Zinsco | HQGF30 | Circuit Breaker | 30A | 1-Pole | 120V | Plug-In

The Zinsco HQGF30 circuit breaker is a precise, plug-in solution built for 30-amp, 1-pole protection at 120 volts. Designed for maintenance, retrofit, and replacement projects where exact specs matter, this unit ensures you’re restoring circuit protection with a part that aligns with your panel’s requirements.

• Amperage: 30A — safeguards branch circuits against overloads on typical 120V loads, helping prevent overheating and nuisance trips.
• Poles: 1-Pole — engineered for a single hot leg circuit, ideal when you only need individual, dedicated protection.
• Voltage: 120V — compatible with standard residential circuits and common service panels that operate at 120V systems.
• Plug-In design — facilitates fast, clean installation or replacement with minimal wiring work and panel disruption.
• Part reference HQGF30 — using the HQGF30 part number is the most reliable way to confirm compatibility with your panel model and ratings.

This breaker is especially well-suited for upgrading or maintaining Zinsco panels where a 30-amp, 1-pole, 120V plug-in unit is the correct match. It provides immediate, reliable protection for individual circuits such as dedicated appliances, lighting circuits, or other 120V loads that require clean, dependable disconnection in the event of a fault.

Ideal use cases

• Residential electrical service upgrades where an existing 1-pole 30A circuit needs replacement with a plug-in unit.
• Retrofit projects to restore circuit protection in aging panels that accept HQGF-series breakers.
• Maintenance replacements to minimize downtime while preserving original panel architecture and wiring configuration.

Important compatibility note — before ordering, verify fit and ratings for your specific panel. The HQGF30 part number is the most accurate reference for compatibility, ensuring proper fit, secure connections, and reliable operation.

In practice, choosing the HQGF30 means selecting a purpose-built solution that respects your panel’s design intent while delivering straightforward, dependable protection for a single 120V circuit. If you’re unsure about fit, plan for a quick check with the panel’s labeling and the HQGF30 reference, and proceed with installation only after confirming compatibility.