Technical Data 10241 Effective January 2019
Supersedes December 2015
Description:
BCM (Class CC) and BMM (supplemental 13/32
x 1-1/2” /10x38) modular style fuse blocks with
optional covers.
These Bussmann series fuse blocks contain
multiple features to add versatility, reduce labor
and enhance safety of any panel design.
Specifications
Ratings:
• Volts 600 Vac/dc
• Amps up to 30A
• SCCR up to 200kA (limited by fuse interrupting
rating)
Agency information:
• Class CC BCM Series
• UL Listed File E14853, Guide IZLT
• CSA Certified 47235-6225-01
• CE
• RoHS Compliant
• 13/32” x 1-1/2” (Midget) BMM Series
• UL Recognized File E14853, Guide IZLT2
• CSA Certified 47235-6225-01
• CE
• RoHS Compliant
• Covers
• Covers are included in the overall UL Listing/
Recognition and CSA Certification
• IP20 finger-safe
• RoHS Compliant
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
Features and benefits:
• Available in 1-, 2- and 3-pole configurations to
meet stocking requirements.
• Blocks are fully modular with a snap-together
design that provides tool-less assembly of
multiple pole blocks at point-of-use to reduce
inventory and save assembly time and labor.
• DIN-Rail and panel mount versatility allows one
product to be used for multiple applications,
lowering inventory cost.
• Compact footprint consumes minimal panel
space.
• Optional see-through cover enhances safety
with IP20 finger-safe protection, lockout/tagout
capability and open circuit indication.
• Easy circuit identification with available universal
marker labels for fuse block covers.
• Tin-plated bimetallic copper fuse clips deliver
superior fatigue resistance compared to
traditional spring brass.
• Terminal options to meet application needs
including 1/4” spade quick connect terminals for
faster panel assembly.
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.
Class CC and supplemental modular ferrule fuse blocks
2
Technical Data 10241
Effective Janaury 2019
BCM and BMM modular
Class CC and supplemental ferrule fuse blocks
EATON www.eaton.com
Table 1. Terminal specifications
Terminal type
75/90°C
AWG type/
range
Torque
AWG lb-in (N•m)
Box lug (C) CU 2-14
AL 2-8
CU 2-3
CU 4-6
CU 8-14
AL 2-6
AL 8
50 (5.6)
45 (5.1)
35 (4.0)
50 (5.6)
40 (4.5)
Screw (S)
CU 10-18 10-18 20 (2.3)
Screw/quick connect* (SQ)
Pressure plate (P)
Pressure plate/
quick connect* (PQ)
* ¼“ Quick Connect terminal maximum ampacity dependent on female spade connector
and wire ratings.
Table 3. Catalog numbers
Terminal type
Poles Fuse class
#10-32
Phil-slot screw
Screw with
quick connect* Pressure plate
Pressure plate with
quick connect* Box lug
BCM603-1S BCM603-1SQ BCM603-1P BCM603-1PQ BCM603-1C 1 CC
BCM603-2S BCM603-2SQ BCM603-2P BCM603-2PQ BCM603-2C 2 CC
BCM603-3S BCM603-3SQ BCM603-3P BCM603-3PQ BCM603-3C 3 CC
BMM603-1SQ BMM603-1PQ BMM603-1C 1 10x38 (13/32”x1-1/2”)
BMM603-2SQ BMM603-2PQ BMM603-2C 2 10x38 (13/32”x1-1/2”)
BMM603-3SQ BMM603-3PQ BMM603-3C 3 10x38 (13/32”x1-1/2”)
BCCMM603-3SQ BCCMM603-3PQ 3 3-Pole control circuit transformer block
2-pole CC with 1-pole 10x38 (13/32”x1-½”)
* ¼“ Quick Connect terminal maximum ampacity dependent on female spade connector and wire ratings.
Materials:
• Base — Thermoplastic
• Terminals — Tin-plated bimetallic copper
• Covers — Thermoplastic
• Screws and pressure plates — Zinc-plated steel
Cover catalog numbers:
• For blocks with quick connect terminals — CVR(I)-CCM-QC
• All other terminal options — CVR(I)-CCM
Recommended Bussmann series fuses:
• Class CC
• Ultimate protection time-delay Low-Peak LP-CC,
data sheet No. 1023
• Advanced protection time-delay Limitron FNQ-R,
data sheet No. 1014
• Advanced protection fast-acting Limitron KTK-R,
data sheet No. 1015
• 13/32” x 1-1/2” (midget)
• Fast-acting 250Vac BAF, data sheet No. 2011
• Fast-acting 600Vac KTK, data sheet No. 1011
• Fast-acting 600Vac/dc KLM, data sheet No. 2020
• Time-delay 250Vac FNM, data sheet No. 2028
• Time-delay 500Vac FNQ, data sheet No. 1012
• 10x38mm (IEC)
• Class aM and gG/gL IEC industrial fuses, data sheet No. 720115
Recommended Bussmann series DIN-Rail end stops:
• Cat. no. BRKT-ND
• Cat. no. BRKT-NDSCREW2
Table 2. Recommended covers*
Terminal type
Cover catalog numbers
Indicating Non indicating
Box lug (C) CVRI-CCM CVR-CCM
Screw (S) CVRI-CCM CVR-CCM
Screw/quick connect (SQ) CVRI-CCM-QC CVR-CCM-QC
Pressure plate (P) CVRI-CCM CVR-CCM
Pressure plate/quick connect (PQ) CVRI-CCM-QC CVR-CCM-QC
* For use with 4AWG max conductors.
BCM and BMM modular
Class CC and supplemental ferrule fuse blocks
Technical Data 10241
Effective January 2019
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann 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. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue
or limit distribution of any products. Bussmann 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’s Bussmann Business
114 Old State Road
Ellisville, MO 63021
United States
www.bussmann.com
© 2019 Eaton
All Rights Reserved
Publication No. 10241 - BU-SB14605
Janaury 2019
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
Follow us on social media to get the
latest product and support information.
For Eatons Bussmann series
product information,
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
Dimensions - mm (in)
77
3.0
21
.8
20
.8
20
.8
40
1.6
39
1.6 59
2.3
60
2.4
95
3.7
41
1.6
33
1.3
16
.6 33
1.3
4
.2
10
.4
With cover.
See Table 3 for available covers.
BMM603-3C with
CVRI-CCM covers and
TM26CB marker labels