Built for commercial and industrial environments, the Eaton HQNP3030 is a 3-pole, 30A miniature circuit breaker. It delivers dependable thermal-magnetic protection for 240VAC electrical systems. Designed to fit legacy Westinghouse and Cutler-Hammer Type P and PL panelboards, this plug-on breaker provides a seamless replacement solution. It is cross-referenced to the newer HQP3030. With a 10kAIC interrupting capacity and HACR rating, it handles demanding loads safely.
Which panelboards are compatible with the HQNP3030 circuit breaker?
This breaker is designed specifically for use in legacy Westinghouse and Cutler-Hammer Type P and Type PL Quicklag panelboards.
What is the modern replacement for the legacy HQNP3030?
The Eaton HQP3030 is the current direct cross-reference. It serves as a drop-in replacement for the older Westinghouse and Cutler-Hammer HQNP3030 models in Type P and PL panels.
Can this breaker be used for heating and cooling equipment?
Yes, the HQNP3030 is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration systems that require this specific safety designation.
Does this breaker have an adjustable trip setting?
No, it features a fixed thermal-magnetic trip unit with factory-set long-time and instantaneous (LI) protection.
What type of wiring is compatible with the HQNP3030 terminals?
The breaker is equipped with box lugs that accept both copper (Cu) and aluminum (Al) conductors ranging from 14 AWG to 4 AWG.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.