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Square D EDB34020LH - 20A 3-Pole Molded Case Breaker

Square D
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Square D EDB34020LH is a 3-pole molded case circuit breaker from the EDB Series, designed for thermal-magnetic protection in NF panelboards. It is rated for 20A at 480V AC with an 18kA interrupting capacity, providing long-time and instantaneous (LI) trip functions. This bolt-on breaker measures 5.66 in x 2.94 in x 4.05 in, weighs 3.48 lb, and features lug terminals accepting AWG 14 to 2/0 copper or AWG 12 to 2/0 aluminum wire. It complies with cULus and IEC standards, operates at a temperature rating of 104°F (40°C), and is suitable for 3-phase industrial applications.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 480V
  • Current Rating: 20A
  • Dimensions: 5.66 in (143.76 mm) x 2.94 in (74.68 mm) x 4.05 in (102.87 mm) (Height x Width x Depth)
  • Standards: cULus, IEC
  • Applications: Industrial panelboard protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 104°F (40°C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 20A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: EDB
  • Trip Type: Thermal Magnetic
  • Panel Type: NF panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: NF
  • 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: 60 Hz (typical)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 2/0 copper; AWG 12...AWG 2/0 aluminum
  • Amperage Maximum: 20A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: AWG 14...AWG 2/0 copper; AWG 12...AWG 2/0 aluminum
  • Certification: cULus, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz (typical)
  • Phase Connection: 3-Phase
  • Standards: cULus, IEC
  • Compatible Frames: EDB
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: EDB
  • Current Rating: 20A
  • 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°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901638582
  • GTIN: 00785901638582