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Technical Data 10289
Effective December 2015
Class H(K), J and R ferrule fuse blocks
Eaton.com/bussmannseries
Table 2. Class H fuse block catalog numbers
Terminal type
Volts Fuse amp range PolesBox lug #10-32 Phil-slot screw Screw with quick-connect* Pressure plate
HM25030-1CR HM25030-1SR HM25030-1QR HM25030-1PR
250
1/2 to 30
1
HM25030-2CR HM25030-2SR HM25030-2QR HM25030-2PR 2
HM25030-3CR HM25030-3SR HM25030-3QR HM25030-3PR 3
HM25060-1CR — — —
31 to 60
1
HM25060-2CR — — — 2
HM25060-3CR — — — 3
HM60030-1CR HM60030-1SR — HM60030-1PR
600
1/2 to 30
1
HM60030-2CR HM60030-2SR — HM60030-2PR 2
HM60030-3CR HM60030-3SR — HM60030-3PR 3
HM60060-1CR — — —
31 to 60
1
HM60060-2CR — — — 2
HM60060-3CR — — — 3
* 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings.
Table 4. Class R fuse block catalog numbers
Terminal type
Volts Fuse amp range PolesBox lug #10-32 Phil-slot screw Screw with quick-connect Pressure plate
RM25030-1CR RM25030-1SR RM25030-1QR RM25030-1PR
250
1/2 to 30
1
RM25030-2CR RM25030-2SR RM25030-2QR RM25030-2PR 2
RM25030-3CR RM25030-3SR RM25030-3QR RM25030-3PR 3
RM25060-1CR — — —
31 to 60
1
RM25060-2CR — — — 2
RM25060-3CR — — — 3
RM60030-1CR RM60030-1SR — RM60030-1PR
600
1/2 to 30
1
RM60030-2CR RM60030-2SR — RM60030-2PR 2
RM60030-3CR RM60030-3SR — RM60030-3PR 3
RM60060-1CR — — —
31 to 60
1
RM60060-2CR — — — 2
RM60060-3CR — — — 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 Volts Amp range
Catalog numbers
Indicating Non-indicating
HM25030-#XX
250
1/2 to 30 CVRI-RH-25030 CVR-RH-25030
HM25060-#XX 31 to 60 CVRI-RH-25060 CVR-RH-25060
HM60030-#XX
600
1/2 to 30 CVRI-RH-60030 CVR-RH-60030
HM60060-#XX 31 to 60 CVRI-RH-60060 CVR-RH-60060
# = number of poles
XX = terminal type
Table 5. Class R block covers
Fuse block series Volts Amp range
Catalog numbers
Indicating Non-indicating
RM25030-#XX
250
1/2 to 30 CVRI-RH-25030 CVR-RH-25030
RM25060-#XX 31 to 60 CVRI-RH-25060 CVR-RH-25060
RM60030-#XX
600
1/2 to 30 CVRI-RH-60030 CVR-RH-60030
RM60060-#XX 31 to 60 CVRI-RH-60060 CVR-RH-60060
# = number of poles
XX = terminal type