WESTINGHOUSE 186P335H01 CIRCUIT BREAKER ISSUE NO. A-294 W TYPE HLA TRIP UNIT

Description:

The Westinghouse 186P335H01 is a molded case circuit breaker assembly equipped with a Type HLA thermal-magnetic trip unit. Identified as Issue No. A-294, this breaker is part of the Westinghouse HLA/LA circuit breaker family and is designed to provide overload and short-circuit protection in industrial and commercial power distribution systems. The HLA trip unit incorporates long-time and instantaneous protection functions, making it suitable for feeder, distribution, and equipment protection applications.

Applications:

The Westinghouse 186P335H01 circuit breaker is commonly used in switchboards, motor control centers, distribution panels, industrial machinery, manufacturing facilities, and commercial electrical systems. The Type HLA trip unit provides protection against overload and fault conditions while maintaining coordination with downstream protective devices.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Part Number: 186P335H01
• Product Type: Molded Case Circuit Breaker
• Issue Number: A-294
• Trip Unit Type: HLA
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Circuit Breaker Family: LA / HLA
• Pole Configuration: 3-Pole
• Voltage Rating: Up to 600 VAC
• Application: Power distribution and feeder protection
• Mounting Type: Panelboard or switchgear mounted
• System Compatibility: Westinghouse LA and HLA breaker systems
• Installation Type: Molded case circuit breaker assembly
• Operating Environment: Industrial and commercial electrical applications
• Intended Use: Overcurrent and short-circuit protection

Common Replacements:

• Eaton HLA3500T Trip Unit
• Siemens Sentron 3VL Electronic Trip Breaker
• Schneider Electric PowerPact P Thermal-Magnetic Breaker