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Front Panel

Internal view

Manual changeover switch

Off/Emergency supply/

Normal supply/Automatic

KN1T

QN1

Lamps

1. GEN. C.B.ON

Lit when emergency supply switch

is switched on, power supply and

emergency supply voltages

present.

2. GEN. READY

Lit when emergency supply is

present.

3. MAIN C.B.ON

Lit when mains supply switch is

switched on, power supply and

mains supply voltages present.

4. MAIN READY

Lit when normal mains supply is

present.

5. TRIPPED

Is lit and interlocked if a 3WN6 has

tripped.

6. RESET

Reset following overcurrent trip.

Time-delay relay

KG1T (T1)

1,5 s to 30 s. Switch-on delay for the

emergency supply switch

Default: 3 s

KN1T (T2)

5 s to 100 s. Reset time for the

normal supply switch

Default: 60 s

KG1T

QG1

Circuit breakers

QN1

Normal supply breaker

QG1

Emergency supply breaker

Terminal block for connection of the

normal supply, emergency supply and

auxiliary supply