JXD63B400, Molded Case Circuit Breaker

JXD63B400 Molded Case Circuit Breaker – Electrical Protection Solutions The JXD63B400 Molded Case Circuit Breaker by Siemens is designed for reliable overcurrent protection in electrical distribution systems. Suitable for use in industrial and commercial applications, it supports 3-pole configurations with a continuous current rating of 400 amperes. This breaker is engineered for standard 40°C operating conditions and is ideal for electrical distributors and switchgear suppliers seeking robust circuit protection solutions. Specifications Manufacturer: Siemens Frame: JD Current Rating: 400 amperes Number of Poles: 3 Operating Temperature: 40°C Interrupt Rating: 25 kAIC Frequency Rating: 50/60 Hz Dimensions (HxWxD): 14.7 in x 8.8 in x 6.7 in Product Weight: 10.8 lbs Actuator: Varying Enclosure: Varying Features Non-interchangeable trip unit design for enhanced safety and reliability UL Listed for reverse feed applications and rated for 500V DC ungrounded UPS systems Standard 40°C calibration for consistent performance under typical operating conditions Compatible with line and load lug accessories for flexible installation Blue label designation indicating 600V AC, 3-pole, 500V DC rating Downloads & Links Catalog Brochure Other 1 Other 2