Liebert 130 kVA user manual Auxiliary Terminal Block X3 and X4 at UPS, Description

User Manual

Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V

3.2.2Auxiliary Terminal Block X3 and X4 at UPS

X3 terminal reference	Reference label	Description
2	Common	Temperature sensor common (0V)
3	T Batt.	Temperature sensor signal
4	Common	Common (0V)
5	Batt. Sw.	Battery circuit breaker trip control
6	Bat Trp	Battery circuit breaker trip control

Note: The auxiliary cables of the battery must be screened and double insulated. The screen is connected to the earth of the battery cabinet or supporting rack. Use multiple-core shielded cables with a section of 0.5 to 1mm2

Connect the cables with the Fast-on 6.3 x 0.8 mm terminals (female)

X4 terminal reference	Reference label	Description
1-2	Ext. OFF Inv	Remotely provides control for switching off the inverter.
		Normally open contact.
		Indication to be provided at the UPS to note the opening of an external
3-4	Ext. Sw. Out	module output isolator.
		Normally closed contact.
		If unused, leave the standard connectors in place.
		Remotely provides control for switching off the UPS using a remote
5-6	Ext. EPO	emergency button.
		Normally closed contact.
		If unused, leave the standard connectors in place.
		Indication to be provided at the UPS to note the opening of an external
7-8	Ext. BYP	maintenance bypass switch.
		Normally closed contact.
		If unused, leave the standard connectors in place.
9-10	Back Feed	Signal form the UPS to indicate a return flow of energy in the bypass mais.
		Normally open contact.
		Availability of a contact for switching off the UPS in the same way as the
11-12	Int. EPO	internal emergency off button.
		Normally closed contact.

Note: All auxiliary cables of terminal block X4 must be double insulated.

The cross-sectional area of the auxiliary cables is from 0.5 to 1 mm2

Connect the cables with the Fast-on 6.3 x 0.8 mm terminals (female)

Maximum contact rating on auxiliary terminals: 50 Vdc @ 1 Amp.

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