Zinsco Q2430-15 U 15A 240V 3P Molded Case Circuit Breaker Q243015

Description:

The Zinsco Q2430-15 (Q243015) is a 3-pole 15 Amp molded case circuit breaker designed for use in Zinsco / GTE Sylvania panelboards. It operates at 240 VAC and features a thermal-magnetic (Magnatrip) trip mechanism to protect circuits from overloads and short circuits. Built on the Q24 frame, it is a plug-in style breaker intended for legacy three-phase electrical systems.

Applications:

The Zinsco Q2430-15 breaker is commonly used in commercial and light industrial systems requiring three-phase 15A protection, such as control circuits, small motors, and distribution panels. It serves as a branch or feeder breaker in older Zinsco installations where maintaining original panel compatibility is necessary.

Technical Specifications:

• Manufacturer: Zinsco / GTE Sylvania / Challenger
• Model / Part Number: Q2430-15 / Q243015
• Product Type: Molded Case Circuit Breaker
• Poles: 3-Pole
• Current Rating: 15 Amps
• Voltage Rating: 240 VAC
• Interrupt Rating: ~10 kAIC @ 240V
• Mounting: Plug-in (Q24 frame)
• Trip Type: Thermal-magnetic (LI – long-time & instantaneous)
• Phase: 3-phase
• Status: Obsolete / discontinued (available surplus or refurbished)

Common Replacements:

• Square D QOB315 3-Pole 15A Bolt-On Circuit Breaker
• Siemens BQD315 3-Pole 15A Bolt-On Breaker
• Eaton BAB3015H 3-Pole 15A Bolt-On Breaker