Emerson 240V, 208 Connecting to External Panel Boards, Bypass Voltage Jumper Position TB2

Installation

2.3.2Connecting 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 12-20kVA Scalable Systems:

Stand-alone UPS or

UPS equipped with a Maintenance Bypass Cabinet (Without Transformer)

	Input Voltage – 208VAC		Input Voltage – 240VAC
	Max. Current	Recommended	Max. Current		Recommended
Max. System		Input Protection			Input Protection
	in UPS mode		in UPS mode
Load Rating		Circuit Breaker			Circuit Breaker
12kVA	53 amps	75 amps	46 amps		75 amps
16kVA	70 amps	100 amps	62 amps		100 amps
20kVA	102 amps	125 amps*	88 amps		125 amps*
Terminal		Maximum: 35mm2 (2AWG)	* Must use 90° copper	wire
Block		Minimum: 16mm2 (6AWG)
Details		Torque Rating: 2.5-3.0Nm (22-26in/lbs)

UPS With Maintenance Bypass Cabinet (With Transformer)

Single Input Feed: All UPS ratings must use 125A input circuit breaker protection.

Dual Input Feed: See table below.

			UPS Feed			Bypass Feed
	Input Voltage – 208VAC		Input Voltage – 240VAC			208V or 240V
Max. System	Max. Current	Recommended	Max. Current		Recommended Input	Recommended
		Input Protection				Input Protection
Load Rating	in UPS mode	Circuit Breaker	in UPS mode		Protection Circuit Breaker	Circuit Breaker
12kVA	53 amps	75 amps	46 amps		75 amps	125 amps*
16kVA	70 amps	100 amps	62 amps		100 amps	125 amps*
20kVA	102 amps	125 amps*	88 amps		125 amps*	125 amps*
Terminal		Maximum:	35mm2 (2AWG)	* Must use 90° copper wire
Block			Minimum: 16mm2 (6AWG)
Details		Torque Rating: 2.5-3.0Nm (22-26in/lbs)
		Bypass Voltage Jumper Position (TB2)
Bypass Voltage Selection			208 VAC		240 VAC
			(Factory Default)		(Field Change)

Jumper/link on upper two screws

Jumper/link on lower two screws

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