Specifications
20
COMPACT
®
NS circuit breaker
Connections
push
to
trip
E28028
■ Cable connectors for COMPACT
®
NSF150 and
NSF250 circuit breakers lay on top of the circuit
breaker terminals. They are held in place by a plastic
lug pack which is screwed into the circuit breaker case.
■ Cable connectors for COMPACT
®
NSJ400 and
NSJ600 circuit breakers screw onto the circuit breaker
terminals or the terminals of the plug-in base.
E29280
E22040
1 wire cable
E22041
2 wires cables
Copper or aluminum cable
E29145
Front connection
Connection to cables
COMPACT
®
NS circuit breaker: functions and characteristics
S
L
L
Ø
d
D
e
push
to
trip
Connection to bars
The COMPACT
®
NSF150 to NSJ600 circuit breakers are equipped as standard with
captive nuts and screws for direct connection to bars:
■ COMPACT
®
NSF150/250 circuit breakers: M8 screws;
■ COMPACT
®
NSJ400/600 circuit breakers: M10 screws.
E28030
E29146
COMPACT
®
circuit breaker NSF150/250 NSJ400/600
pole pitch (inch /
mm
) 1.4/
35
1.8/
45
L (inch /
mm
) ≤ 1/
25
≤ 1.3/
32
d (inch /
mm
) ≤ 0.4/
10
≤ 0.64/
16
D (inch /
mm
) < 0.35/
9
< 0.51/
13
e (inch /
mm
) ≤ 0.23/≤
6
0.11–0.39
/3–10
f (inch /
mm
) < 0.32/
8
< 0.4/
10
E29229
NSF150 NSF150/250
steel lug (15–60 A) aluminum lug (70–250 A)
S #14 AWG–#10 AWG Cu S #2/0 AWG–250 kcmil Cu
S (stranded conductor only) #4/0 AWG–350 kcmil Al
#8 AWG–#6 AWG Cu
70–185 mm
2
#8 AWG–#4 AWG Al
1.5–95 mm
2
L .79 in./
20 mm
L .79 in./
20 mm
NSJ400 NSJ600
1 cable 1 to 2 cables
S #2 AWG–600 kcmil Cu S #2/0 AWG–350 kcmil Cu
S #2 AWG–500 kcmil Al #2/0 AWG–500 kcmil Al
35–300 mm
2
70–240mm
2
L 1.2 in./
31 mm
L 1.2 in./
31 mm
2.4 in./
61 mm