Specifications

32
COMPACT
®
NS circuit breaker
H
Z
H1
H2
H3
H54
H53
P1
P2
P4
X
Cutout A Cutout B
Fixed-mounted
Dimensions
Mounting
Mounting on backplate
K
G
G1
K1 K1
K1
G4
G5
X
Y
∅T
∅T4 (d)
Mounting on rails
Front panel cutouts
For fixed or plug-in circuit breakers
X
Y
C2
C3
X
Y
C2
C3
R2
R4(3P)
Cutout C
Y
X
K1
G
G1
∅T
U (e)
K
E29150
E29151
E21507
E21511
X
P5
P6
A
B/C
Z
E29153
E21601
X
Y
C
C1
R
R1
E21603
E21604
E36973
X
Y
L1
L
(a)
(a) short terminal covers for
rear connection
(d) only for rear connected circuit breakers.
(e) U ≤ 0.78/
20 when using secondary disconnecting blocks (COMPACT
®
NSF150 and NSF250 circuit breakers).
0.4
10
13.8
35
0.4
10
13.8
35
Electrical clearances
inch
mm
COMPACT
®
NS circuit breaker: dimensions, connections and wiring diagrams