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B390 Siemens Circuit Breaker

Item # B390

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Product Specifications

Type
BL
Amperage
90
Poles
3
Voltage
240

B390 Description

The Siemens / ITE B390 is a 3-pole molded case circuit breaker designed for branch circuit protection in panelboard applications. This bolt-on mount breaker features a thermal magnetic trip unit with a 90-amp current rating at 40�C and operates at 240 VAC. Built with a common trip mechanism, it provides 10 kA interrupting capacity for reliable overcurrent protection. The BL-type breaker handles demanding electrical loads while maintaining compact dimensions suitable for standard panelboard installations. Whether you're working on commercial or industrial projects, this miniature circuit breaker delivers dependable performance for three-phase power distribution systems.