Westinghouse FDB2100 Molded Case Circuit Breaker

Description:

The Westinghouse FDB2100 Circuit Breaker is a molded case circuit breaker designed for industrial and commercial electrical distribution systems requiring reliable overcurrent and short-circuit protection. Commonly installed in panelboards, switchgear assemblies, motor control centers, and industrial power systems where dependable feeder and branch circuit protection is required. Maintenance electricians, facility engineers, and industrial automation technicians use this breaker for replacement, retrofit, or electrical system maintenance. The FDB series is part of the Westinghouse / Cutler-Hammer Series C breaker family with thermal-magnetic trip protection.

Applications:

The Westinghouse FDB2100 circuit breaker is commonly used in industrial and commercial electrical systems to protect branch circuits, feeders, motors, HVAC equipment, and power distribution assemblies from overload and fault conditions. It is installed in manufacturing facilities, commercial buildings, industrial machinery, and automation systems where stable electrical protection and reliable circuit interruption are required.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation / Cutler-Hammer
• Model: FDB2100
• Series: FDB / Series C
• Product Type: Molded Case Circuit Breaker
• Number of Poles: 2-Pole
• Current Rating: 100 Amp
• Voltage Rating: 600 VAC
• Voltage Rating DC: 250 VDC
• Frequency Rating: 50/60 Hz
• Trip Type: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Interrupt Rating: 14kAIC @ 480/600VAC
• Interrupt Rating: 18kAIC @ 240VAC
• Frame Type: F-Frame
• Connection Type: Feed-Thru
• Mounting Type: Panel mount / Bolt-On
• Function: Overcurrent and short-circuit protection
• Application: Industrial and commercial electrical distribution systems
• System Compatibility: Westinghouse / Eaton / Cutler-Hammer panelboards and switchgear
• Operating Environment: Industrial electrical applications
• Intended Use: Branch circuit and feeder protection
• Performance Feature: Reliable thermal-magnetic circuit interruption for industrial power systems.

Common Replacements:

• Eaton FDB2100 Series C Circuit Breaker
• Siemens Sentron Molded Case Circuit Breaker
• Schneider Electric Square D PowerPact Circuit Breaker