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Eaton Cutler-Hammer Series C Circuit Breakers HFD3040

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HFD3040

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The HFD3040 from Eaton Cutler-Hammer is a molded case circuit breaker with a rated current of 40 A. It is suitable for both AC and DC applications and features three poles for effective circuit management.

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Ships from Raleigh, NC
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Technical specifications for HFD3040

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Circuit Breaker
Product LineSeries C Circuit Breakers
Part NumberHFD3040
Weight4.31 lbs (1.96 kg)
UPC786679175842
Rated Current40 A
Number of Poles3 Poles
Voltage Rating (AC)600 VAC
Voltage Rating (DC)250 VDC
Interrupting Rating (AIC at 240 VAC)100 kAIC
Interrupting Rating (AIC at 480 VAC)65 kAIC
Interrupting Rating (AIC at 600 VAC)25 kAIC
Trip TypeFixed Thermal, Fixed Magnetic
Minimum Frequency50 Hz
Maximum Frequency60 Hz

The Eaton Cutler-Hammer part number HFD3040 is engineered as a molded case circuit breaker designed for reliable electrical protection. It supports a rated current of 40 Amperes and is configured with three poles, making it ideal for managing three-phase electrical circuits. The breaker is rated for a maximum voltage of 600 VAC for AC operations and can handle up to 250 VDC for direct current applications.

For effective fault protection, the HFD3040 circuit breaker is equipped with interrupting ratings of 100 kAIC at 240 VAC, 65 kAIC at 480 VAC, and 25 kAIC at 600 VAC. These ratings indicate its capability to withstand substantial electrical surges, safeguarding the connected circuits. This model employs both fixed thermal and magnetic trip types, ensuring that it reacts swiftly to faults.

Additionally, it operates efficiently within a frequency range starting at 50 Hz up to a maximum of 60 Hz, making it adaptable for a variety of applications. Weighing 4.3 lbs, the HFD3040 provides a compact and efficient solution for effective circuit management while ensuring safety and operational integrity.