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Square D EDB24050SA - Molded Case Circuit Breaker 50A 2-Pole (480Y/277V with Shunt Trip)

Square D
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Square D EDB24050SA is a 2-pole molded case circuit breaker from the EDB Series, designed to provide overcurrent protection through thermal-magnetic trip mechanisms. This 50A breaker is rated for 480Y/277V AC with an 18kA interrupting capacity at 480V, supporting single-phase applications. The unit features a bolt-on connection for Square D NF panelboards, measures 5.66 in x 1.96 in x 4.05 in (143.76 mm x 49.78 mm x 102.87 mm), weighs 3.17 lb, and includes a 120V shunt trip for remote disconnection. It is cULus and IEC certified, with lug terminals accepting wire sizes from 14 AWG to 2/0 AWG copper or 12 AWG to 2/0 AWG aluminum, and operates at a maximum ambient temperature of 104°F (40°C). This breaker is suitable for industrial applications requiring reliable branch circuit protection and remote trip capability in panelboard installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EDB Series, Thermal-Magnetic Protection
  • Voltage Rating: 480Y/277V AC
  • Current Rating: 50A
  • Dimensions: 5.66 in (143.76 mm) x 1.96 in (49.78 mm) x 4.05 in (102.87 mm) (H x W x D)
  • Standards: cULus, IEC
  • Applications: Branch circuit protection in Square D NF panelboards, industrial power distribution
  • Switch Type: Shunt Trip (120V AC)
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: 120V AC (Shunt Trip)
  • Temp Rating: 104°F (40°C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 480Y/277V
  • Amperage: 50A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: 125A/EDB
  • Trip Type: Thermal-Magnetic
  • Panel Type: Square D NF Panelboards
  • Breaker Type: Molded Case with Shunt Trip
  • Control Voltage Minimum: 120V AC (Shunt Trip)
  • Control Voltage Maximum: 120V AC (Shunt Trip)
  • 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: 60 Hz (assumed for 480Y/277V)
  • 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: 120V AC (Shunt Trip)
  • Wire: Not specified
  • Amperage Maximum: 50A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 12 to AWG 2/0 (Aluminum), AWG 14 to AWG 2/0 (Copper)
  • Certification: cULus, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Lug
  • Frequency Rating: Not specified
  • Phase Connection: Single-Phase
  • Standards: cULus, IEC
  • Compatible Frames: EDB Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: 125A/EDB
  • Current Rating: 50A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901545828
  • GTIN: 00785901545828