36
Ze nit h Z T S ( D) 3 0 -1 2 0 0A AT S , Q U I CK STA RT U S E R M A N UA L
AL/CU UL Listed Solderless Screw-Type Terminals for External Power Connections
Model
ATS Rating
(A)
Source/Load
Lug Type
Wire Range
Cables
per pole
Cables - Tightening
Torque
1
, lb-in (N-m)
ZTS
ZTSD
30 - 60
Source 1
OZXA-24
14 - 2/0 AWG
1
50/5.7
Source 2 / Load OZXA-100
12 - 2/0 AWG
1
132/15.0
100 - 200
Source 1
OZXA-25
6 AWG - 300 MCM
1
275 / 31.1
Source 2 / Load OZXA-200
4 AWG - 300 MCM
1
200 / 22.6
260 - 400
Source 1
OZXA-412L 1x4 AWG - 600 MCM or
2 x 1/0 AWG - 250 MCM
1/2
500 / 56.5
Source 2 / Load OZXA-412
1x 4 AWG - 600 MCM or
2 x 1/0 AWG - 250 MCM 1/2
500 / 56.5
600
Source 1
OZXA-800L 2 AWG - 600 MCM
2
500/56.5
Source 2 / Load OZXA-800E 2 AWG - 600 MCM
2
500/56.5
800 - 1200
Source 1
OZXA-1200 2 AWG - 600 MCM
4
500/56.5
Source 2
OZXA-800S 2 AWG - 600 MCM
4
500/56.5
Load
OZXA-1200 2 AWG - 600 MCM
4
500/56.5
1
Do not exceed this value - may cause damage to switch, voiding warranty
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Table 14 Power Cable Torque Requirements
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Wire Connection
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Final Equipment Inspection
Prior to energizing the transfer switch:
1. Remove any debris incurred, with a vac-
uum, due to shipment or installation.
2. Verify that all cabled connections are
correct and that phase rotation of both
sources match.
3. Check engine start connections.
4. Verify the correct connection of all
control wires.
5. Check settings of all timers and
adjust as necessary.
6. Adjust any optional accessories as
required.
7. Check the lug torque values of the
power connections.
8. Make sure that all covers and barriers
are installed and properly fastened.
Each ABB Zenith transfer switch is factory
wired and tested. A complete information
package is furnished with each switch
which includes:
- Sequence of operation.
- Description and operation of all
accessories supplied.
- Power panel connection diagram
and schematic.
- Description and identification of all
customer field connections.
Installation of ABB Zenith transfer
switches includes:
- Mounting the transfer switch cabinet.
- Connection of Source 1, Source 2, and
Load cables or bus bars.
- Connection of external control circuits as
required.
Notice
Lugs come pre-installed and torqued