Thomas & Betts TB2125 Molded Case Circuit Breaker

Description:

The Thomas & Betts TB2125 Molded Case Circuit Breaker is used to provide thermal-magnetic overcurrent and short-circuit protection for 120/240 VAC single-phase electrical distribution systems. Commonly installed in Thomas & Betts load centers, commercial buildings, industrial facilities, and electrical distribution panels requiring a 125 Amp two-pole branch circuit breaker. Maintenance electricians, contractors, and facility managers use this breaker for new installations, panel maintenance, retrofits, and replacement of existing TB Series circuit breakers.

Applications:

The Thomas & Betts TB2125 is a TB Series molded case circuit breaker designed with thermal-magnetic protection and fixed long-time/instantaneous trip characteristics for dependable overload and short-circuit protection. Its plug-in mounting design allows quick installation into compatible Thomas & Betts load centers and panelboards. The breaker is suitable for protecting feeders, HVAC equipment, motors, lighting circuits, and other branch circuits in residential, commercial, and industrial electrical systems.

Technical Specifications:

• Brand: Thomas & Betts (ABB)
• Part Number: TB2125
• Product Type: Molded Case Circuit Breaker
• Series: TB Series
• Number of Poles: 2 Pole
• Current Rating: 125 Amp
• Rated Voltage: 120/240 VAC
• Phase: Single Phase
• Interrupting Rating (AIC): 10 kA @ 240 VAC
• Trip Unit: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Plug-In
• Connection Type: Plug-In
• Frame Type: Molded Case
• Non-Interchangeable Trip Unit
• Weight: Approximately 2 lb (0.9 kg)
• Application: Branch Circuit and Feeder Protection
• Compatible Equipment: Thomas & Betts TB Series Load Centers and Panelboards

Common Replacements:

• Thomas & Betts TB2100
• Thomas & Betts TB2150
• Thomas & Betts TB2125H