BRKR ED4 3P 480V 125A

BRKR ED4 3P 480V 125A Molded Case Circuit Breaker The Siemens BRKR ED4 3P 480V 125A is a low voltage molded case circuit breaker designed for electrical distribution and protection applications. It features a thermal-magnetic trip unit calibrated for standard 40°C operation, suitable for use in industrial and commercial switchgear assemblies. This 3-pole circuit breaker supports a 125 amp continuous current rating with an interrupting capacity of 18 kAIC at 480 volts AC, making it a reliable choice for electrical distributors and lighting solutions requiring robust wire and cable protection. Specifications Manufacturer: Siemens Manufacturer Part #: ED43B125 Frame Type: ED Number of Poles: 3 Voltage Rating: 480 V AC Current Rating: 125 A Interrupting Rating: 18 kAIC at 480 V Frequency Rating: 50/60 Hz Operating Temperature: 40°C Dimensions (W x H x D): 5.6 in x 7.4 in x 3.9 in Weight: 3.79 lbs Country of Origin: Mexico Trip Unit: Thermal-Magnetic, Non-Interchangeable Wire Range (Load Lugs Only): Copper 3 AWG to 3/0 AWG, Aluminum 1 AWG to 2/0 AWG Features Standard 40°C calibrated breaker frame with standard breaking capacity Non-interchangeable trip unit compliant with UL 489 and CSA C22.2 No. 5 requirements Equipped with load-side lugs only, suitable for copper and aluminum conductors within specified wire ranges Designed for reverse feed applications per UL and CSA standards Compact dimensions facilitate installation in panelboards and switchboards Thermal-magnetic trip mechanism provides reliable protection against overloads and short circuits Downloads & Links Spec Sheet Spec Sheet