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TRI153.INS.046.3 - 08 March 2021
RTM - 75kW User Unit Installation Manual
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A Shunt Trip module can be used to turn
off the upstream circuit breaker when the
charger detects a safety fault. The shunt
trip causes a breaker to open when a
control voltage is applied to the shunt trip
coil. An external power supply is not
required in the shunt trip protection
method, because absence of control
voltage is a normal state for the shunt
trip coil. Shunt trip is delayed by 1 sec
after a break in safety loop is detected.
This delay is used to bootstrap the
charger at power-up.
FW3 – SHUNT TRIP and FW4 –
SHUNT TRIP COM
provides connection
points to the safety system shunt trip
output as a normally open clean contact
relay. A break in the safety loop will close
the shunt trip relay after a 1 second
delay, thus returning the control voltage
to an upstream shunt trip coil and
isolating all supply power from the
charger.
Contact specifications for the
normally open clean contact relay are
listed in Appendix: Datasheet for TE
Connectivity Potter & Brumfield Relays
(V23105A5405A201).
Auxiliary wiring - Shunt trip
Содержание RTM75
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