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Eaton Cutler-Hammer Series C Circuit Breakers HFDDC3040L

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HFDDC3040L

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The HFDDC3040L from Eaton Cutler-Hammer is a DC-powered molded case circuit breaker. Designed for three-phase operations, it features a current rating of 40 A and can handle voltages up to 600 VAC and 125 VDC.

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Technical specifications for HFDDC3040L

ManufacturerEaton Cutler-Hammer
Product TypeDC-Powered Molded Case Circuit Breaker
Product LineSeries C Circuit Breakers
Part NumberHFDDC3040L
Weight6.31 lbs (2.86 kg)
UPC786679056387
Breaker TypeHFD
Frame TypeF-Frame
Current Rating40 A
Pole Count3 Poles
Phase Count3 Phase
Voltage Rating (AC)600 VAC
Voltage Rating (DC)125 VDC
Interrupt Rating42 kAIC at 600 V
Trip TechnologyThermal-Magnetic
Thermal TripFixed
Trip TypeT186
Terminal ConfigurationLine And Load Terminals

The Eaton Cutler-Hammer HFDDC3040L is engineered as a DC-powered molded case circuit breaker specifically designed for three-phase applications. This device is rated for a current of 40 Amperes and can operate under AC voltages of up to 600 VAC and DC voltages up to 125 VDC.

The HFDDC3040L falls under the Series C classification, identified as an HFD breaker type that features an F-frame construction for structural integrity. Each unit weighs 6.3 lbs, making installation straightforward. With three poles integrated into its configuration, this circuit breaker can efficiently manage multiple phase requirements.

The thermal-magnetic trip technology within the HFDDC3040L utilizes a fixed thermal trip mechanism, specifically utilizing trip type T186 to provide reliable operation in both overload and short-circuit scenarios. Furthermore, this unit possesses an impressive interrupting capacity of 42 kAIC at 600 V, ensuring safety during fault conditions. Its terminals are designed for quick and secure connections on both the line and load sides, contributing to efficient installation and functionality.