Technical Data 10289 Effective December 2015 Supersedes November 2014 BUSSMANN SERIES Class H(K), J and R modular ferrule fuse blocks Features and benefits: Product description: HM Class H(K) JM Class J and RM Class R modular ferrule fuse blocks for fuses up to 60 amps. The new Bussmann® series fuse blocks contain multiple features that increase versatility, reduce labor and enhance safety for any panel or electrical system design. • Available in 1-, 2-, and 3-pole configurations to meet stocking requirements. • To reduce inventory, assembly time and labor, modular single-pole blocks snaptogether for tool-less assembly of multiple poles at point of use. • DIN-Rail and panel mount versatility allows one product to be used for multiple applications with lower inventory cost. • Save panel space with the smallest width dimension on the market. • Optional see-through, IP20 finger-safe covers enhance safety with lock-out/tag-out capability. • Optional open fuse indication on covers speeds troubleshooting. • Easy circuit identification with available universal marker labels for blocks and covers. Technical Data 10289 Class H(K), J and R ferrule fuse blocks Effective December 2015 Specifications Ratings: Volts • Recommended Bussmann series fuses: Class H 250V, 600V Class J 600V Class R 250V, 600V • Amps up to 60A • Withstand Class J and R 200kA RMS Sym Class H(K) 10kA RMS Sym Agency information: Blocks: Class H(K) • Basic protection general purpose 250V NON, data sheet No. 1030 • Basic protection general purpose 600V NOS, data sheet No. 1030 Class J • Ultimate protection Low-Peak™ LPJ time-delay fuses, data sheet No. 1006 • Advanced protection Limitron™ JKS fast-acting fuses, data sheet No. 1026 • UL® Listed E14853 - IZLT • CSA® Certified 47235-6225-01 • CE Class R • RoHS Compliant • • Conflict mineral free Ultimate protection Low-Peak LPN 250V time-delay, data sheet No. 1003 • REACH declaration available upon request • Ultimate protection Low-Peak LPS 600V time-delay, data sheet No. 1001 • Advanced protection Limitron KTN-R 250V fast-acting, data sheet No. 1043 • Advanced protection Limitron KTS-R 600V fast-acting, data sheet No. 1044 • Advanced protection energy efficient Fusetron™ FRN 250V time-delay, data sheet No. 1019 • Advanced protection energy efficient Fusetron FRS, 600V time-delay, data sheet No. 1017 Covers: • UL Listed E58836 - JDVS • CSA Certified 47235-6225-01 • RoHS Compliant • REACH declaration available upon request Poles: • 1-, 2-, 3-pole units factory assembled • Single-pole units snap together to create desired number of poles Flammability ratings: Recommended Bussmann series DIN-Rail end stops: • Part No. BRKT-ND • Part No. BRKT-NDSCREW2 • Blocks — UL 94V0, self-extinguishing Marker labels: • Covers — UL 94HB, self-extinguishing • Use Bussmann series part number TM26CB Operating and storage temperature range: • Blocks • Non-Indicating covers -40°C to +120°C • Indicating covers -40°C to +120°C -20°C to +90°C* * Indication requires minimum 90Vac/dc and closed circuit to illuminate. Materials: • Base — Thermoplastic • Terminals — Tin-plated copper brass • Covers — Thermoplastic Table 1. Terminals, conductors and torque values Torque Terminal type AWG type/range Box Lug (“CR” Option) All other terminals* 75°C Cu 2-14, AL 2-8 75/90°C Cu 10-18 AWG 2-3; 4-6; 8; 10-14; 10-18; * 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings. 2 Eaton.com/bussmannseries Lb-in (N•m) 50 (5.6) 45 (5.1) 40 (4.5) 35 (4.0) 20 (2.3) Class H(K), J and R ferrule fuse blocks Technical Data 10289 Effective December 2015 Table 2. Class H fuse block catalog numbers Box lug HM25030-1CR HM25030-2CR HM25030-3CR HM25060-1CR HM25060-2CR #10-32 Phil-slot screw HM25030-1SR HM25030-2SR HM25030-3SR — — HM25060-3CR HM60030-1CR HM60030-2CR HM60030-3CR HM60060-1CR HM60060-2CR HM60060-3CR — HM60030-1SR HM60030-2SR HM60030-3SR — — — Terminal type Screw with quick-connect* HM25030-1QR HM25030-2QR HM25030-3QR — — — — — — — — — Pressure plate HM25030-1PR HM25030-2PR HM25030-3PR — — — HM60030-1PR HM60030-2PR HM60030-3PR — — — Volts Fuse amp range 1/2 to 30 250 31 to 60 1/2 to 30 600 31 to 60 Poles 1 2 3 1 2 3 1 2 3 1 2 3 * 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings. Table 3. Class H block covers Fuse block series HM25030-#XX HM25060-#XX HM60030-#XX HM60060-#XX Volts 250 600 Amp range 1/2 to 30 31 to 60 1/2 to 30 31 to 60 Indicating CVRI-RH-25030 CVRI-RH-25060 CVRI-RH-60030 CVRI-RH-60060 Catalog numbers Non-indicating CVR-RH-25030 CVR-RH-25060 CVR-RH-60030 CVR-RH-60060 # = number of poles XX = terminal type Table 4. Class R fuse block catalog numbers Box lug RM25030-1CR RM25030-2CR RM25030-3CR RM25060-1CR RM25060-2CR RM25060-3CR RM60030-1CR RM60030-2CR RM60030-3CR RM60060-1CR RM60060-2CR RM60060-3CR #10-32 Phil-slot screw RM25030-1SR RM25030-2SR RM25030-3SR — — — RM60030-1SR RM60030-2SR RM60030-3SR — — — Terminal type Screw with quick-connect RM25030-1QR RM25030-2QR RM25030-3QR — — — — — — — — — Pressure plate RM25030-1PR RM25030-2PR RM25030-3PR — — — RM60030-1PR RM60030-2PR RM60030-3PR — — — Volts Fuse amp range 1/2 to 30 250 31 to 60 1/2 to 30 600 31 to 60 Poles 1 2 3 1 2 3 1 2 3 1 2 3 * 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings. Table 5. Class R block covers Fuse block series RM25030-#XX RM25060-#XX RM60030-#XX RM60060-#XX Volts 250 600 Amp range 1/2 to 30 31 to 60 Catalog numbers Indicating Non-indicating CVRI-RH-25030 CVR-RH-25030 CVRI-RH-25060 CVR-RH-25060 1/2 to 30 31 to 60 CVRI-RH-60030 CVRI-RH-60060 CVR-RH-60030 CVR-RH-60060 # = number of poles XX = terminal type Eaton.com/bussmannseries 3 Technical Data 10289 Class H(K), J and R ferrule fuse blocks Effective December 2015 Dimensions - mm (in): Class H(K) and R 250V - 30A block 36 1.4 50 2.0 26 1.0 75 2.9 R3 .1 99 3.9 5 .2 80 3.2 50 2.0 51 2.0 45 1.8 25 1.0 13 .5 49 1.9 74 2.9 15 .6 25 1.0 With cover. See tables 3 and 5 for available covers. Class H(K) and R 250V - 60A block 108 4.2 7 .3 4 .2 3 .1 35 1.4 32 1.2 Ø6 .2 69 2.7 34 1.3 68 2.7 103 4.1 135 5.3 102 4.0 47 1.8 With cover. See tables 3 and 5 for available covers. 58 2.3 34 1.3 4 Eaton.com/bussmannseries 19 .7 Class H(K), J and R ferrule fuse blocks Technical Data 10289 Effective December 2015 Dimensions - mm (in): Class H(K) and R 600V - 30A block 30 1.2 88 3.5 59 2.3 Ø7 .28 Ø7 .28 4 .16 183 7.2 80 3.13 159 6.25 2 .08 2 .08 31 1.2 90 3.5 60 2.4 29 1.2 16 .61 58 2.3 With cover. See tables 3 and 5 for available covers. Class H(K) and R 600V - 60A block Ø7 .3 8 .3 3 .1 5 .2 39 1.6 77 3.0 38 1.5 54 2.1 82 3.2 172 [6.8] 66 2.6 116 4.6 17 .7 202 [8.0] 115 4.5 With cover. See tables 3 and 5 for available covers. 38 1.5 Eaton.com/bussmannseries 5 Technical Data 10289 Class H(K), J and R ferrule fuse blocks Effective December 2015 Table 6. Class J fuse block catalog numbers Terminal type #10-32 Phil-slot screw JM60030-1SR JM60030-2SR JM60030-3SR — — — Box lug JM60030-1CR JM60030-2CR JM60030-3CR JM60060-1CR JM60060-2CR JM60060-3CR Pressure plate JM60030-1PR JM60030-2PR JM60030-3PR — — — Volts Fuse amp range 1/2 to 30 600 31 to 60 Table 7. Class J block covers Fuse block series JM60030-#XX JM60060-#XX Volts 600 Amp range 1/2 to 30 31 to 60 # = number of poles XX = terminal type 6 Eaton.com/bussmannseries Catalog numbers Indicating CVRI-J-60030 CVRI-J-60060 Non-indicating CVR-J-60030 CVR-J-60060 Poles 1 2 3 1 2 3 Class H(K), J and R ferrule fuse blocks Technical Data 10289 Effective December 2015 Dimensions - mm (in): Class J - 30A block 28 1.1 110 4.3 28 1.1 29 1.1 17 .7 46 1.8 83 3.3 56 2.2 84 3.3 R3 .1 12 .5 87 3.4 55 2.2 58 2.3 With cover. See table 7 for available covers. Class J - 60A block 77 3.0 39 1.5 R3 .1 7 .3 119 4.7 94 3.7 5 .2 18 .7 38 1.5 38 1.5 53 2.1 18 .7 114 4.5 75 3.0 113 4.5 65 2.6 With cover. See table 7 for available covers. Eaton.com/bussmannseries 7 Technical Data 10289 Class H(K), J and R ferrule fuse blocks Effective December 2015 Installing/removing covers Closing cover: Position cover over block and push straight down until it snaps/clicks into place. Opening cover: Using both outside handles, pull straight up. Installing blocks on DIN-Rail Place one edge of DIN-Rail in fuse block base, then rotate block down until it clicks into place. The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2015 Eaton All Rights Reserved Printed in USA Publication No. 10289 - BU-SB14607 December 2015 8 Eaton.com/bussmannseries Eato, Bussmann, Fusetron, Limitron and Low-Peak are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. CSA is a registered trademark of the Canadian Standards Group. UL is a registered trademark of Underwriters Laboratories, Inc. For Eaton’s Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries Follow us on social media to get the latest product and support information.