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Square D HDA261101 - 110A 2-Pole Molded Case Breaker

Square D
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The Square D HDA261101 is a Powerpact molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. This 2-pole, 110A unit operates at 600VAC with an 18kA interrupting capacity at 480V, utilizing long time and instantaneous trip functions for coordinated fault isolation. The breaker measures 6.4 in x 4.09 in x 3.4 in (163 mm x 104 mm x 86 mm), weighs 3.001 lb, and features an I-Line style plug-in connection accepting AWG 14 to AWG 3/0 aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with a temperature rating of -13°F to 158°F (-25°C to 70°C). This single-phase unit is suited for panelboard and switchboard applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 110A
  • 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 power distribution, branch circuit protection
  • Switch Type: I-Line Style Plug-In
  • Configuration: 2 Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 600V
  • Amperage: 110A
  • AIC rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Powerpact
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: HDA
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: N/A
  • Insulation Temperature: Not specified
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: I-Line Plug-In
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 110A
  • Dist Voltage: Not specified
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 110A
  • Full Load Amp Minimum: 110A
  • Enclosure: Not specified
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: AWG 14 to AWG 3/0
  • Amperage Maximum: 110A
  • Amperage Minimum: 110A
  • Nema Rating: Not specified
  • Switch Style: I-Line Plug-In
  • Wire Size: AWG 14 to AWG 3/0
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: Powerpact
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: Powerpact
  • Current Rating: 110A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901754381