Westinghouse 999197 Molded Case Circuit Breaker Trip Unit

Description:

The Westinghouse G3070T 3 Pole 70 Amp Type G Trip Unit Style 999197 is a molded case circuit breaker trip unit designed for industrial electrical distribution and overcurrent protection systems. Commonly installed in Type G circuit breaker frames, switchboards, motor control centers, and industrial automation equipment requiring dependable three-phase overload and short-circuit protection. Maintenance teams, OEMs, and electrical integrators use this trip unit for replacement, retrofit upgrades, and maintenance of existing industrial electrical infrastructure.

Applications:

The Westinghouse G3070T trip unit is commonly used in industrial and commercial electrical systems where reliable overcurrent protection is required for medium-amperage three-phase equipment and connected power systems. It is suitable for motor control systems, conveyor equipment, HVAC infrastructure, industrial processing machinery, automation systems, and electrical distribution panels operating in demanding industrial environments.

Technical Specifications:

• Brand: Westinghouse
• Part Number: G3070T
• Style Number: 999197
• Product Type: Circuit Breaker Trip Unit
• Current Rating: 70 Amp
• Number of Poles: 3 Pole
• Breaker Type: Type G
• Compatible Frame Type: G Frame
• Phase Compatibility: 3 Phase
• Protection Type: Thermal Magnetic Trip Unit
• Application: Overcurrent and short-circuit protection
• Function: Circuit breaker trip control and protection
• Industrial Use: Power distribution and motor control systems
• Mounting Type: Breaker frame installed
• Typical Installation: MCCs, switchgear, industrial control panels
• Frequency Rating: 50/60 Hz

Common Replacements:

• Eaton G3070T
• Siemens Type G Trip Unit
• Square D PowerPact Trip Unit