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EntelliGuard* L

Breaker accessories

Cassette key lock facilities Spare parts for general use
The Air Circuit Breaker can be equipped with optional The EntelliGuard* Power Circuit breaker uses components
cassette key locks. The key lock system encompasses a that are designed to last the full life span of the device. Ho-
device fitted to the cassette allowing the lock functionality. wever, certain components can be damaged or break during
The device ensures that a draw out circuit breaker cannot be operational use. For these specific cases, the following spare
moved from the TEST or DISCONNECT position unless the key parts are available:
has been inserted and secured within the lock. The locks also
prevent the breaker from (all positions) being swithced on. Racking handle (A)
Breaker front cover (B)

Breaker key lock facilities (A) (B)
The Air Circuit Breaker can be equipped with a key lock system.
The key lock system encompasses a device fitted in the front
fascia allowing the locks to be fitted and to separate locks.
These devices ensure that a circuit breaker cannot be closed Breaker accessories
unless the key has been inserted and secured within the lock.
Spare part for maintenace purposes
Air Circuit Breakers as the Entellliguard Power Circuit Breakers
Door interlock require periodic maintenance. Here, in some cases certain
A device designed to prevent the door of the equipment in components critical to the devices functionality could need
which the breaker is installed to be opened when the Air Circuit replacement.
Breaker is in connected position. Please contact our service department for specialist
It is available in two executions; one for a door opening to the assistance in establishing which components need Intro
left and one to the right. replacement and the physical replacement activities.
The following items are available:
Arc Chutes (A)
Cassette position indication contacts Fixed arcing Contacts (B) A
A breaker in draw-out mode has a cassette that is used for Cassette cluster contacts (C)
mounting and connecting. The breaker, in its moving position Pliers to remove Cassette cluster contacts (D)
mode, can be inserted into the cassette and by use of the B
racking handle it can be moved to one of three positions;
which are described below.

C
Connected, test, disconnected or withdrawn (A) (B)
To indicate in which position
the EntelliGuard breaker is
located within the cassette, D
position indication contacts
are available. The disconnected
position is only being indicated when (C) (D) E
minimum isolating distances between
contacts on both the main and auxiliary
circuits have been achieved. Commonly
referred to as carriage switches they are available as a factory X
mounted component or as a field mountable device.

Connections
The device is located in the left side base of the cassette
substructure and can be accessed and connected directly.

Electrical characteristics
AC ratings DC ratings
Voltage Amps Voltage Amps
250V AC21-10A 125V DC21-0,5A
250V DC21-0,25A

Please contact our nearest authorised service centre for other available spare parts for EntelliGuard

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