Emerson 610 installation manual Wiring Inspection, Power wiring terminals, factory supplied

Wiring Inspection

9.0WIRING INSPECTION

1.Verify all power connections are tightened per the torque specifications in Table 3.

2.Verify all control wire terminations are tight.

3.Verify all power wires and connections have proper spacing between exposed surfaces, phase-to- phase and phase-to-ground.

4.Verify that all control wires are run in steel conduit, separate from all power wiring.

Table 2	Power wiring terminals, factory supplied
UPS Module Rating		Connection Type
	500kVA,	All power connections are top or bottom cable entry to busbars on the right side of
6-Pulse Rectifier		module.
	500kVA,	Busbars for DC input, AC output, Neutral and Ground are provided on the right side of
12-Pulse Rectifier		module, with top or bottom cable entry. Rectifier input is top entry directly to lugs on top
		of input circuit breaker.
625-750kVA,		Busbars for AC output, Neutral and Ground are provided on the right side of module,
standard models with		with top or bottom cable entry. Rectifier input is top entry directly to lugs on top of input
standard input		circuit breaker. DC input is top entry to busbars.
750kVA/675 kW		Busbars for AC output, Neutral and Ground are provided on the right side of module,
and other modules with		with top or bottom cable entry. Rectifier input and DC input are top entry to busbars.
optional input busbar kit

Use 75°C copper wire. Select wire size based on the ampacities in Table 5 of this manual, a reprint of Table 310-16 and associated notes of the National Electrical Code (NFPA 70).

Use commercially available solderless lugs for the wire size required for your application. Refer to Table 3. Connect wire to the lug using tools and procedures specified by the lug manufacturer.

Table 3	Torque specifications
NUT AND BOLT COMBINATIONS
				Electrical Connections
		Grade 2 Standard		with Belleville Washers
	Bolt Shaft Size	Lb-in	N-m	Lb-in	N-m
	1/4	53	6.0	46	5.2
	5/16	107	12	60	6.8
	3/8	192	22	95	11
	1/2	428	22	256	29
CIRCUIT BREAKERS WITH COMPRESSION LUGS (FOR POWER WIRING)
	Wire Size or Range	Lb-in	N-m
	#6 - #4	100	11
	#3 - #1	125	14
	1/0 - 2/0	150	17
	3/0 - 200 MCM	200	23
	250 - 400 MCM	250	28
	500 - 700 MCM	300	34
CIRCUIT BREAKERS WITH COMPRESSION LUGS (FOR POWER WIRING)
	Current Rating	Lb-in	N-m
	400 - 1200 Amps	300.00	34.00
TERMINAL BLOCK COMPRESSION LUGS (FOR CONTROL WIRING)
AWG Wire Size or Range		Lb-in	N-m
	#22 -#14	3.5 to 5.3	0.4 to 0.6

NOTE: Use the values in this table unless the equipment is labeled with a different torque value.

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