Square D EDB14040 - Molded Case Circuit Breaker 40A 1P
Square D EDB14040 - Molded Case Circuit Breaker 40A 1P

Square D EDB14040 - Molded Case Circuit Breaker 40A 1P

Square D
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Square D EDB14040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 277V voltage rating, housed within a compact, single-pole bolt-on design measuring 143.76 mm H x 24.89 mm W x 102.87 mm D and weighing 1.36 lb. The breaker is constructed with thermal-magnetic LI trip functions for coordinated protection and complies with cULus and IEC standards, ensuring suitability for NF panelboards and other demanding single-phase applications where an 18kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal-Magnetic Protection
  • Voltage Rating: 277V AC
  • Current Rating: 40A
  • Dimensions: 5.66 in (143.76 mm) H x 0.98 in (24.89 mm) W x 4.05 in (102.87 mm) D
  • Standards: cULus, IEC
  • Applications: NF Panelboards, Industrial & Commercial Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Single Pole
  • Coil Voltage Maximum: Not Applicable
  • Temp Rating: 104°F (40°C)
  • Shipping Dimensions: See Dimensions
  • Phase: 1
  • Voltage: 277V
  • Amperage: 40A
  • AIC Rating: 18kA @ 480V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Frame Size: 125A/EDB
  • Trip Type: Thermal Magnetic
  • Panel Type: NF Panelboard
  • Breaker Type: Standard
  • Control Voltage Minimum: Not Applicable
  • Control Voltage Maximum: Not Applicable
  • MCM Size: Min. 12 AWG (Al) / 14 AWG (Cu); Max. 6 AWG
  • Metal Type: Not Specified
  • Panel Style: NF
  • Bus Type: Not Specified
  • Fuse Class: Not Applicable
  • Insulation Temperature: Not Specified
  • Inductance: Not Specified
  • Impedance: Not Specified
  • Barrels: Not Applicable
  • Class Rating: Not Specified
  • Diameter: Not Applicable
  • Velocity: Not Applicable
  • Clip Center: Not Applicable
  • Class: Not Specified
  • Mounting: Bolt-On
  • Hz: 50/60 Hz
  • Coil Material: Not Applicable
  • Horse Power: Not Specified
  • Aux Contacts: None
  • CPT: Not Applicable
  • 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: Molded Case
  • Relay Style: Not Applicable
  • Coil Voltage Minimum: Not Applicable
  • Wire: Copper/Aluminum
  • Amperage Maximum: 40A
  • Amperage Minimum: Not Applicable
  • Nema Rating: Not Specified
  • Switch Style: Not Specified
  • Wire Size: AWG 14 to AWG 2/0, AWG 12 to AWG 2/0
  • Certification: cULus, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: cULus, IEC
  • Compatible Frames: EDB Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not Applicable
  • Breaker Frame: 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: 785901878957
  • GTIN: 00785901878957