Recommended Wire Size And Torque Requirements For 50Kva - Toshiba 4200FA Installation And Operation Manual

Three-phase 15/25/30/50 kva ups
Hide thumbs Also See for 4200FA:
Table of Contents

Advertisement

4.3.1

Recommended Wire Size and Torque Requirements for 50kVA

Minimum wire sizes are based on NEC Table 310.16. Neutral wire is sized per NEC Article
310.15(B), Grounding wires sized per NEC Article 250.122. Maximum wire capacity of the
power terminal lugs is 250kcmil.
INPUT:
(H1) (H2)
AWG
(H3)
208 V
2/0 – 250 kcmil
220 V
2/0 – 250 kcmil
240 V
2/0 – 250 kcmil
380 V
2 – 250 kcmil
400 V
3 – 250 kcmil
415 V
3 – 250 kcmil
480 V
4 – 250 kcmil
600 V
6 – 250 kcmil
Phase: (A) (B) (C) (N)
Input: (H1) (H2) (H3)
208/120 V
220 V
240 V
380 V
400 V
415 V
480 V
600 V
Battery (+) / (-)
Input/ Output (GND)
208-240 VAC
380-480 VAC
600 VAC
26
Minimum / Maximum Wire Size and Torque Requirements
UPS Input and Output Terminals TB1 50 kVA*
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
(L1)(L2)(L3
NEUTRAL
AWG
250 kcmil
208/120 V
4/0 – 250 kcmil
220/127 V
N/A
240 V
1/0 – 250 kcmil
380/220 V
1/0 – 250 kcmil
400/230 V
1 – 250 kcmil
415/240 V
2 – 250 kcmil
480/277 V
N/A
600 V
Minimum / Maximum Wire Size and Torque requirements
UPS Optional Bypass Input Terminals TB4 50 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
AWG*
1/0 – 250 kcmil
1/0 – 250 kcmil
1/0 – 250 kcmil
2 – 250 kcmil
3 – 250 kcmil
3 – 250 kcmil
4 – 250 kcmil
6 – 250 kcmil
Minimum / Maximum Wire Size and Torque requirements
UPS Battery Input Terminals TB1 50 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
(+) (-)
4/0 – 250 kcmil
Minimum / Maximum Wire Size and Torque requirements
UPS Ground Lugs 50 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
6 – 250 kcmil
6 – 250 kcmil
8 – 250 kcmil
OUTPUT:
AWG
)
2/0 – 250 kcmil
2/0 – 250 kcmil
1/0 – 250 kcmil
4 – 250 kcmil
4 – 250 kcmil
4 – 250 kcmil
6 – 250 kcmil
6 – 250 kcmil
50 kVA
NEUTRAL AWG*
250 kcmil
250 kcmil
N/A
2/0 – 250 kcmil
2/0 – 250 kcmil
1 – 250 kcmil
2 – 250 kcmil
N/A
50 kVA
AWG*
Tightening Torque
200 in-lbs.
50 kVA
AWG
4200FA Installation and Operation Manual
NEUTRAL
Tightening
AWG **
Torque
250 kcmil
200 in-lbs.
4/0 – 250 kcmil
200 in-lbs.
N/A
200 in-lbs.
1/0 – 250 kcmil
200 in-lbs.
1/0 – 250 kcmil
200 in-lbs.
1 – 250 kcmil
200 in-lbs.
1 – 250 kcmil
200 in-lbs.
N/A
200 in-lbs.
Tightening Torque
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
Tightening Torque
200 in-lbs.
200 in-lbs.
200 in-lbs.

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

4200fa ct

Table of Contents