P1, P3 and P5 Switch Disconnectors up to 315 A –
For Absolute Safety
Like T rotary switches, P switch disconnectors
are manually operated switching devices without any
release or switch mechanism but with a direct link
between manual operating element and the contact.
The contacts are positively opened on de-energization,
and the auxiliary contacts are interlocked opposing
contacts.
P switch disconnectors are available for the
current range:
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P1 switch disconnectors for
25 A and 32 A
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P3 switch disconnectors
for 63 A and 100 A
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P5 switch disconnectors
for 125 A to 315 A
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Switchable "N conductors" and/or "HI21 auxiliary
contacts" can be connected to the P1, P3, or P5
switch disconnector with a make and break contact.
The auxiliary make contact is always switched as a
load shedding contact for control of the contactor.
In this manner, the contactor assumes the switching
task and the switch-disconnector only needs to
disconnect the main current circuit.
Typical application for P switch disconnectors,
e.g.:
Maintenance, repair and safety switch
P switch disconnectors are particularly suitable
as safe maintenance and repair switches or as
enclosed main switches for individual electrical
loads.
Multiple padlocks can be connected in the OFF
position. This provides a vital safety function: the
no-voltage state is visible and switch on is
impossible.
ON/OFF switch
P switch disconnectors provide reliable operation
with heating and lighting systems, motors, etc. They
are also suited for direct switching of motors.
Selection of the switch is performed to suit the
rated uninterrupted current or the motor rating in
accordance with utilization category AC-23A. In
applications where frequent switch on and off
operations are necessary, the high switching
capacity guarantees reliability.
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