Bussmann HM25030-2PR Data Sheet

Effective December 2015

BUSSMAN N

SERIES

Technical Data 10289

Supersedes November 2014

Class H(K), J and R modular ferrule fuse blocks

Features and benefits:

•

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.

•

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
multiple features that increase versatility,
reduce labor and enhance safety for any panel
or electrical system design.

series fuse blocks contain

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

Specications

Ratings:

•

Volts 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:

•

UL® Listed E14853 - IZLT

•

CSA® Certified 47235-6225-01

•

CE

•

RoHS Compliant

•

Conflict mineral free

•

REACH declaration available upon request

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:

•

Blocks — UL 94V0, self-extinguishing

•

Covers — UL 94HB, self-extinguishing

Operating and storage temperature range:

•

Blocks -40°C to +120°C

•

Non-Indicating covers -40°C to +120°C

•

Indicating covers -20°C to +90°C*

* Indication requires minimum 90Vac/dc and closed circuit to illuminate.

Recommended Bussmann series fuses:

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

Class R

•

Ultimate protection Low-Peak LPN 250V time-delay,
data sheet No. 1003

•

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

Recommended Bussmann series DIN-Rail end stops:

•

Part No. BRKT-ND

•

Part No. BRKT-NDSCREW2

Marker labels:

•

Use Bussmann series part number TM26CB

Materials:

•

Base — Thermoplastic

•

Terminals — Tin-plated copper brass

•

Covers — Thermoplastic

Table 1. Terminals, conductors and torque values

Torque

Terminal type AWG type/range

AWG Lb-in (N•m)

2-3;

Box Lug (“CR” Option) 75°C Cu 2-14, AL 2-8

4-6;

8;

10-14;

All other terminals* 75/90°C Cu 10-18 10-18; 20 (2.3)

* 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings.

2

50 (5.6)
45 (5.1)
40 (4.5)
35 (4.0)

Technical Data 10289

Class H(K), J and R ferrule fuse blocks

Effective December 2015

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
HM25030-2CR HM25030-2SR HM25030-2QR HM25030-2PR 2
HM25030-3CR HM25030-3SR HM25030-3QR HM25030-3PR 3
HM25060-1CR — — —

250

HM25060-2CR — — — 2

HM25060-3CR — — — 3
HM60030-1CR HM60030-1SR — HM60030-1PR
HM60030-2CR HM60030-2SR — HM60030-2PR 2
HM60030-3CR HM60030-3SR — HM60030-3PR 3
HM60060-1CR — — —

600

HM60060-2CR — — — 2
HM60060-3CR — — — 3

* 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings.

Table 3. Class H block covers

Catalog numbers

Fuse block series Volts Amp range

HM25030-#XX
HM25060-#XX 31 to 60 CVRI-RH-25060 CVR-RH-25060
HM60030-#XX
HM60060-#XX 31 to 60 CVRI-RH-60060 CVR-RH-60060

# = number of poles

XX = terminal type

1/2 to 30 CVRI-RH-25030 CVR-RH-25030

250

1/2 to 30 CVRI-RH-60030 CVR-RH-60030

600

Indicating Non-indicating

1/2 to 30

31 to 60

1/2 to 30

31 to 60

1

1

1

1

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
RM25030-2CR RM25030-2SR RM25030-2QR RM25030-2PR 2
RM25030-3CR RM25030-3SR RM25030-3QR RM25030-3PR 3
RM25060-1CR — — —

250

RM25060-2CR — — — 2

1/2 to 30

31 to 60
RM25060-3CR — — — 3
RM60030-1CR RM60030-1SR — RM60030-1PR
RM60030-2CR RM60030-2SR — RM60030-2PR 2
RM60030-3CR RM60030-3SR — RM60030-3PR 3
RM60060-1CR — — —

600

RM60060-2CR — — — 2

1/2 to 30

31 to 60
RM60060-3CR — — — 3

* 3/16“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings.

Table 5. Class R block covers

Catalog numbers

Fuse block series Volts Amp range

RM25030-#XX
RM25060-#XX 31 to 60 CVRI-RH-25060 CVR-RH-25060

RM60030-#XX
RM60060-#XX 31 to 60 CVRI-RH-60060 CVR-RH-60060

# = number of poles

XX = terminal type

1/2 to 30 CVRI-RH-25030 CVR-RH-25030

250

1/2 to 30 CVRI-RH-60030 CVR-RH-60030

600

Indicating Non-indicating

1

1

1

1

3

Technical Data 10289

Class H(K), J and R ferrule fuse blocks

50

75

26

36

Effective December 2015

Dimensions - mm (in):

Class H(K) and R 250V - 30A block

99

3.9

45

1.8

With cover.
See tables 3 and 5 for available covers.

51

2.0

1.4

50

2.0

15

.6

80

3.2

1.0

25

1.0

R3

.1

13

25

1.0

2.0

2.9

5

.2

.5

49

1.9

74

2.9

Class H(K) and R 250V - 60A block

7

.3

Ø6

.2

69

2.7

58

2.3

34

1.3

108

4.2

35

1.4

4

.2

3

.1

34

1.3

47

1.8

68

2.7

19

.7

32

1.2

103

4.1

102

4.0

135

5.3

With cover.
See tables 3 and
5 for available
covers.

4

Class H(K), J and R ferrule fuse blocks

30

Dimensions - mm (in):

Class H(K) and R 600V - 30A block

1.2

Ø7

.28

59

2.3

Technical Data 10289

Effective December 2015

88

3.5

.28

Ø7

.16

4

183

7.2

With cover.
See tables 3 and 5 for available covers.

Class H(K) and R 600V - 60A block

Ø7

.3

8

.3

172

[6.8]

3

5

.1

.2

159

6.25

80

3.13

.08

2

.08

31

1.2

16

.61

2.4

58

2.3

60

29

1.2

82

202

3.2

[8.0]

2

3.5

90

39

1.6

38

1.5

54

2.1

66

2.6

77

3.0

38

1.5

116

4.6

115

4.5

17

.7

With cover.
See tables 3 and
5 for available
covers.

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

Volts Fuse amp range PolesBox lug #10-32 Phil-slot screw Pressure plate

JM60030-1CR JM60030-1SR JM60030-1PR
JM60030-2CR JM60030-2SR JM60030-2PR 2
JM60030-3CR JM60030-3SR JM60030-3PR 3
JM60060-1CR — —
JM60060-2CR — — 2
JM60060-3CR — — 3

600

Table 7. Class J block covers

Catalog numbers

Fuse block series Volts Amp range

JM60030-#XX
JM60060-#XX 31 to 60 CVRI-J-60060 CVR-J-60060

# = number of poles

XX = terminal type

600

1/2 to 30 CVRI-J-60030 CVR-J-60030

Indicating Non-indicating

1/2 to 30

31 to 60

1

1

6

Class H(K), J and R ferrule fuse blocks

28

55

Dimensions - mm (in):

Class J - 30A block

Technical Data 10289

Effective December 2015

With cover.
See table 7 for available covers.

Class J - 60A block

110

4.3

1.1

12

87

3.4

.5

R3

.1

2.2

3.3

28

83

46

29

1.1

17

.7

58

2.3

1.1
56

2.2

84

3.3

1.8

119

4.7

With cover.
See table 7 for available covers.

53

2.1

94

3.7

18

.7

39

1.5

65

2.6

R3

.1

5

.2

38

1.5

7

.3

18

.7

38

1.5

77

3.0

75

3.0

114

4.5

113

4.5

7

Technical Data 10289

Class H(K), J and R ferrule fuse blocks

Closing cover: P
over block and push straight
down until it snaps/clicks
into plac

Opening cover: Using both outside

Effective December 2015

Installing/removing covers

osition cover

e.

Installing blocks on DIN-Rail

handles, pull straight up.

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.