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Square D EDB24040SA - 2-Pole 40A Shunt Trip Breaker

Square D
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The Square D EDB24040SA is a 2-pole molded case circuit breaker designed for overcurrent and short-circuit protection in commercial and industrial power distribution systems. It is rated for 40A at 480Y/277V AC, with an interrupting capacity of 18kA at 480V, and features a thermal-magnetic trip mechanism providing long-time and instantaneous (LI) protection. This bolt-on breaker measures 5.66 in x 2.94 in x 4.05 in (Height x Width x Depth), weighs 3.17 lb, and includes a 120V shunt trip for remote disconnection, with lug terminals accepting wire sizes from 14 AWG (Cu) to 6 AWG (Al/Cu). It is cULus and IEC certified, compliant with applicable standards, and is designed for use in Square D NF panelboards. Typical applications include branch circuit protection in lighting, motor, and general industrial loads within a 125A/EDB frame.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic, Shunt Trip
  • Voltage Rating: 480Y/277V AC
  • Current Rating: 40A
  • 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: Commercial and industrial branch circuit protection
  • Switch Type: Shunt Trip
  • Configuration: 2-Pole, Bolt-On
  • Coil Voltage Maximum: 120V
  • Temp Rating: 104 °F (40 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 480Y/277V
  • Amperage: 40A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 125A/EDB
  • Trip Type: Thermal-Magnetic
  • Panel Type: Square D NF Panelboards
  • Breaker Type: Shunt Trip
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: 120V
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 6 AWG
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-On
  • Hz: 50/60 Hz (typical)
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 40A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Shunt Trip
  • Wire Size: 14 AWG (Cu) to 6 AWG (Al/Cu)
  • Certification: cULus, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz (typical)
  • Phase Connection: 1-Phase
  • Standards: cULus, IEC
  • Compatible Frames: 125A/EDB
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/EDB
  • Current Rating: 40A
  • 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: 785901545804
  • GTIN: 00785901545804