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3VT5 Molded Case Circuit Breakers up to 1600 A
Accessories and Components
Rotary operating mechanism
6/29
Siemens LV 36 · 2008
6
■
Technical specifications
The hand drive is the facility of the circuit breaker which enables
circuit breakers 3VT4 to 3VT5 to be controlled locally by apply-
ing rotary movement on the lever, e.g. for switching electrical
equipment on and off. Modular design of the drives enables
easy installation on the circuit breaker after removing the cavity
cover from the circuit breaker. The drive and its accessories is
ordered separately according to your choice, see page 6/5.
• The hand drive enables to control the circuit breaker through
the front panel or through the switchgear door, the outlet for
the operating shaft is protected as has the protection code for
bearings, IP44 or IP66.
• Hand drive operating lever can be furnished with an extension
shaft which makes possible to control the circuit breaker also
in deeper switchgears.
• In order to enhance safety for the operator of the electrical
equipment, the mechanism of the drive is furnished with
locking system preventing the switchgear door from opening
when the circuit breaker is in closed position.
• When the circuit breaker in position manual open, the drive
handle can be locked up using the built-in cylinder type lock
(FAB) and as many as three padlocks with shank diameter up
to 4 ... 7 mm.
• When the drive lever is in position manual open, it is possible
to remove the handle.
• The circuit breakers with hand drives can be provided with
mechanical interlocking system, see page 6/44.
Specifications
Switchgear door locking in
the circuit breaker state
Type
Description
Color
Locking while the circuit
breaker is in OFF state
Protection switched on or off by release Length mm
3VT9 500-3HA10 Manual operating
mechanism
--
yes
--
--
--
3VT9 500-3HE10 Hand drive lever
black
yes
--
--
--
3VT9 500-3HF10 Hand drive lever
red
yes
--
--
--
3VT9 500-3HG10 Coupling driver
--
--
IP44
yes
--
3VT9 500-3HG20 Coupling driver
--
--
IP66
yes
--
3VT9 500-3HJ10 Extension shaft
--
--
--
--
365