Plus and
PM
Units
Catalog Numbers for RMS9C Trip
Units in AKR Circuit Breakers
The following table contains the catalog number
options for
AKR
circuit breakers, with an illustration
of a valid number and the options that each part of
the number refers to.
G
R
Code Description
A
AKR
2
225-2000 A maximum CT
3
3200 A maximum CT
4
4000 A maximum CT
01
150 A
03
225 A
04
400 A
06
600 A
08
SOO A
16
1 600 A
20
2000 A
30
3000 A
32
3200 A
40
4000 A
L
Long-time (standard)
s
Short-time
H
High instantaneous
I
Instantaneous
K
Fixed
instantaneous
G
Ground fault
GD
Defeatable ground fault (not UL listed)
w
W curve
Z 1
Ground-fault zone-selective interlock
Z2
Ground-fault and short-time ZSI
X
Switchable instantaneous short time and
fault
p
Relaying and communication
M
and communication
R
Replacement trip unit
37
1
Function
Breaker
Breaker Frame
(max CT)
Installed CT
Overcurrent Protection
Ground-Fault
Protection
Optional Functions
Communication,
&
Replacement
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