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13
2.3.2 Connecting to External Panel Boards
The following instructions are also shipped attached to the rear of the unit.
INPUT CABLING AND PROTECTION
Table Below Applies to 4-16kVA Scalable Systems:
Stand-alone UPS or
UPS equipped with a Maintenance Bypass Cabinet (Without Transformer)
UPS With Maintenance Bypass Cabinet (With Transformer)
Single Input Feed: All UPS ratings must use 100A input circuit breaker protection.
Dual Input Feed: See table below.
Bypass Voltage Jumper Position (TB2)
Max. System
Load Rating
Input Voltage – 208VAC Input Voltage – 240VAC
Max. Current
in UPS mode
Recommended
Input Protection
Circuit Breaker
Max. Current
in UPS mode
Recommended
Input Protection
Circuit Breaker
4kVA 18 amps 50 amps 15 amps 50 amps
8kVA
36 amps 50 amps 31 amps 50 amps
12kVA 53 amps 75 amps 46 amps 75 amps
16kVA
70 amps 100 amps 62 amps 100 amps
Terminal
Block
Details
Maximum: 35mm
2
(2AWG)
Minimum: 16mm
2
(6AWG)
Torque Rating: 2.5-3.0Nm (22-26in/lbs)
Max. System
Load Rating
UPS Feed Bypass Feed
Input Voltage – 208VAC Input Voltage – 240VAC 208V or 240V
Max. Current
in UPS mode
Recommended
Input Protection
Circuit Breaker
Max. Current
in UPS mode
Recommended Input
Protection Circuit Breaker
Recommended
Input Protection
Circuit Breaker
4kVA 18 amps 50 amps 15 amps 50 amps 100 amps
8kVA
36 amps 50 amps 31 amps 50 amps 100 amps
12kVA 53 amps 75 amps 46 amps 75 amps 100 amps
16kVA
70 amps 100 amps 62 amps 100 amps 100 amps
Terminal
Block
Details
Maximum: 35mm
2
(2AWG)
Minimum: 16mm
2
(6AWG)
Torque Rating: 2.5-3.0Nm (22-26in/lbs)
Bypass Voltage Selection
208 VAC
(Factory Default)
240 VAC
(Field Change)
Jumper/link
on upper two
screws
Jumper/link
on lower two
screws