Brochure

PowerPact H-, J-, and L-Frame Circuit Breakers
Installation Recommendations
154
02/2016 © 2011–2016 Schneider Electric
All Rights Reserved
Safety Clearance
Control Wiring
Remote Tripping by Undervoltage Trip (MN) or Shunt Trip (MX)
Power requirements are approximately:
• 30 VA for pick-up of the undervoltage trip (MN) and shunt trip (MX)
• 300–500 VA for the motor operator.
\
Safety Clearances
1.00
(25,4)
>
1.00
(25,4)
>
4.00
(101,6)
>
4.00
(101,6)
>
H
W
D
A
1
If dimension A < 0.56 in. for H- and J-frame circuit breaker, attach
fiber insulating plate, not provided, to enclosure cover.
.50
(12,7)
.50
(12,7)
< .56
(14,2)
.03
(,8)
3.00
(76,2)
1.25
(31,8)
H- and J-Frame Fiber Insulating Plate
Dimensions:
in.
(mm)
Table 141: Recommended Maximum Cable Lengths
1
Power Supply Voltage (Vdc) 12 Vdc 24 Vdc 48 Vdc
Cable cross-section 16 AWG (1.5 mm²) 14 AWG (2.5mm²) 16 AWG (1.5 mm²) 14 AWG (2.5mm²) 16 AWG (1.5 mm²) 14 AWG (2.5mm²)
Undervoltage
Trip (MN)
V source 100% 49 ft. (15 m) — 525 ft. (160 m) — 2100 ft. (640 m) —
V source 85% 23 ft. (7 m) — 131 ft. (40 m) — 525 ft. (160 m) —
Shunt Trip
(MX)
V source 100% 197 ft. (60 m) — 787 ft. (240 m) — 3150 ft. (960 m) —
V source 85% 98 ft. (30 m) — 394 ft. (120 m) — 1575 ft. (480 m) —
Motor
Operator
V source 100% — 33 ft. (10 m) 52 ft. (16 m) 213 ft. (65 m) 361 ft. (110 m)
V source 85% — — 6.6 ft. (2 m) 13 ft (4 m) 56 ft. (17 m) 82 ft. (25 m)
1
The indicated length is that of each of the two wires.