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Eaton / Cutler-Hammer QCR2020 Miniature Circuit Breaker
- 20A
- 2 Pole
- DIN Rail
Eaton / Cutler-Hammer
QCR2020
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
QCR2020
Quantity
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Eaton / Cutler-Hammer QCR2020 - 20A 2 Pole Miniature Circuit Breaker
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Description
Built for industrial and commercial environments, this 20-amp Quicklag miniature circuit breaker provides robust thermal-magnetic trip functions. The two-pole device features standard box lug terminals for straightforward cable-in/cable-out wiring. It mounts onto 35mm DIN rails, making it an excellent choice for OEM control panels and telecommunications equipment. With a 10 kAIC interrupt rating at 120/240V and HACR certification, it ensures reliable performance in demanding applications.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | QCR |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 120/240VAC, 48VDC, 62.5VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 3kA @ 48VDC, 3kA @ 62.5VDC |
| Frame Type | QCR |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | DIN Rail, OEM Control Panels, Telecom Power Systems |
| Wire Gauge | 14-4 AWG |
| 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, Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip |
Product FAQs
6 answersHow is the Eaton QCR2020 circuit breaker mounted?
The QCR2020 is designed for 35mm DIN rail mounting, but it also supports rear or chassis mounting configurations. It is commonly installed in OEM control panels and telecom power systems.
What type of wire connections does the QCR2020 use?
This breaker features standard box lug terminals configured for cable-in and cable-out feed-thru connections. The lugs accept wire sizes ranging from 14 AWG to 4 AWG.
Can I use the QCR2020 in a standard residential load center?
No. The QCR2020 is an industrial miniature circuit breaker designed for DIN rail or chassis mounting in control panels and machinery. It is not compatible with standard residential plug-on or bolt-on load centers.
What are the DC voltage ratings for the Eaton QCR2020?
In addition to its standard AC ratings, the QCR2020 is rated for direct current applications. It provides a 3 kAIC interrupting capacity at both 48VDC and 62.5VDC.
What type of trip unit is equipped on the QCR2020?
This breaker utilizes a fixed thermal magnetic trip unit. It provides both long-time thermal protection against overloads and instantaneous magnetic protection against short circuits.
Is the Eaton QCR2020 suitable for HVAC equipment?
Yes, this breaker is HACR rated. It is approved for use with heating, air conditioning, and refrigeration equipment that requires group motor protection.
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