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Eaton Cutler-Hammer Series C Circuit Breakers HFD2040

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HFD2040

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The HFD2040 by Eaton Cutler-Hammer is a molded case circuit breaker engineered for effective electrical protection. It offers a rated current of 40 Amps and operates at voltages of up to 600 VAC and 250 VDC.

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Technical specifications for HFD2040

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Circuit Breaker
Product LineSeries C Circuit Breakers
Part NumberHFD2040
Weight3.06 lbs (1.39 kg)
UPC786679175415
Rated Current40 A
Number of Poles2 Poles
Voltage Rating (AC)600 VAC
Voltage Rating (DC)250 VDC
Interrupting Rating (AIC) at 240 VAC100 kAIC
Interrupting Rating (AIC) at 480 VAC65 kAIC
Interrupting Capacity (AIC) at 600V AC25 kAIC
Trip TypeFixed Thermal, Fixed Magnetic
Protection FunctionsLI (Long-Time and Instantaneous)

Eaton Cutler-Hammer’s HFD2040 is a robust molded case circuit breaker designed for use in various electrical applications. Weighing 3.05 lbs, this compact unit supports a rated current of 40 A and is structured with two poles, making it efficient for circuit protection. The device operates at a maximum voltage rating of 600 VAC for alternating current (AC) systems and 250 VDC for direct current (DC) applications, providing versatility in its usage across different environments.

The HFD2040 offers strong interrupting capabilities, managing fault conditions with an interrupting rating of 100 kAIC for 240 VAC, 65 kAIC at 480 VAC, and 25 kAIC at 600 VAC. This rated robustness ensures that the circuit breaker can handle short circuits effectively. The trip characteristics of this breaker utilize fixed thermal and fixed magnetic mechanisms, ensuring immediate and reliable responses during electrical faults.

Furthermore, the HFD2040 implements protection functions classified as LI, which include both long-time and instantaneous trip settings. This feature allows the device to address varying fault conditions effectively, enhancing safety and operational reliability in electrical systems. Overall, the HFD2040 is a crucial component that delivers dependable circuit protection in a range of applications.