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SQUARE-D QO240 PlugOn Breaker 40A 120/240VAC 2-Pole

$33.48
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Details

SQUARE-D Breaker QO240 PlugOn 40A 120/240VAC 2-Pole

Miniature Square D Circuit Breakers. Square D by Schneider Electric.

SQUARE-D QO240 PlugOn Breaker Characteristics:

• Line Rated Current: 40 A
• Certifications: CSA / UL listed
• System Voltage: 120/240 V AC
• Mounting Type: Plug-in
• Number of Poles: 2P
• Circuit Breaker Type: Standard
• Ratings: HACR rated
• Electrical Connection: Box lugs
• Interrupt Rating: 5 kA at: 48 V DC
• Number of Panel Spaces: 2
• Wire Size: AWG 8...AWG 2 (copper or aluminium)


Why Need Plug-On Breaker?
QO (plug-on) and QOB (bolt-on) one-, two- and three-pole thermal-magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. Plug-on QO circuit breakers are for use in QO load centers, NQ and NQOD panelboards, OEM mounting bases, and Speed-D® switchboard distribution panels. Bolt-on QOB circuit breakers are for use in NQO and NQOD panelboards.

QO and QOB circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication. The tripping mechanisms in two-and three-pole circuit breakers operate such that an overcurrent on any pole of the circuit breaker will cause all poles of the circuit breaker to open simultaneously. Each pole has an individual thermal-magnetic trip element calibrated for 40°C ambient temperature.

QO and QOB circuit breakers have Visi-Trip® trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. When the circuit breaker has tripped, the handle assumes a center position and the red Visi-Trip indicator appears in a window in the circuit breaker case. The Visi-Trip indicator is only visible when the circuit breaker has tripped. Trip indication immediately distinguishes the circuit from any other circuit which is merely in the on or off position. The circuit breaker can be reset by pushing the handle to OFF and then to ON.

Characteristics

  • Manufacturer: Schneider Electric (Square-D)
  • Model: QO240
  • Length [mm (in)]: 79 mm (3.12 in)
  • Width [mm (in)]: 38 mm (1.5 in)
  • Depth [mm (in)]: 74 mm (2.91 in)
  • Weight [kg (lb)]: (0.57 lb)

Breakers

  • Circuit Breaker Amps [A]: 40
  • Poles: 2
  • AC Voltage Rating [Vac]: 120/240