Schneider Electric Square D Double Pole 40 Amp QO Plug-On Circuit Breaker


QO 40-Amp Double-Pole Circuit Breaker

QO Circuit Breakers provide the high level of protection you expect from Square D. When it comes to electrical protection, fast response is critical and QO Circuit Breakers can trip faster than the blink of an eye. Trip reaction within 1/60th of a second. The exclusive QO Visi-Trip instantly identifies a tripped circuit breaker with a red indicator window. The Visi-Trip reduces the number of call backs, as well as the chance that other circuits will be turned off accidentally. This breaker will work only in Square D QO branded residential panels. Typical application for a double pole 40 Amp breaker include overload and short circuit protection for electric ranges.

  • Provides overload and short circuit protection (120/240 Vac)
  • Exclusive Visi-Trip red indicator
  • 10,000 Amperes Interrupting Rating (AIR)
  • HACR type for use with air conditioning, heating and refrigeration equipment having motor group combinations and marked for use with HACR type circuit breakers
  • Accepts aluminum or copper conductors
  • Slot/Robertson screws for wire termination
  • Can padlock breaker in on or off position
  • Limited lifetime warranty


Amps (Amps) 40.00
Circuit Breaker Size 0.75 inch
Circuit Breaker Type Standard trip
Circuit Breaker Voltage 240
Csa Safety Listing
Etl Safety Listing
Ground Fault Protection No self test
Interrupting Amp Listing (Amps) 10000.00
Number Of Poles 2.00
Phase Single phase (120/240)
Plug-On Neutral
Power Capacity 40-amp
Series QO
Series Name QO
Surge Protection
Type Standard trip
Ul Safety Listing
Width Measurement 3/4-in





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