EJB14050 - Schneider Electric (Square D) 1-Pole 50 A 480Y/277 V AC Bolt-On Circuit Breaker, Type EJB

EJB14050

EJB14050 is a bolt-on molded case circuit breaker manufactured by Schneider Electric (Square D). It is a Type EJB device rated for 50 A, 1 pole, and 480Y/277 V AC. It provides thermal-magnetic protection for overload and short-circuit conditions and installs using a secure bolt-on connection in NF and NQ panelboards, delivering reliable performance for branch circuits in lighting, HVAC, and power distribution applications.

• Part Number: EJB14050
• Manufacturer: Schneider Electric (Square D)
• Product Type: Bolt-On Thermal-Magnetic Circuit Breaker
• Type: EJB
• Poles: 1
• Amperage Rating: 50 A
• Voltage Rating: 480Y/277 V AC
• Interrupting Rating: 18 kA @ 480Y/277 V AC
• Trip Unit: Fixed thermal-magnetic
• Mounting: Bolt-on (for NF/NQ panelboards)
• Application: Branch protection, EPO systems (with shunt trip), and automation control
• Certifications: UL 489 Listed, CSA Certified, HACR Rated

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Specifications

• Part Number: EJB14050
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : EJB Series
• Type : EJB
• Voltage : 277
• Amperage : 50
• Phase : 1
• Poles : 1
• AIC rating : 65kA@480V
• Connection : Bolt-On
• Functions : Long Time and Instantaneous Trip
• Temp Rating : -13–158 °F (-25–70 °C)
• Protection : Thermal Magnetic

Product Data

• UPC : 785901130567
• GTIN : 00785901130567
• Country of Origin : Mexico
• Dimensions : 5.66 in (143.76 mm) x 0.98 in (24.89 mm) x 4.05 in (102.87 mm) (Height x Width x Depth)
• Weight : 1.301
• Panel Type : NF panelboard
• Certification : cULus
• Wire Size : AWG 12 to AWG 2/0 Aluminum, AWG 14 to AWG 2/0 Copper