QFP2125T Product Details & Specifications

• Item Name: QFP2125T
• Manufacturer: Zinsco - Challenger -Sylvania
• Packaged Weight: 7 lb
• Type: QFP
• Amperage: 125
• Poles: 2
• Voltage: 240

Description:

This is a two-pole, 125-amp molded-case circuit breaker used as a main disconnect and overcurrent protection device in older Zinsco electrical panels. It disconnects both hot conductors when an overload or short circuit occurs. Common applications include 120/240-volt residential service entrances, small commercial distribution panels, and maintaining legacy Zinsco load centers.

Zinsco has discontinued active production. Stock sold today is commonly used, refurbished, surplus, or new-old stock. Connecticut Electric still manufactures a compatible replacement under the number UBITBFP1252.

Key identifiers:

• Catalog number: QFP2125T
• Manufacturer: Zinsco
• Family: QFP
• Type: Main molded-case 
• Rating: 120/240VAC
• Poles: 2
• Phase: Single-phase
• Interrupting rating: 10,000 amps
• Trip: Fixed thermal-magnetic
• Trip functions: Long-time and instantaneous
• Mounting: Plug-on
• New replacement reference: Connecticut Electric UBITBFP1252

Compatibility: Application-Specific. This breaker is not universal. It is intended for Zinsco load centers designed for the QFP frame and the QFP2125T offset-lug arrangement. The panel label, bus connection, lug position, available space, and hold-down method must match before installation.