Siemens molded case circuit breaker three phase and three pole 1600 Ampere HP type circuit breaker compact easy to install built in features like molded case non-automatic bolt-on connection circuit breakers.
Is the ITE HPB3F160 interchangeable with the Siemens HPB3F160?
Yes. Siemens acquired ITE and continued producing the HPB series. An ITE branded HPB3F160 and a Siemens branded HPB3F160 share the same physical dimensions, mounting hardware, and electrical specifications, making them direct replacements for one another.
What type of mounting connection does the HPB3F160 use?
This breaker utilizes a bolt-on connection. Because it is a high amperage 1600A frame, the bolt-on design ensures a secure, low resistance mechanical and electrical connection to the busbars in heavy duty switchboards and distribution panels.
What is the maximum continuous load permitted on the HPB3F160?
Under standard National Electrical Code (NEC) guidelines, standard-rated circuit breakers should not be loaded to more than 80 percent of their maximum rating for continuous loads (defined as 3 hours or more). For this 1600A breaker, the continuous load should not exceed 1280 amps unless the specific assembly is explicitly marked for 100 percent continuous operation.
Can this 600V-rated breaker be used on a 480V system?
Yes. The HPB3F160 is rated for a maximum of 600V AC, making it fully compatible with standard 480V and 240V three-phase industrial electrical systems.
What safety procedures are required when replacing an HPB3F160 breaker?
Due to the extreme fault current potential in 1600A systems, installation must only be performed by a qualified electrician. The upstream power source must be completely de-energized, verified with a multimeter, and secured using proper Lockout Tagout (LOTO) procedures before unbolting the existing breaker or installing the replacement.
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