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Square D PKSB1HA - 1A Miniature Circuit Breaker (120/240VAC)

Square D
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Square D PKSB1HA is a miniature circuit breaker designed for overcurrent protection in electrical distribution systems. It is rated for 120/240 VAC and 1 ampere, providing precise low-current protection for sensitive circuits. The unit features a compact, molded case construction with a thermal-magnetic trip mechanism, weighing 0.1 lb and manufactured in the United States by Schneider Electric. It complies with UL 489 and CSA standards, ensuring reliable performance in residential and light commercial load centers. This breaker is typically used for protecting lighting, control, or small appliance circuits in panelboards.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic trip
  • Voltage Rating: 120/240 VAC
  • Current Rating: 1 A
  • Dimensions: Compact molded case
  • Standards: UL 489, CSA
  • Applications: Residential and light commercial load centers
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240 VAC
  • Amperage: 1 A
  • AIC rating: 10 kA
  • Connection: Plug-in
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Overload and short circuit
  • Frame Size: PKS
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Miniature
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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: Plug-in
  • Hz: 60
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: None
  • CPT: None
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 1 A
  • Amperage Minimum: 1 A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: PKS
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: PKS
  • Current Rating: 1 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901468639
  • GTIN: 00785901468639