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Square D HDF36025 - Molded Case Circuit Breaker 25A 600V 3-Pole

Square D
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The Square D HDF36025 is a 3-pole molded case circuit breaker from the Powerpact family, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 25A continuous current, and provides an interrupting capacity of 18kA at 480V, with LI (Long-Time and Instantaneous) trip functions. This H Frame breaker measures 6.4 in x 4.09 in x 3.4 in (163 mm x 104 mm x 86 mm), weighs 3.999 lb, and features a bolt-on connection with wire size acceptance from AWG 14 to AWG 3/0 aluminum/copper terminals (lugs not included). It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with an operating temperature range of 28-158 °F (-2-70 °C). Typical applications include branch circuit protection in industrial control panels, motor control centers, and switchboards requiring 3-phase, 600V AC service.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact H Frame, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 25A
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (H x W x D)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial branch circuit protection, motor control centers, switchboards
  • Switch Type: Molded Case
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 25A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: H Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Bolt-On
  • Hz: 50/60 Hz (typical for IEC 60947-2)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 25A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 25A
  • Full Load Amp Minimum: 25A
  • Enclosure: Not included
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 3/0 aluminum/copper
  • Amperage Maximum: 25A
  • Amperage Minimum: 25A
  • Nema Rating: Not specified
  • Switch Style: Molded Case
  • Wire Size: AWG 14...AWG 3/0
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: H Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: H Frame
  • Current Rating: 25A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable