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GE THQB three-pole bolt-on breaker with grey toggle and lug terminals

GE

GE THQB32080 circuit breaker 80A 3 pole 240V AC 10kA

SKU CH-1SHJ-BEYZX

Three-pole 80 A breaker rated 240 V AC with a 10 kA interrupting capacity for lighting panels and load centres

  • 80 A three-pole protection for 120/240 V AC panels
  • 10 kA interrupting rating clears heavy fault currents
  • Bolt-on mounting fits GE THQB load centres directly
  • UL Listed for code-compliant installations
  • Accepts 6 AWG to 1/0 AWG conductors for flexible wiring

Three-pole 80 A breaker for 120/240 V panels

The GE THQB32080 is a bolt-on miniature circuit breaker rated at 80 amps across three poles for 120/240 V AC systems. It carries a 10 kA interrupting rating at that voltage and fits lighting panels or load centres that accept the 100 A THQ frame. Terminal lugs accept conductors from 6 AWG up to 1/0 AWG.

For commercial and residential three-phase loads

This breaker suits electricians wiring three-phase lighting, heating or motor circuits in panels built for the THQ bolt-on format. It is not for DC applications, single-pole or two-pole branch circuits, or panels that require plug-in or DIN-rail mounting. Installers needing a higher interrupting rating or a different frame size must select another device.

10 kA interrupting capacity at 120/240 V AC

The 10 kA AIR rating is the single figure that determines whether this breaker can safely clear a fault on the supply side of the installation. Verify that the available short-circuit current at the panel does not exceed this value before specifying the THQB32080.

Highlights

  • 80 A three-pole protection for 120/240 V AC panels
  • 10 kA interrupting rating clears heavy fault currents
  • Bolt-on mounting fits GE THQB load centres directly
  • UL Listed for code-compliant installations
  • Accepts 6 AWG to 1/0 AWG conductors for flexible wiring

Specifications

BrandGE

Questions about this item

How do I bolt the THQB32080 into a 100 A load-center bus and what torque should I use on the lug screws?

The breaker mounts by bolting directly onto the panel bus. Use 6 AWG to 1/0 AWG copper wire and tighten the lug screws to the torque value printed on the breaker label or listed in the panel manufacturer's instructions.

What part will need replacement after the THQB32080 interrupts a fault current near its 10 kA rating?

After a high-level fault interruption the breaker itself should be replaced, as the internal contacts and trip mechanism can suffer hidden damage even if the toggle resets normally.

At what continuous current will the THQB32080 trip first when the panel interior reaches its rated temperature?

The breaker is calibrated to carry 80 A continuously at 40 °C ambient; sustained loads above 80 A will cause the thermal element to trip before the magnetic instantaneous function operates.

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