Eaton QHCX3035H Miniature Circuit Breaker - 42 kAIC
Part Number: QHCX3035H
Quick Summary
Eaton QC thermal magnetic circuit breaker QHCX3035H protects panel wiring and control circuits in electrical panels. Nuisance trips and crowded panel layouts slow projects and complicate maintenance. This device carries UL Listed and CSA Certified markings, delivering safe, compliant protection for critical automation assets. With a 35 A rating, 42 kAIC interrupt capacity, and a 240 V supply, it supports reliable three-pole protection in compact form. By integrating this unit, engineers gain predictable performance, faster commissioning, and reduced downtime across automation lines. The QHCX family is designed for Quicklag protection, helping coordinate breakers with upstream devices in complex motor control centers. Its compact 2.9 inch depth and 4.8 inch height support dense panel layouts while preserving serviceability and wiring clarity.
Product Information
Extended Description
QHCX3035H Eaton: Eaton Quicklag Type QHCX Industrial Miniature Thermal-Magnetic Circuit Breaker,Miniature circuit breaker,35 A,42 kAIC,Three-pole,240 V,Thermal-magnetic,QHCX
Product Name
Eaton QC thermal magnetic circuit breaker
Catalog Number
QHCX3035H
UPC
786679009321
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
35 A
Interrupt rating
42 kAIC
Trip Type
T268
Voltage rating
240 V - 240 V
Feature: 35 A amperage rating → Business Impact → Application: This rating aligns with common load profiles in small to medium control panels, reducing nuisance trips while protecting wiring and devices. It supports modular panel designs for machine controllers and automation cabinets, shortening setup time and lowering commissioning risk. Feature: 42 kAIC interrupt rating → Business Impact → Application: High fault current capability safeguards feeders and downstream equipment from damage during short circuits, improving uptime in high-energy environments such as conveyors and stamping machines. Feature: Thermal-magnetic trip (Trip Type T268) → Business Impact → Application: Coordinated protection that quickly clears faults while avoiding nuisance trips on transient inrush, ideal for motor loads and process lines in automation cells. Feature: Three-pole, 240 V configuration → Business Impact → Application: Optimized protection for three-phase systems, simplifies wiring schemes, and enhances safe startup in 3Ø automation panels and robotics interfaces. Feature: Compact form factor (2.9 in depth, 1 in width, 4.8 in height) → Business Impact → Application: Dense space utilization in control cabinets, easier retrofits, and faster installation across industrial wiring and connectivity projects. Feature: UL Listed and CSA Certified → Business Impact → Application: Regulatory compliance and supplier qualification for panel manufacturers and OEMs, enabling streamlined procurement and audits in regulated facilities.
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FAQs
For reliable panel integration, use the three-pole configuration to protect 3Ø circuits up to 240 V. The unit’s compact depth of 2.9 in and height of 4.8 in facilitate dense panel layouts, while its 3.4 lb weight simplifies mounting. Plan wiring with standard 35 A conductors and ensure compatible bus and terminal hardware in the Eaton QHCX family for consistent quality and serviceability.
QHCX3035H delivers a 42 kAIC interrupt rating and uses a thermal-magnetic trip with Trip Type T268. This combination provides fast fault clearing for short-circuits while mitigating nuisance trips during inrush, making it suitable for motor loads and automated machinery in industrial settings.
Yes. The breaker is rated for 240 V and configured as a three-pole unit, delivering balanced protection across three-phase circuits. Its compact form factors support modular panel design, and it aligns with standard automation architectures found in process control and machine interfaces.
The QHCX3035H is UL Listed and CSA Certified, signaling compliance with major North American safety standards. These certifications facilitate procurement with regulated buyers, support traceability in audits, and help ensure safe operation within industrial control panels and OEM installations.
By combining precise thermal-magnetic protection with a robust 42 kAIC rating, the QHCX3035H reduces unplanned outages and equipment damage. Its Quicklag family features simplify coordination with upstream devices, speeding commissioning and freeing technician time for other maintenance tasks, yielding meaningful uptime improvements and lower lifecycle costs.