BQT6904800 -02

Circuit Breaker Position Keylocks

The function of the keylocks is to lock and unlock the circuit breaker plug in the test position.

Figure 27
Circuit Breaker Keylocks

1

Keylock 1

3

Plug locking bracket 1

2

Keylock 2

4

Plug locking bracket 2

Follow the below steps to lock and unlock the circuit breaker keylocks:

Locking the Circuit Breaker:

  1. Check keys (1) and (2) are inserted in their respective key slots.

  2. Turn the keys (1) and (2) clockwise to the lock position.

  3. Check the circuit breaker plug locking brackets (3) and (4) are blocking the circuit breaker plug.

  4. Remove the keys (1) and (2) from the key slots.

    Figure 28
    Block the Access to the Circuit Breaker

    1

    Keylock 1

    3

    Plug locking bracket 1

    2

    Keylock 2

    4

    Plug locking bracket 2

Unlocking the Circuit Breaker:

  1. Insert the keys (1) and (2) into their respective key slots.

  2. Turn the keys (1) and (2) counter-clockwise to the unlocked position.

  3. Check the circuit breaker plug locking brackets (3) and (4) are released from the circuit breaker plug.

NOTE: The keys (1) and (2) can not be removed in the unlocked position.

Figure 29
Access to the Circuit Breaker Plug

1

Keylock 1

3

Plug locking bracket 1

2

Keylock 2

4

Plug locking bracket 2

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

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