Eaton / Cutler-Hammer QCHW2040 Miniature Circuit Breaker
- 40A
- 2 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer QCHW2040 - 40A 2 Pole Miniature Circuit Breaker
New
Quantity
Description
Built for commercial and industrial applications, the Eaton QCHW2040 is a 40A miniature breaker from the Quicklag family. It provides reliable thermal-magnetic protection. This unit-mount breaker utilizes a cable-in/cable-out configuration, making it ideal for control panels and enclosures. It can be adapted for DIN rail installations using a separate clip. With a 22kAIC rating at 120/240VAC, this HACR-rated breaker includes box lugs for immediate wire termination.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | QCHW |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | BAB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Control Panels, Enclosures, DIN Rail (with adapter) |
| Wire Gauge | 14-4 AWG (Al/Cu) |
| Max Wire | 4 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
6 answersHow is the Eaton QCHW2040 circuit breaker mounted?
This breaker features a cable-in/cable-out design for unit mounting. It is commonly installed in control panels and enclosures and can also be mounted on a standard DIN rail using a compatible adapter clip.
What is the difference between the Eaton QCHW2040 and the QC2040?
The primary difference is the short circuit interrupting rating. The QCHW2040 is rated for 22kAIC at 120/240VAC, while the standard QC2040 is rated for 10kAIC. Both share the same physical dimensions and cable-in/cable-out mounting style.
Can I install the QCHW2040 on a DIN rail?
Yes, although it is a unit mount breaker, it can be installed on a standard 35mm DIN rail by using the Eaton QCDINADAPT adapter clip.
Is the Eaton QCHW2040 HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment that requires this specific safety designation.
Does the QCHW2040 have an adjustable trip setting?
No, this breaker features a fixed thermal-magnetic trip unit with non-interchangeable long-time and instantaneous trip functions.
What type of wire connections does the QCHW2040 use?
It is equipped with box lugs on both the line and load sides, accepting 14 to 4 AWG aluminum or copper wire for direct cable-in/cable-out termination.
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