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ABB / General Electric TQC1140 Molded Case Circuit Breaker

  • 40A
  • 1 Pole
  • Unit Mount
ABB / General Electric TQC1140
Molded Case Circuit Breaker
Brand ABB / General Electric
SKU TQC1140
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  • 40A
  • 1 Pole
  • Unit Mount

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ABB / General Electric TQC1140 - 40A 1 Pole Molded Case Circuit Breaker

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Description

Delivering robust power distribution, the GE TQC1140 40A, 1-pole molded case circuit breaker handles versatile applications. Featuring a unit mount footprint with integrated line and load lugs, it perfectly suits feed-through wiring in industrial control panels and standalone enclosures. This Q-Line device carries a 10 kAIC rating at 120/240V and offers fixed thermal-magnetic trip functionality. For modern system upgrades, this unit crosses over to the THQC1140WL replacement breaker.

Specifications

Key specifications
Brand ABB / General Electric
Part Number TQC1140-R
Series TQC
Amperage 40A
Poles 1
Mounting Style Unit Mount
Voltage 120VAC, 120/240VAC
Phase 1
AIC Rating 10kA @ 120VAC, 10kA @ 120/240VAC
Fit and installation
Frame Type TQC
Terminal Type Box Lugs
For Use With Individual Enclosures, Control Panels
Wire Gauge 8-3 AWG (Cu), 8-3 AWG (Al)
Max Wire 3 AWG
Min Wire 8 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Padlock Attachment
Accessories Line and Load Lugs Included
Standards HACR, UL 489
Approval UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Quick-Make/Quick-Break, Visual Trip Indicator

Product FAQs

6 answers
Can I install the TQC1140 in a standard GE residential load center?

No. The TQC1140 is a unit-mount circuit breaker designed for individual enclosures and control panels. It does not plug into the busbars of standard GE residential load centers, which typically require THQL or THQP plug-in breakers.

How is the GE TQC1140 mounted?

This breaker features a unit-mount design. It is typically secured to a backplate or mounting base, such as the TQCBMPA1 screw-type plate, inside a control panel or individual enclosure rather than snapping onto a panelboard bus.

What type of wire connections does this breaker use?

The TQC1140 is a feed-thru breaker equipped with box lugs. This allows for direct wire connections without needing a busbar. It accepts 8-3 AWG copper or aluminum wire.

What does the LI trip function code mean on this breaker?

The LI designation indicates that the breaker uses a thermal-magnetic trip unit providing Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both settings are fixed on this 40A model.

Are GE TQC1140 and THQC1140 breakers interchangeable?

Yes. In GE nomenclature, the TQC and THQC prefixes for this frame size both represent 1-inch wide, unit-mount (cable-in/cable-out) breakers. They are functionally identical and often listed together as direct replacements.

Does the TQC1140 provide arc-fault (AFCI) or ground-fault (GFCI) protection?

No. The TQC1140 is a standard thermal-magnetic circuit breaker. It provides protection against overloads and short circuits but does not include built-in AFCI or GFCI circuitry.

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