Toshiba 431B Manuale Utente
25
4300 Series Ancillary Cabinets Installation and Operation Manual
10.9 INSTALLATION INSTRUCTIONS
DANGER: HAZARDOUS VOLTAGES MAY EXIST.
Verify all power is removed from the UPS and power cables prior connecting the power
cables to the Ancillary cabinet terminals, Maintenance Bypass Switch terminals, or UPS
terminals.
The Toshiba Auxiliary Cabinet (431A) can be used in either of two arrangements. 431A with the 4300
UPS, or 431A with the 431M and the 4300 UPS.
431A with the 4300 UPS
Select the proper cable size per Table 10.3 then got to Section
Place the 431A Cabinet.
431A with 431M and 4300 UPS
Select the proper cable size per Table 10.3.
Terminate the cable end connecting to the 431M with 0.5 inch bolt hole terminal lugs. See Table 10.2
Terminate the cable end connecting to the 431M with 0.5 inch bolt hole terminal lugs. See Table 10.2
below.
The 431M Circuit Breakers are equipped with terminal bus strips pre-drilled in a standard NEMA 2-hole
The 431M Circuit Breakers are equipped with terminal bus strips pre-drilled in a standard NEMA 2-hole
pattern (0.5 in. bolt holes on 1.75 in. centers) to facilitate installation of power cables. Use of NEMA two-
hole cable terminations is recommended.
Terminate the cable end connecting to the 431M with 0.5 inch bolt hole terminal lugs. See Table 10.2
Terminate the cable end connecting to the 431M with 0.5 inch bolt hole terminal lugs. See Table 10.2
below.
Table 10.1: Bolt Tightening Specifications
ITEM
Torque
Grade 8, 1/2 in. Bolts
119 ft-lb (161 N•M)
The following table lists examples of NEMA 2-hole compression type fittings.
Table 10.2: Compression Fittings
Ilsco P/N
Description
Conductor Size
Fitting Color
CLND-6-12-134
CSWD -6-12-134
Long Barrel
Short Barrel
#6
Blue
CLND-4-12-134
CSWD -4-12-134
Long Barrel
Short Barrel
#4
Grey
CLND-3-12-134
Long Barrel
#3
White
CLND-2-12-134
CSWD -2-12-134
Long Barrel
Short Barrel
#2
Brown
CLND-1-12-134
CSWD -1-12-134
Long Barrel
Short Barrel
#1
Green
CLND-1/0-12-134
CSWD -1/0-12-134
Long Barrel
Short Barrel
1/0
Pink
CLND-2/0-12-134
CSWD -2/0-12-134
Long Barrel
Short Barrel
2/0
Black
CLND-3/0-12-134
CSWD -3/0-12-134
Long Barrel
Short Barrel
3/0
Orange
CLND-4/0-12-134
CSWD -4/0-12-134
Long Barrel
Short Barrel
4/0
Purple
CLND-250-12-134
CSWD -250-12-134
Long Barrel
Short Barrel
250
Yellow
CLND-300-12-134
CSWD -300-12-134
Long Barrel
Short Barrel
300
White
CLND-350-12-134
CSWD -350-12-134
Long Barrel
Short Barrel
350
Red
Go to Section
Place the 431A Cabinet.