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Square D EGB34050SA - Molded Case 50A 480V 3-Pole

Square D
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Square D EGB34050SA is a 3-pole molded case circuit breaker designed for thermal magnetic protection in NF panelboards. It is rated for 50A at 480V AC with a 35kA interrupting capacity, and includes a 120V shunt trip for remote disconnection. The bolt-on unit measures 5.66 in x 3.92 in x 4.05 in, weighs 4.12 lb, and accepts wire sizes from 12 AWG (Al) or 14 AWG (Cu) up to 2/0 AWG (Cu/Al) via lug terminals. It is cULus certified for industrial applications, operating within -13 to 158 °F (-25 to 70 °C), and provides long-time and instantaneous trip functions within a G-frame, E-Frame size.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, 3-Pole, Bolt-On
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Dimensions: 5.66 in (143.76 mm) x 3.92 in (99.57 mm) x 4.05 in (102.87 mm) (H x W x D)
  • Standards: cULus
  • Applications: Industrial panelboard protection, remote shunt trip disconnection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Phase
  • Coil Voltage Maximum: 120V (Shunt Trip)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 50A
  • AIC rating: 35kA@480V
  • Connection: Bolt-on
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: G; E-Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: NF Panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: 120V (Shunt Trip)
  • Control Voltage Maximum: 120V (Shunt Trip)
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 2/0 AWG (Cu/Al)
  • 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 specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-on
  • Hz: 60 Hz (typical for 480V)
  • 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 (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
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: cULus
  • Compatible Frames: G; E-Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: G; E-Frame
  • 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: 70 °C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901159094
  • GTIN: 00785901159094