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Square D EJB14030EPD - Molded Case 30A 277V 1-Pole Breaker

Square D
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The Square D EJB14030EPD is a 1-pole molded case circuit breaker from the EJB Series, designed to provide overcurrent protection through long time and instantaneous trip functions. It is rated for 30A at 277VAC, with a high interrupting capacity of 65kA at 480V, and supports a 1-phase system. This bolt-on breaker measures 6.64 inches in height, 1.96 inches in width, and 4.05 inches in depth, weighs 2.1 lb, and is constructed for use with NF panelboards. It is cULus certified and operates within a temperature range of -13°F to 158°F (-25°C to 70°C). The thermal magnetic protection is suitable for industrial applications requiring reliable circuit interruption, with wire size compatibility ranging from AWG 14 to AWG 6 copper and AWG 12 to AWG 4 aluminum.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal magnetic protection, bolt-on connection
  • Voltage Rating: 277VAC
  • Current Rating: 30A
  • Dimensions: 6.64 in (168.66 mm) x 1.96 in (49.78 mm) x 4.05 in (102.87 mm) (Height x Width x Depth)
  • Standards: cULus
  • Applications: Industrial panelboards, overcurrent protection
  • Switch Type: Circuit breaker
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 277V
  • Amperage: 30A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: EJB
  • 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: Not specified
  • 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: Not specified
  • 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: Not specified
  • Amperage Maximum: 30A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 14 to AWG 6 Copper, AWG 12 to AWG 4 Aluminum
  • Certification: cULus
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 1-phase
  • Standards: cULus
  • Compatible Frames: EJB
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: EJB
  • Current Rating: 30A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901457374
  • GTIN: 00785901457374