Zinsco QCAL90 – 90A 2 Pole Molded Case Circuit Breaker Special Offer

A drop-in replacement for vintage systems, the Zinsco QCAL90 provides 90A of reliable overcurrent protection. This two-pole molded case circuit breaker restores power in older electrical setups without requiring panel upgrades. Designed as a thick series breaker with a 1.5-inch width, it installs into classic Zinsco and Sylvania load centers. For modern compliance, this unit is frequently replaced by the UBIZ290 substitute.