Eaton / Cutler-Hammer QPHW3070H Miniature Circuit Breaker
- 70A
- 3 Pole
- Plug-On
Quantity
Eaton / Cutler-Hammer QPHW3070H - 70A 3 Pole Miniature Circuit Breaker
New
Quantity
Description
Part of the Quicklag family, the Eaton QPHW3070H delivers robust protection for commercial and industrial systems. This three-pole, 70A miniature circuit breaker utilizes thermal-magnetic trip technology to quickly respond to overloads and short circuits. Designed for seamless integration, it mounts into Eaton Pow-R-Line 1 panelboards and legacy Westinghouse enclosures. The plug-on configuration ensures a secure connection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | QPHW3070H |
| Series | QPHW |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Eaton Pow-R-Line 1 Panelboards, Westinghouse Panelboards |
| Wire Gauge | 8-1/0 AWG |
| Max Wire | 1/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhich panelboards are compatible with the QPHW3070H circuit breaker?
This plug-on breaker is designed for use in Eaton Pow-R-Line 1 panelboards and legacy Westinghouse panelboards that accept Quicklag plug-on breakers.
What wire sizes and materials are accepted by the box lugs on the QPHW3070H?
The load side box lugs accept 8 AWG to 1/0 AWG aluminum or copper wire rated for 60 or 75 degrees Celsius.
What are the recommended torque specifications for the QPHW3070H terminals?
For Quicklag miniature circuit breakers, torque the terminals to 25 in-lbs for 8 AWG, 27 in-lbs for 6-4 AWG, and 45 in-lbs for 3-1/0 AWG wire.
What does the H in the QPHW3070H catalog number signify?
The H indicates a high interrupting rating. The QPHW series provides a 22 kAIC rating at 240V, which is higher than standard 10 kAIC Quicklag breakers.
Is the Eaton QPHW3070H rated for use with heating, air conditioning, and refrigeration equipment?
Yes, this 70-amp Quicklag breaker is HACR rated, making it suitable for protecting multi-motor HVAC and refrigeration circuits.
Can I use the QPHW3070H to replace older Westinghouse Quicklag breakers?
Yes, the Eaton QPHW3070H is a direct replacement for legacy Cutler-Hammer and Westinghouse QPHW series breakers with the same specifications.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
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.
Same Day Shipping
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.