Eaton / Cutler-Hammer CHQ235 Miniature Circuit Breaker
- 35A
- 2 Pole
- Plug-On
Eaton / Cutler-Hammer
CHQ235
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHQ235
Quantity
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Eaton / Cutler-Hammer CHQ235 - 35A 2 Pole Miniature Circuit Breaker
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Description
Part of Eaton's specialized classified line, this 35A two-pole breaker delivers essential overload and short-circuit protection. The CHQ235 is engineered to provide a dependable solution for 240V residential circuits. This plug-on unit is UL classified to fit into Square D QO panelboards. Taking up two 3/4-inch spaces, it acts as an exact replacement for the QO235. Featuring a 10kAIC interrupt rating, the HACR-rated design includes a common trip function and accepts #14-8 AWG wiring.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHQ235 |
| Series | CHQ |
| Amperage | 35A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Square D QO Load Centers |
| Wire Gauge | (1) 14-8 AWG (Cu/Al) or (2) 14-10 AWG (Cu/Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Standards | UL 489 |
| Approval | UL, cUL |
| Temp Rating | 40C |
| Construction Features | Classified for use in Square D QO Panelboards, Common Trip, HACR Rated |
Product FAQs
8 answersWhat load centers are compatible with the Eaton CHQ235?
The CHQ235 is a UL-classified replacement breaker designed exclusively for use in Square D QO load centers. It is not compatible with Eaton CH, Eaton BR, or Square D Homeline panels.
Which Square D circuit breaker does the Eaton CHQ235 replace?
This breaker is a direct UL-classified cross-reference for the Square D QO235 35-amp, 2-pole circuit breaker.
How much panel space is required to install the CHQ235?
This 2-pole breaker requires two 3/4-inch spaces in a compatible Square D QO load center.
What wire sizes and materials are supported by the CHQ235 terminals?
The box lugs accept either a single 14-8 AWG wire or two 14-10 AWG wires. Both copper (Cu) and aluminum (Al) conductors are supported.
Is it code-compliant to install an Eaton CHQ breaker in a Square D QO panel?
Yes. Eaton CHQ series breakers are UL-classified (under UL 489) specifically for use as direct replacements in Square D QO load centers, satisfying National Electrical Code (NEC) requirements for classified replacement components.
What does the thermal-magnetic trip function on the CHQ235 provide?
The thermal-magnetic (LI) mechanism provides two layers of protection: a long-time thermal response to prevent overheating from sustained overloads, and an instantaneous magnetic response to quickly clear short circuits.
Can the CHQ235 be installed in an Eaton CH load center?
No. Although Eaton CH panels also use 3/4-inch breaker spaces, the CHQ series features a different mounting clip designed specifically to fit the busbars of Square D QO panels. You must use standard Eaton CH breakers for CH panels.
Is the 10 kAIC interrupting rating on the CHQ235 sufficient for my application?
A 10 kAIC (kilo-ampere interrupting capacity) rating is the standard fault current rating for most residential and light commercial 120/240V AC load centers. Always verify the available fault current at your panel to ensure 10 kAIC meets your local requirements.
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