Explanations:

1.Connection terminal cover for mains/UPS input (1.1) and output (1.3), additional pair of terminals for setting individual or parallel operation (1.2); Battery connection terminals

(PROTECT 1.150 / 1.200)

2.Mains input miniature circuit breaker

3.Manual bypass switch

4.Socket for external battery module (PROTECT 1.100) or connection terminals for external battery (PROTECT 1.150/1.200)

5.Connectors for parallel operation

6.Fan (attention: Leave at least 10 cm clearance behind fan for unobstructed airflow out!)

7.Communication slot for optional expansion boards: SNMP, AS/400, USB

8.Communication interface RS232 (Sub-D9)

9.Cable clamping unit (is mounted instead of the cover from no. 1)

10.Strain relief clamps

11.PE/earthing terminals

12.Macrolon plate as additional insulation to prevent short circuits when using uninsulated cable lugs (PROTECT 1.150/1.200)

13.Cover of the cable clamping unit

28