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Overview

The THQB32040ST1 is a 40 A, 3-pole GE / ABB Q-Line THQB bolt-on thermal-magnetic circuit breaker with shunt-trip accessory for compatible panelboards. Rated 240 VAC with 10 kA interrupting capacity.

  • 40 A, 3-pole common-trip breaker
  • 240 VAC, 10 kAIC
  • Bolt-on mounting for compatible Q-Line equipment
  • Fixed thermal-magnetic protection
  • Shunt-trip accessory; verify control voltage on unit label

Verify panelboard compatibility and terminal requirements before ordering.

Specifications

Brand ABB / GE
Product Type Miniature Circuit Breaker
Series Q-Line THQB
Frame Size Q-Line
AC Voltage Rating 240 V
Current Rating 40 A
Interrupt Rating 10 kA @ 240 V
Trip Type Fixed
Trip Mechanism Thermal Magnetic
Number of Poles 3
Mounting Type Bolt-On
Trip Function Common Trip
Manufacturer Part Number THQB32040ST1
Shunt Trip Factory Installed
UPC 783164034110

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Shane P.

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“Patrick is top notch. We placed several urgent orders and called multiple audibles to close our outage on time. Coordination and support were impeccable — the project was a success for Pincence Electric in Lawrence, MA.”

John A.

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“100% recommended. The breaker was purchased with its Trip Unit and Lug. Fast shipping and a very trustworthy company.”

Chris F.

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“Great service, fast free shipping, and the product was excellent! First time customer, but definitely not the last.”

William C.

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Charles E.

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“Had a minor issue with the order which was resolved immediately. Thank you.”

Derek M.

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“The breaker I ordered arrived in great condition and was a perfect fit for my job. It was exactly what I needed. Thank you.”

Garth T.

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“Excellent service, super-fast shipping, worked great, and a good price for hard-to-find breakers.”

Charlotte B.

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“Very happy with the entire experience.”

Richard B.

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“Great service and received product quickly. Will use them again!”

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Ramon J.

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“I received it and installed it (tested it and worked fine).”

Win R.

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“Only place I could find this breaker. Thanks again!”

Gabriel M.

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“Purchased satisfactorily and received on the established date. Recommended.”

Lamar T.

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“Good product, came in a timely manner.”

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“Great prices, fast shipping.”

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