Cut Sheet

V1-T4-132 Volume 1—Residential and Light Commercial CA08100002E—August 2015 www.eaton.com
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4.10
Metering Products
Group Metering
37MM
Each socket is a 7 terminal
block with lever bypass and
jaw release
Ringless covers
Provision for three-pole
main tenant breakers
(circuit breakers not
included). For circuit
breaker catalog numbers,
refer to Page V1-T4-136
Indoor/outdoor
construction
Main tenant breakers can
exit top, bottom or back
If being used in outdoor
application and exiting the
top, mount Myer type hubs
on rainproof cap
Short-circuit ratings up to
100 A rms symmetrical
depending upon the kAIC
rating of installed main
tenant circuit breakers
and main device
Non-EUSERC areas
37MM—Three-Phase Commercial Meter Stack Modules (Three-Phase In, Three-Phase Out)
Notes
1
If a socket in a 37MM meter stack module needs to be single-phase, order 37MM1CK. This will convert the three-phase socket to single-phase.
2
Retrofit tenant circuit breaker mounting kit (37MMRCBK) for installation of Type EHD and CV breakers. Needed only for stacks manufactured prior to February 2013. Order one kit per breaker.
3
320 A continuous rated socket with provisions for two main tenant breakers.
4
Unit is bottom exit only.
5
Rated at 100 kAIC.
6
Rated at 25 kAIC.
7
Rated at 35 kAIC.
System
Voltage
Ampere Rating
Per Meter Socket
Number
of Meter
Sockets
Horizontal
Bus
Ampacity/
Material
Number of
Jaws Per
Meter Socket
1
Main Tenant
Breaker Type
2
(Page V1-T4-136)
Catalog
Number
208Y/120 V, three-phase, four-wire
240/120 V, three-phase, four-wire delta
(B-phase is high leg)
225 1 1200 Al 7 Bolt-on type
EHD3_
CC3_X
CVS3_X
CV3_X
CVH3_X
37MM120R12
1 1200 Cu 7 37MM120R12C
2 1200 Al 7 37MM220R12
2 1200 Cu 7 37MM220R12C
3 1200 Al 7 37MM320R12
3 1200 Cu 7 37MM320R12C
4 1200 Al 7 37MM420R12
4 1200 Cu 7 37MM420R12C
400 1 1200 Al 7 Bolt-on type
EHD3_
CC3_X
CVS3_X
CV3_X
CVH3_X
37MM140R12
3
1 1200 Cu 7 37MM140R12C
3
400 1 1200 Al 7 400 A
K-Frame included
37MM140R1240
4
1 1200 Cu 7 37MM140R1240C
4
400 1 1200 Al 7 400 A
K-Frame included
37MM140HR1240
5
1 1200 Cu 7 37MM140HR1240C
5
400 2 1200 Al 7 400 A
K-Frame included
37MM240R1240
2 1200 Cu 7 37MM240R1240C
400 continuous 1 1200 Cu 7 400 A
L-Frame included
37MM140R1240KC
6
400 continuous 1 1200 Cu 7 400 A
L-Frame included
37MM140HR1240KC
7