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Square D HDA36100UO - Molded Case Circuit Breaker 100A 600V 3-Pole

Square D
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Square D HDA36100UO is a 3-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It carries a 100A current rating at 600VAC, with an interrupting capacity of 18kA at 480VAC, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. This unit weighs 6 lb and features an I-Line style plug-in connection for direct bus mounting in switchboards and panelboards. It complies with UL and NEMA standards for molded case circuit breakers. Typical applications include motor control centers, distribution panels, and industrial machinery requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA series, thermal magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: Standard molded case form factor
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Switch Type: Molded case
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard packaging
  • Phase: 3
  • Voltage: 600V
  • Amperage: 100A
  • AIC rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: HDA
  • Trip Type: Thermal magnetic
  • Panel Type: I-Line compatible
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Molded case
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-in
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 100A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 100A
  • Amperage Minimum: 0A
  • Nema Rating: Not specified
  • Switch Style: Molded case
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: Powerpact HDA
  • Installation Type: Plug-in
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HDA
  • Current Rating: 100A
  • 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