User manual

Static Transfer Switch

UNB

User Manual

Page 10 (28)

3.2.2 Front view UNB23.0/30.0/40.0kVA

Sub-Min-D

(not used)

Digital Display CAN Connectors

LED Indications

Adjustment Keys

All operating elements and indicators are located at the front of the modules:

 4 adjustment keys:  (up),  (down), “ESC”, “ENTER”.

 7 LED indications: “STANDBY”, “SOURCE 1”, “SOURCE 2”, “SYNCHR.”, “LOAD ON INVERTER”, “LOAD ON MAINS”,

“ALARM”.

 Digital display

For detailed information concerning operating elements, LED indicators, digital display and connectors please see

the following chapters.