Relay Communication Card Connections

Refer to “Relay Communication Card Contacts“ for relay communication card, cover and hardware details. See “MGE Galaxy 4000 40–75 kVA 208 V Operation Manual — Operation — Preparing for Startup“ for communication card port location in the unit.

1.Remove the cover “3” secured by the screws “1”.

2.Run the communication cables through the cable entry holes “4”.

3.Connect the conductors to the input “6” and output “5” terminal blocks (refer to “Relay Communication Card Contacts“ for a connection example.)

4.Put the cover back in place and secure it with the screws “1”.

5.Tighten the screws “7” to clamp the cables.

6.Indicate the locations of the power sources on the labels.

7.Insert the card in its slot.

8.Secure the card with two screws “2”.

Characteristics of Output Contacts

Relay Type	Normally Open
Max. voltage	250VAC, 30VDC

Max. current	2 A

Cable	4 x 0.93 mm, 6.6 ±0.3 mm

Characteristics of Input Contacts

Switched voltage	5VDC

Consumption	10 mA

Cable	4 x 0.34 mm, 5 ±0.5 mm

Output alarms are always activated on the conditions stated unless requested by customer to operate on other conditions.

Input contacts are designed for remote UPS operation. Use extreme caution when using these contacts so as not to endanger persons or compromise the UPS load.

MGE Galaxy 4000 40–75 kVA 208 V

990–3964–001

4075KVA208V, GLF50KF, 40004075KVA208Vi, 4000 specifications

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APC 4000, GLF50KF manual Relay Communication Card Connections, Characteristics of Output Contacts

Models: 4075KVA208V GLF50KF 40004075KVA208Vi 4000