4. Operation
4.2.2 Circuit-breaker
• In case overload and short-circuited wire
connection should occur, the circuit-breaker trips.
• When this is tripped, stop the unit immediately
and reset the circuit breaker after getting rid of
the causes of trouble.
<How to reset>
• In order to reset the lever of circuit-breaker, press
hard the lever downward till the lever sounds
"click".
4.2.3 Thermal relay
• In case overload or short-circuit should occur to
load or load connection cable, this relay functions
to trip the circuit-breaker.
• It is not necessary to push the reset button even
after the three phase main breaker is tripped since
the thermal relay is set automatic return at
factory.
4-4
0
ON
J
TRIP
A080514
RESET
A080455E
Reset switch lever
Thermal relay
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Figure SDG25S-8E1
A130841
BTW Equipment Supply LLC dba Airman Arizona • www.btwequipmentsupply.com www.airmanarizona.com
SDG45S-8E1
Instruction Manual
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