MGE UPS Systems 6 kVA, 4.5 kVA, 9 kVA, 12 kVA user manual Connection to the connection modules

Output terminal block

Earthing wires

2. Installation

2.6 Connection to the connection modules

This type of connection must be carried out by qualified electrical personnel.

Before carrying out any connections, check that the battery circuit breaker 2 is OFF and that the upstream protection devices ( AC-power source) are open (OFF).

29

28

The overall cable diameter and the cross-sectional area of the three wires depends on the UPS rating.

	Comet EXtreme	Comet EXtreme
	4,5 to 6 kVA	9 to 12 kVA
Cable diameter	15 to 25.5 mm	15 to 25.5 mm
Cross-sectional area of each wire
◗Flexible wire	4 to 10 mm2	10 mm2
◗Rigid wire	4 to 16 mm2	10 to 16 mm2
Recommended upstream circuit
breaker
◗Nominal rating	C60N 32A 2P	C60N 63A 2P
(47 to 63Hz, 230V)	(maximum line	(maximum line
	current = 26A)	current = 52A)
◗Maximum rating	C60N 40A 2P	C60N 80A 2P
(47 to 63Hz, 187V)	(maximum line	(maximum line
	current = 32A)	current = 64A)

1.Remove the terminal-block cover 28 .

2.Remove the cable entry knockouts from the cover.

3.Loosen the cable clamp 29 .

94. Insert the cable supplying the equipment and the power cable

10through the terminal-block cover 28.

28 Always connect the earthing wire first.

Input terminal

10 block

9

29

5. Connect the three wires of the equipment cable to the output terminal block 9 .

6.Connect the three wires of the power cable to the input terminal block 10 .

7.Tighten the cable clamp 29 .

8.Refit and secure the terminal-block cover 28 .

51033212EN/AC - Page 17