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Eaton / Cutler-Hammer QCR1020T Miniature Circuit Breaker
- 20A
- 1 Pole
- DIN Rail
Eaton / Cutler-Hammer
QCR1020T
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
QCR1020T
Quantity
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Eaton / Cutler-Hammer QCR1020T - 20A 1 Pole Miniature Circuit Breaker
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Description
Part of the Quicklag series, this single-pole 20A miniature circuit breaker is designed for commercial and industrial applications. It features a half-inch wide profile to save valuable enclosure space while delivering reliable thermal-magnetic protection. The unit installs onto standard 35mm DIN rails and is frequently utilized in telecom power systems or OEM control panels. Rated for 10 kAIC at 120/240V, it includes stud/tapped pad terminals to accommodate ring or spade lugs.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | QCR |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | DIN Rail |
| Voltage | 120/240VAC, 24-48VDC, 62.5VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 3kA @ 24-48VDC, 3kA @ 62.5VDC |
| Frame Type | QCR |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| 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 | Lugs Not Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, SWD, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Non-Interchangeable Trip |
Product FAQs
7 answersWhat type of wire connections does the QCR1020T use?
The T suffix indicates this breaker is equipped with stud and tapped pad terminals. It includes #10-32 terminal screws, making it suitable for line and load side ring or spade lug connections.
How is the Eaton QCR1020T circuit breaker mounted?
This breaker features a rear mounting design equipped with a spring-loaded release, allowing it to snap directly onto standard 35mm DIN rails. It is commonly used in OEM control panels and telecom power systems.
How much space does the QCR1020T require on a DIN rail?
This single-pole breaker features a compact 1/2-inch wide profile, which helps save valuable space inside control panels and equipment enclosures.
Is the QCR1020T rated for switching fluorescent lighting loads?
Yes, this 20-amp Quicklag breaker is switching duty rated (SWD), meaning it can be safely used to switch fluorescent lighting circuits on and off on a regular basis.
Can this breaker be used for heating, air conditioning, and refrigeration equipment?
Yes, Eaton Quicklag miniature circuit breakers in this amperage range are HACR rated for use with compatible HVAC and refrigeration equipment.
Can the QCR1020T be used in DC power systems?
Yes, in addition to its AC ratings, this breaker is rated for 3kAIC at 62.5VDC. This makes it suitable for specific telecom power systems and other compatible DC applications.
What type of trip mechanism does the QCR1020T utilize?
It uses a non-interchangeable thermal-magnetic trip unit. This provides both a long-time thermal response for overload protection and an instantaneous magnetic response for short-circuit protection.
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