2. Installation

2.5 Battery connection

Warning

The batteries should be connected only by qualified electrical installation specialists.

The work involved in connecting the batteries must be carried out in accordance with all applicable rules and regulations, respecting all safety measures for working on live equipment, i.e. qualified personnel using insulated gloves, protective eyeware, insulated tools, etc.

Interconnecting the batteries to obtain the required configuration

Wire the batteries as indicated in the table below to obtain the required backup time: 2, 4 or 8 hours.

Use sealed lead-acid batteries only with ratings of 12 V / 45 Ah for 2-hour configurations and 12 V / 65 Ah for 4-hour and 8-hour backup times.

Typical backup times at

 

 

 

rated power

2 hours

4 hours

8 hours

1500 VA, 1050 W

 

 

 

 

 

 

 

Configuration

2 parallel strings each

2 parallel strings each

4 parallel strings each made

 

made up of 4 x 12 V / 40 Ah

made up of 4 x 12V / 65 Ah

up of 4 x 12 V / 65 Ah

Batteries CSB, Panasonic,

batteries connected in

batteries connected in

batteries connected in

Sonnenschein, CEAC, ...

series for a total voltage (for

series for a total voltage

series for a total voltage (for

 

the 8 batteries) of 48Ê V.

(for the 8 batteries) of 48Ê V.

the 16 batteries) of 48 V.

 

 

 

 

Connecting the battery configuration to the UPS

The cable and circuit breaker are not supplied.

Connect the battery configuration to terminal 8 of the UPS via a protective circuit breaker (40 A, C curve, short circuit 10Ê kA).

ON

OFF

The circuit breaker must remain open (OFF position).

The connection is made using a cable no more than 6 m long made up of 3 x 6/8 mm2 conductors (Battery+, Battery- and earth) fitted with metal caps at both ends (we recommend using a shielded cable for equipment that is sensitive to disturbances).

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MGE UPS Systems 1500C user manual Battery connection, Connecting the battery configuration to the UPS