24
Sensor IQ Installation Manual
1:
With the conduit in place, make sure the upstream source of power is off or isolated, and then
pull the incoming power cables (phase, neutral and ground) to the panel. Refer to the wire
specification chart above for wire, strip length, torque, and tool specification.
2:
Strip back the wire to the lengths indicated in the wire specification chart, depending on the
connection.
3:
Terminate the ground wire to the ground lug.
4:
Terminate the neutral wire(s) to the neutral lug(s).
5:
Terminate the phase wires to the main lugs or main circuit breaker (if installed). Using the
appropriately sized Allen wrench, tighten the lug to the torque indicated above.
240/277 V Main Feed Cable Specification
Purpose and Type
Wire Range
Strip length
Torque
Wrench
Main Lugs (all models)
Dual 16 mm
2
–120 mm
2
(6 AWG–250 kcmil*)
25 mm
(1 in)
31 Nm
(275 in-lb)
5/16 in
Main Circuit Breaker
240/415 V or 277/480 V
3 phase, 100 A
Single 25 mm
2
–50 mm
2
(4 AWG–1 AWG)
16 mm
(5/8 in)
6 Nm
(53 in-lb)
4 mm
Main Circuit Breaker
240/415 V or 277/480 V
3 phase, 200 A
Single 50 mm
2
–150 mm
2
(1 AWG–300 kcmil)
20 mm
(13/16 in)
15 Nm
(135 in-lb)
6 mm
Main Circuit Breaker
240/415 V or 277/480 V
3 phase, 400 A
Dual 95 mm
2
–120 mm
2
(3/0 AWG–250 kcmil)
23 mm top
(15/16 in)
56 mm bottom
(2-3/16 in)
18 Nm
(160 in-lb)
8 mm
Neutral Input Lug
(12- and 24-channel)
Single 16 mm
2
–150 mm
2
(6 AWG–350 kcmil)
23 mm
(15/16 in)
42 Nm
(375 in-lb)
3/8 in
Neutral Input Lug
(48-channel)
Dual 16 mm
2
–150 mm
2
(6 AWG–350 kcmil)
23 mm
(15/16 in)
42 Nm
(375 in-lb)
3/8 in
Ground Input Lug
(48-channel and all ISO ground
option kits)
Single 16 mm
2
–150 mm
2
(6 AWG–350 kcmil)
23 mm
(15/16 in)
42 Nm
(375 in-lb)
3/8 in
Ground Input Lug
(12- and 24-channel)
Single 2.5 mm
2
–50 mm
2
(14 AWG–2/0)
16 mm
(5/8 in)
13 Nm
(120 in-lb)
3/16 in
500 kcmil Kit (120 V and 240/277 V)
available.
Note:
It is the installing contractor’s responsibility to comply with all local electrical codes.
For UL 924 emergency installation, secure an emergency power source for control
electronic power and line feeds as required.
