Page 176 - SACE Tmax XT - Catalogue

7/30 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Operating mechanism

Flange handle
Installed on the panel door. It allows fixed circuit breakers to be operated in accordance with NFPA and
UL508A Standards by means of cables of different length (4’,6’,10’), which act on a base installed on the
front of the circuit breaker. Two different versions of handles are available in order to fully meet the Stan-
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Flange handle dard prescriptions required by the application: NEMA 1, 3, 12, 4 metallic and NEMA 1, 3, 12, 4, 4X non-me-
tallic.

NFPA handle
Thanks to this handle mounted on the shaft of the RHE mechanism, the operator is allowed to operate the
circuit breaker and to lock it in OFF position by means of an embedded padlock device also in case of
panel door open, as prescribed by the Standards NFPA 79 and UL508A.
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NFPA handle

Front for the lever operating mechanism
This device can be installed on the front of the circuit-breaker and for withdrawable circuit- breakers in-
side switchboards, it allows the IP40 degree of protection to be maintained for the whole insulation run
of the circuit-breaker.
It is always fitted with a compartment door lock and with a slot for a padlock device in the open position
(6 mm Ø stem up to three padlocks - not supplied) which prevents closing the circuit-breaker and the
compartment door.
The front for the lever operating mechanism can only be installed on the XT2, XT4, XT5 and XT6 circuit-
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Front for the operating breakers. The front for the lever operating mechanism can be fitted with a wide range of key locks and
lever mechanism
padlocks (see the Chapter "Safety and Protection" - section "Locks").
The use of the front for the lever operating mechanism is an alternative to the motor operator and to all
of the front type accessories.

Toggle extension for XT5-XT6
This device can be used to easily operate the toggle of the circuit-breaker, during manual closing and
opening operations.
The device is removable and does not need screws in order to mount and operate it.
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Toggle extension
Foldable handle for XT7
This device can be used to reduce the installation depth of XT7. It can be mounted instead of the stan-
dard toggle and folded on a side after using.