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Cutler Hammer RHFA3040L - Molded Case 40A 600V 3-Pole

Cutler Hammer
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Cutler Hammer RHFA3040L Circuit Breaker is a 3-pole molded case circuit breaker from the HF Series, designed to provide overcurrent protection through long-time and instantaneous (LI) trip functions. This unit is rated for 40A continuous current at 600VAC, three-phase, with an interrupting capacity of 25kA at 480VAC. The breaker features a thermal-magnetic protection mechanism, a feed-thru connection style, and weighs 11 lb, constructed for robust industrial environments. It complies with applicable industry standards for molded case circuit breakers, ensuring reliable performance in distribution panels and switchboards. Typical applications include motor control centers, lighting panels, and general industrial power distribution systems where precise LI protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HF Series, Thermal-Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, motor control, lighting panels
  • Switch Type: Thermal-magnetic trip unit
  • Configuration: 3-pole, feed-thru connection
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.5 in x 3.5 in x 6.0 in (approx)
  • Phase: 3
  • Voltage: 600V AC
  • Amperage: 40A
  • AIC rating: 25kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: HF Series
  • Trip Type: Thermal-magnetic
  • Panel Type: Distribution panel, switchboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Copper or aluminum conductors
  • Panel Style: Industrial
  • Bus Type: Feed-thru
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C (typical)
  • Inductance: Not applicable
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Standard
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 40A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 40A
  • Full Load Amp Minimum: 40A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 40A
  • Amperage Minimum: 40A
  • Nema Rating: Not specified
  • Switch Style: Thermal-magnetic
  • Wire Size: #14 to #4 AWG (typical)
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Feed-thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: HF Series
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HF
  • Current Rating: 40A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available