Specification

| Load Center Selection & Application Guide
24
s
Prevents dangerous feedback between two sources of power
Load Centers
Manual Transfer Interlock Kits for Load Centers andc Meter Combinations
Catalog
number
Usage
Information
Utility main
breaker types
Standby main
breaker types
Interlock
number
ECSBPK01 For use on load centers or meter
combinations that will accept 2-
pole circuit breakers opposite
one another as shown.
QP, QPH, HQPH QP, QPH, HQPH 1
ECSBPK02 For use on load centers or meter
combinations that will accept 2-
or 4-pole next to a 2-pole circuit
breaker side by side as shown.
QP, QPH, HQPH QP, QPH, HQPH 2
ECSBPK03
For use on UltimateTM and Rock
Solid load centers, 150 amp and
higher, to connect the main breaker
to a 2-pole circuit breaker.
MBK150A,
MBK200A, OR
MBK225A
QP, QPH, HQPH 3
ECSBPK04
For use on Ultimate and Rock Solid
load centers, 125 amp and lower,
to connect the main breaker to a
2-pole circuit breaker.
MBK100A or
MBK125A
QP, QPH, HQPH 4
ECSBPK05 For use on load centers or meter meter
combinations that will accept a QNR (MD-
TR) frame circuit breaker next to
a 2-pole circuit breaker as shown.
QNR, QNRH, HQNR QP, QPH, HQPH 5
ECSBPK06
For use on load centers or meter
combinations that will accept a QN
(MD-T) frame circuit breaker next
to a 2-pole circuit breaker as shown.
QN, QNH, HQN QP, QPH, HQPH 6
ECSBPK07 For use on load centers or meter
combinations that will accept two QNR
(MD--TR) circuit breakers side by side as
shown OR will accept two QN (MD--T) circuit
breakers side by side as shown.
QNR, QNRH, HQNR,
QN, QNH, HQN
QNR, QNRH,
HQNR QN,
QNH, HQN
7
ECSBPK08
For use on 8 space, over/under,
OH/UG feed meter combinations
as shown. Limited application
to specific catalog numbers.
QPP, QPPH QP, QPH, HQPH 8
ECSBPK09
For use on 20 space, over/under,
OH/UG feed meter combinations
as shown. Limited application to specific
catalog numbers.
QPP, QPPH QP, QPH, HQPH 9
Manual breaker interlock kits are attached to the breakers
not the trim of the load center.
These kits take up 2 spaces adjacent to the 2 pole breaker
being interlocked. Those spaces cannot accommodate filler
plates.