efacec NORMAFIX - Operating Mechanisms; Operating Mechanism Cl1, CS1, CST; Operating Mechanism Cl2

NORMAFIX
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4. OPERATING MECHANISMS
Operating Mechanism CI1, CS1 e CST (Switch Disconnector and Earth Switch)
1 – Lever for the manual operation of the switch
or the earthing switch
2 – Switch Disconnector status indicator
Operating mechanism Earth switch:
3 – Hole to insert Earth Switch interlocking pin
4 – Hole for operating lever of the earth switch
Operating mechanism Switch Disconnector (or
Disconnector):
5 – Hole to insert Switch Disconnector
interlocking pin
6 – Hole for operating lever of the Switch
Disconnector
Operating mechanism CI2 (Switch Disconnector and Earth Switch)
1 – Operating lever tol Switch Disconnector and
Earth Switch
2 – Synoptic to indicate mechanical state of the
Switch Disconnector and earth switch
Operating mechanism Earth Switch:
3 – Hole to insert Earth Switch interlocking pin
4 – Hole for operating lever of the earth switch
CI2 Operating mechanism Switch Disconnector
(Only CIS cubicles):
7 – Hole to insert Switch Disconnector
interlocking pin
8 – Hole for operating lever of the Switch
Disconnector
9 – Fuse fusion signaling
10 – Button for manual opening of Switch
Disconnector
Operating mechanism functional principle CI1(M), CI2(M), CS1, CST
The maneuver of a lever drags a spring away from a balanced position. In this position,
releases the spring stretching up abruptly and independently of the operator.
1
5
6
2
4
3
1
7
8
2
4
3
9
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