Eaton CHH2175H4X Thermal Magnetic Circuit Breaker - UL 489
Part Number: CHH2175H4X
Quick Summary
CHH2175H4X is a two-pole thermal magnetic circuit breaker designed for 120/240 V systems, ideal for protecting distribution panels in industrial and commercial facilities. Engineers often face nuisance trips or undersized protection when selecting breakers for high-density circuits; this unit's 175 A rating provides reliable protection while enabling scalable expansion. UL 489 certification ensures compliance with established safety standards, and Eaton backs the device with a limited lifetime warranty for long-term asset protection. With bolt-on mounting and compatibility with 37MM and 37SS metering stacks, installation is straightforward and future upgrades are practical.
Product Information
Extended Description
CHH2175H4X Eaton: Type CCH Bolt-On Circuit Breaker, Two-Pole, 175A, 120/240V, 42 kAIC
Product Name
Eaton CH thermal magnetic circuit breaker
Catalog Number
CHH2175H4X
UPC
782113032160
Product Length/Depth
4.5 in
Product Height
9.1 in
Product Width
5.3 in
Product Weight
4.4 lb
Warranty
Limited lifetime
Certifications
UL 489
Used with
For use with 37MM and 37SS three-phase modular metering stacks
Type
Thermal magnetic circuit breakers
Amperage Rating
175 A
Voltage rating
120/240 V
Mounting Method
Bolt-on
Interrupt rating
42 kAIC
Main circuit breaker
CH
Number of poles
Two-pole
Feature: 175 A amperage rating paired with a 42 kAIC interrupt rating. Business Impact: Delivers robust, reliable protection capable of clearing high fault currents without damaging equipment. Application: Ideal for main feeders and panelboards serving motors and load banks in industrial facilities. Feature: 120/240 V operation and two-pole bolt-on design. Business Impact: Supports straightforward wiring and secure, fast installation with stable mechanical mounting. Application: Fits standard panel configurations in commercial and industrial environments. Feature: Bolt-on mounting with compatibility to 37MM and 37SS modular metering stacks. Business Impact: Reduces installation time and simplifies retrofits, minimizing downtime and field complexity. Application: Suited for modular metering and distributed protection in multi-circuit systems. Feature: UL 489 certification with a limited lifetime warranty. Business Impact: Provides regulatory confidence and predictable long-term ownership costs. Application: Asset protection in facilities where safety compliance and service life matter. Feature: Compact dimensions and weight—4.5 in depth, 9.1 in height, 5.3 in width, 4.4 lb. Business Impact: Enables efficient panel packing and handling during installation. Application: Ideal for space-constrained enclosures and retrofit projects in industrial settings.
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FAQs
Yes. CHH2175H4X is a two-pole bolt-on circuit breaker designed for use with 37MM and 37SS three-phase modular metering stacks. It simplifies panel installation and retrofit projects, reducing wiring complexity while maintaining secure mounting and electrical clearance. Ensure stack spacing aligns with panel manufacturer guidance for optimal performance.
42 kAIC indicates the maximum fault current the breaker can interrupt at rated voltage without sustaining damage. This rating supports safe disconnection of high-energy faults in 120/240 V systems, protecting conductors, equipment, and downstream devices. For installations with potential fault currents near or above this value, verify coordination with upstream devices and system fault studies.
CHH2175H4X is well-suited for industrial distribution panels, motor feeders, and modular metering applications in manufacturing, processing, and data-center environments. Its high 175 A rating and 42 kAIC interrupt capability provide dependable protection for medium-duty loads, while bolt-on mounting and stack compatibility support scalable protection strategies in evolving facilities.
CHH2175H4X carries UL 489 certification, confirming compliance with recognized safety standards for low-voltage, molded-case circuit breakers. This certification supports code compliance in North American electrical installations. The unit is designed for long-term reliability, reinforced by Eaton's limited lifetime warranty for asset protection.
The CHH2175H4X is backed by a limited lifetime warranty, reflecting Eaton’s commitment to long-term performance and asset protection. In addition to warranty coverage, customers gain access to Eaton’s specification sheets and warranty guides, which assist with proper selection, installation practices, and ongoing maintenance planning to optimize total cost of ownership.