Cut Sheet

Volume 1—Residential and Light Commercial CA08100002E—August 2015 www.eaton.com V1-T4-147
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4.10
Metering Products
Group Metering
General
When tenant breakers are installed in Eaton’s metering
modules per the short-circuit current ratings below, the
branch breakers installed in downstream panel rated 10 kAIC or
greater are protected to the listed series AIC rating. Refer to the
downstream panel marking for the proper series combination
short-circuit ratings. These ratings apply to both loadcenter
Types BR and CH.
The short-circuit rating is limited to the lowest interrupting
rating of any tenant breaker installed or to the lowest marked
interrupting rating of the main switch, main breaker or main
lug modules.
Replacement or additional breakers shall be of the same type
and manufacturer, and shall have an interrupting rating equal
to or greater than the interrupting rating of any tenant breaker
presently installed in the meter module.
1MM, 3MM 125 A Meter Module
When used with main switch, main breaker or main lug
modules, this meter module is UL listed for the short-circuit
rating at 240 Vac maximum in rms symmetrical amperes per
table below.
1MM, 3MM 125 A Meter Module
When Type BRX, BRHH or BRH tenant breakers are installed in
this meter module, then breakers rated 10 kAIC or greater
installed on the load side of this meter module may be protected
for short circuits up to 22 kAIC with Type BRH breakers, 42 kAIC
with Type BRHH or 65 kAIC with Type BRX breakers.
See load side breaker panel marking for proper short-circuit
current rating.
1MM, 3MM 125 A Meter Module
1MM, 3MM, 200 A Meter Modules; 35MM, 37MM, 35SS and 37SS 225 A
Meter Modules
When used with main switch, main breaker or main lug
modules, these meter modules are UL listed for the short-circuit
rating at 240 Vac maximum in rms symmetrical amperes per
table below.
1MM, 3MM, 200 A Meter Modules; 35MM, 37MM, 35SS and
37SS 225 A Meter Modules
When Type CV tenant breakers are installed in these meter
modules, then Eaton’s breakers rated 10 kAIC or greater
installed on the load side of these meter modules may be
protected for short circuits up to 100 kAIC.
See load side breaker panel marking for proper short-circuit
current rating.
1MM, 3MM, 200 A Meter Modules; 35MM, 37MM, 35SS and
37SS 225 A Meter Modules
Tenant Breaker
Catalog Number
Two -Pole
Amperes
Maximum
UL Listed Series
Short-Circuit Rating
BRX_____ 125 65 kAIC
BRHH_____ 125 42 kAIC
BRH_____ 125 22 kAIC
BR_____ 125 10 kAIC
Modular
Metering
Stack
Main
Service
Module
Load Side
Breakers
Main
Tenant
Breaker
Downstream Panel
(Type CH or BR)
The Watt-Hour Meter is not
Included in the Short-Circuit
Current Rating (Per UL 67).
Amperes Maximum
Tenant Breaker
Catalog Number
Two- or Three-Pole
1MM
3MM
200 A
35MM, 37MM,
35SS, 37SS
225 A
UL Listed Series
Short-Circuit Rating
CVH_XMM 200 225 100 kAIC
CV_XMM 200 225 65 kAIC
CVS_XMM 200 225 42 kAIC
CCVH_X 200 225 25 kAIC
CCV_X 200 225 10 kAIC
CC_X 200 225 10 kAIC
Modular
Metering
Stack
Main
Service
Module
Load Side
Breakers
Main
Tenant
Breaker
Downstream Panel
(Type CH or BR)
The Watt-Hour Meter is not
Included in the Short-Circuit
Current Rating (Per UL 67).