-D three-pole l Fuse rails - vertical: BFR l Fuse switch disconnectors vertical: BFD l Fuse switch disconnectors horizontal: BFH 00 0 1 2 3 23-04-09 a1 a2 (max) 78.5±1.5 54 125±2.5 135±2.5 150±2.5 150±2.5 All fuse links are packed in 3’s Features l Reliable dual indicator system Dimensions - mm 78.5±1.5 Packaging Environmental l 100% recyclable (including packaging) l RoHS compliant l Cadmium and lead free for sizes 000 to 3 * Select required size of fuse base 000 Cooper Bussmann® aM fuse links have partial range breaking capacity and must be used in conjunction with a low overload protection device such as a motor protection relay. Technical Data l Size: 000 to 3 l Rated voltage: 500 and 690Vac l Amps: 6 to 630A l Rated breaking capacity: 120kA l Operating frequency: 45-62Hz l Design material - Steatite insulator - Corrosion-resistant aluminium end plates - Corrosion-resistant plated steel screws l Contact blade: Full contact silver plated copper blades Catalogue Symbol l 500V: (amp)NHM(Size)B l 690V: (amp)NHM(Size)B-690 Size Description a3 a4 b c1 c2 d e1 (max) e2 (max) e3 (max) e4 f (max) 2±0.5 48 30 25 6 15 6 15 54 45±1.5 49±1.5 15 35 10 2±0.5 68 62+3/-1.5 68+1.5/-3 15 35 11 2.5±0.5 75 62±2.5 68±2.5 11 2.5±0.5 75 75 SB-SB09368 45±1.5 62±2.5 62±2.5 49±1.5 68±2.5 68±2.5 15 20 25 32 Form No.NHaM 35 40 48 60 11 11 11 2.5±0.5 3±0.5 Page 1 of 3 41 48 53 61 75 21 30 52 60 70 Data Sheet 720112 16 25 25 25 25 6 6 6 6 8 15 15 18 NH DIN Dual Indication Fuse Links NH Class aM, 500 & 690Vac, 6 to 630 Amps, Size 000 to 3 Technical Data Part Number Fuse Size Amp Rating Voltage Rating I2t Pre-arcing Total Clearing at 500V Total Clearing at 690V Watts Loss 6NHM000B-690 6 71 - 360 0.33 10NHM000B-690 10 175 - 700 0.52 16NHM000B-690 16 520 - 2000 0.81 20NHM000B-690 20 790 - 3000 0.92 1000 - 4000 1.08 25NHM000B-690 000 25 690Vac 32NHM000B-690 32 1700 - 6800 1.42 35NHM000B-690 35 2450 - 9100 1.58 40NHM000B-690 40 3500 - 13500 1.68 50NHM00B 50 5000 14000 - 2.28 63NHM00B 63 8800 24000 - 2.90 10500 30100 - 4.19 - 5.09 80NHM00B 00 80 500Vac 100NHM00B 100 17000 49000 160NHM00B 160 38000 100000 - 7.73 6NHM0B-690 6 71 - 360 0.42 10NHM0B-690 10 175 - 700 0.67 16NHM0B-690 16 520 - 2000 0.98 20NHM0B 20 790 2100 - 1.04 32NHM0B 32 1750 4900 - 1.67 50NHM0B 50 5000 14000 - 2.51 63NHM0B 63 8800 24000 - 3.35 80NHM0B 80 10500 30100 - 4.93 100NHM0B 100 17000 49000 - 5.72 63NHM1B 63 8800 24000 - 3.20 80NHM1B 80 10500 30100 - 4.60 100NHM1B 100 17000 49000 - 5.70 25000 70000 - 6.98 125NHM1B 0 1 125 690Vac 500Vac 500Vac 160NHM1B 160 38000 100000 - 9.20 200NHM1B 200 51000 150000 - 13.70 250NHM1B 250 79000 210000 - 15.30 125NHM2B-690 125 25000 - 96000 7.60 160NHM2B-690 160 38000 - 145000 9.70 200NHM2B-690 200 51000 - 200000 13.90 79000 - 300000 17.00 115000 - 450000 26.00 165000 - 650000 25.20 250000 710000 - 29.30 250NHM2B-690 2 250 690Vac 315NHM2B-690 315 355NHM2B-690 355 400NHM2B 400 315NHM3B-690 315 110000 - 450000 20.60 355NHM3B-690 355 160000 - 650000 23.90 250000 - 980000 26.50 550000 - 2000000 35.80 800000 2300000 - 56.90 400NHM3B-690 3 400 500NHM3B-690 500 630NHM3B 630 23-04-09 SB-SB09368 500Vac 690Vac 500Vac Form No.NHaM Page 2 of 3 Data Sheet 720112 Net Weight per Fuse 0.133kg 0.200kg 0.245kg 0.409kg 0.647kg 1.113kg NH DIN Dual Indication Fuse Links NH Class aM, 500 & 690Vac, 6 to 630 Amps, Size 000 to 3 Time-Current Characteristics (Amps) Cut-Off Current (kA Peak) Cut-Off Current Characteristics Prospective Current (RMS kA) 23-04-09 SB-SB09368 Form No.NHaM Page 3 of 3 Data Sheet 720112