Eaton QHCX3070H Miniature Circuit Breaker - 42 kAIC
Part Number: QHCX3070H
Quick Summary
The Eaton QHCX3070H miniature circuit breaker is a thermal-magnetic device protecting industrial panels from overloads. Engineers often face nuisance trips and space constraints when upgrading panel protection. This unit is UL Listed and CSA Certified, reinforcing safety, reliability, and regulatory compliance on the plant floor. With a 70 A rating, three-pole configuration, and 240 V operation, it integrates into Wiring & Connectivity ecosystems, delivering reduced downtime and simplified maintenance. Designed for high-performance electrical distribution, it offers 42 kAIC interrupt rating and compact footprint, enabling easier panel layout. Technicians appreciate straightforward installation and coordination with compatible Eaton accessories, reducing commissioning time.
Product Information
Extended Description
QHCX3070H Eaton: Eaton Quicklag Type QHCX Industrial Miniature Thermal-Magnetic Circuit Breaker,Miniature circuit breaker,70 A,42 kAIC,Three-pole,240 V,Thermal-magnetic,QHCX
Product Name
Eaton QC thermal magnetic circuit breaker
Catalog Number
QHCX3070H
UPC
786679009383
Product Length/Depth
2.9 in
Product Height
4.8 in
Product Width
1 in
Product Weight
3.4 lb
Warranty
1 year
Certifications
UL Listed CSA Certified
Circuit breaker type
QHCX
Number of poles
Three-pole
Type
Miniature circuit breaker
Amperage Rating
70A
Interrupt rating
42 kAIC
Trip Type
T268
Voltage rating
240 V - 240 V
Feature: Thermal-magnetic trip mechanism provides precise overcurrent protection with fast response to both overload and short-circuit events. Business Impact: Minimizes equipment damage and costly downtime by preventing cascading faults; Application: Ideal for motor feeders and industrial distribution panels where predictable trip behavior is essential. Feature: 70 A amperage rating and 42 kAIC interrupt capacity deliver robust fault handling for demanding loads. Business Impact: Enhances system reliability and protects feeders from high fault currents; Application: Suitable for heavy-duty three-phase circuits in manufacturing and processing facilities. Feature: Three-pole design at 240 V ensures balanced protection across all phases. Business Impact: Simplifies wiring, improves trip coordination, and reduces misconfigurations; Application: Common in panelboards and MCCs where three-phase protection is required. Feature: UL Listed and CSA Certified with a 1-year warranty provide compliance and peace of mind. Business Impact: Eases procurement and QA processes, supporting regulatory audits; Application: Critical for safety-conscious OEMs and retrofits. Feature: Compact form factor with standard mounting compatibility supports fast installation and retrofit projects. Business Impact: Reduces enclosure space requirements and commissioning time; Application: Beneficial in tight control panels and Wiring & Connectivity ecosystems.
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FAQs
QHCX3070H is a three-pole unit rated for 240 V. When installing, ensure panel space accommodates its 4.8 in height and 1 in width, verify the enclosure supports three-pole protection, and follow UL/CSA wiring guidelines for safe conductor terminations. Confirm compatibility with Eaton Wiring & Connectivity accessories to simplify mounting and lead routing.
Key specs include a 70 A amperage rating, 42 kAIC interrupt rating, 240 V voltage rating, and a three-pole configuration. The device is designed for industrial distribution panels and has a T268 trip type, contributing to predictable fault signaling and protection coordination.
Yes. The QHCX3070H carries UL Listed and CSA Certified marks, validating safety, performance, and regulatory compliance in industrial environments. This helps with QA audits and customer procurement requirements for compliant protection devices.
The QHCX3070H comes with a 1-year warranty, offering assurance on manufacturing quality and performance within standard industrial use. For extended reliability, pair it with Eaton-approved accessories and follow recommended maintenance schedules.
The QHCX3070H is well-suited for three-phase distribution panels, motor control centers, and feeder protection in manufacturing and packaging environments. Its 70 A rating and 42 kAIC interrupt capacity support reliable protection against overloads and short circuits in demanding industrial systems.