The Hubbell HBL300MBL is a 300A, 600V single-pole circuit breaker designed to provide overcurrent protection for a single electrical circuit. It is rated for systems up to 600 volts, making it suitable for use in electrical distribution setups where high-current protection is required. Identified by the HBL300MBL part number and manufactured by Hubbell Incorporated, this device is intended for installation in compatible panels that accept a single-pole breaker of this rating.
