ZINSCO Bolt On Circuit Breaker: 50 A Amps, 120/240V AC, 1.5 in Wd, 10 kA, Zinsco Load Centers
The Zinsco Bolt On Circuit Breaker (MPN UBIZ250B-1) is a 50 A, 2-pole miniature circuit breaker rated at 120/240V AC with a 10 kA interrupting capacity. Designed for Zinsco Load Centers, this UBI-type unit features a…
SKU 3G-OTH-725953
Need installation or engineering help?
Ask a question
Product Description
The Zinsco Bolt On Circuit Breaker (MPN UBIZ250B-1) is a 50 A, 2-pole miniature circuit breaker rated at 120/240V AC with a 10 kA interrupting capacity. Designed for Zinsco Load Centers, this UBI-type unit features a 1.5 in width and bolt-on mounting. 3G Electric interprets your demand for this specific OEM replacement, sources it through our authorized supply chain, and supports your facility with specialist expertise across 14 industrial departments — including electrical distribution and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Zinsco UBIZ250B-1 circuit breaker used for?
The Zinsco UBIZ250B-1 is a 50 A, 2-pole bolt-on miniature circuit breaker used for overcurrent protection in Zinsco Load Centers. It is rated 120/240V AC with a 10 kA interrupting capacity, making it suitable for residential and light commercial electrical distribution panels requiring a UBI-type replacement.
What are the specifications of the Zinsco UBIZ250B-1?
The Zinsco UBIZ250B-1 is a 50 A, 2-pole bolt-on circuit breaker rated at 120/240V AC with a 10 kA interrupting capacity. It has a 1.5 in width and is designed for Zinsco Load Centers. The UBI type ensures compatibility with specific Zinsco panel boards.
Where to buy the Zinsco UBIZ250B-1 circuit breaker worldwide?
3G Electric supplies the Zinsco UBIZ250B-1 circuit breaker worldwide. We interpret your demand, source this specific OEM replacement through our supply chain, and handle full logistics and customs clearance for delivery to your facility. Contact us for availability and lead time.
How to install a Zinsco bolt-on circuit breaker?
To install a Zinsco bolt-on circuit breaker like the UBIZ250B-1, ensure the panel is de-energized. Align the breaker's bolt-on tabs with the bus bar slots, then tighten the mounting screw securely. Verify the breaker is rated for your system voltage (120/240V AC) and interrupting capacity (10 kA). Always follow local electrical codes.
ZINSCO Products
3G Electric supplies ZINSCO zinsco miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
