Eaton CHP22B125R Main Breaker Loadcenter - NEMA 3R
Part Number: CHP22B125R
Quick Summary
The Eaton CHP22B125R main breaker loadcenter delivers reliable power distribution for industrial control panels and service equipment. Many facilities struggle with space constraints, weather exposure, and difficult wiring when upgrading electrical gear. This unit carries UL 67 and UL 50 listings, plus a NEMA 3R metallic enclosure for outdoor or harsh indoor locations. With a 125 A rating and copper bus, it supports up to 44 circuits in a 22-space configuration, making it a strong fit for service equipment and compact switchgear installations. The combination of rugged enclosure, included cover, and industry-standard ratings helps reduce commissioning time, ensure compliance, and lower total cost of ownership since maintenance and spares are straightforward.
Product Information
Extended Description
CHP22B125R Eaton: Eaton CH main breaker loadcenters,Cover included,Main breaker,125 A,X2,Copper,NEMA 3R,Metallic,CH,44,22,Three-wire,Single-phase,Overhead,120/240 V
Product Name
Eaton CH main breaker loadcenter
Catalog Number
CHP22B125R
UPC
786689058579
Product Length/Depth
21 in
Product Height
5.19 in
Product Width
14.31 in
Product Weight
22 lb
Warranty
Limited lifetime
Certifications
UL 67 UL 50
Catalog Notes
Suitable for use as service equipment when not more than six service disconnecting mains are provided or when not used as a lighting and appliance panelboard. Rainproof panels are furnished with hub closure plates. For rainproof hubs.
Special features
Cover included
Type
Main breaker
Amperage Rating
125 A
Bus material
Copper
Main circuit breaker
CH
Number of circuits
44
Number of spaces
22
Phase
Single-phase
Feed type
Overhead
Voltage rating
120/240 V
Box size
X2
Enclosure
NEMA 3R
Enclosure material
Metallic
Number of wires
3
AFCI Educational Video
Eaton Specification Sheet - CHP22B125R
Eaton type CH circuit breaker limited warranty June 2024
125 A main breaker with 44 circuits in a 22-space CH loadcenter enables scalable distribution for mid-size industrial panels. The copper bus improves conductivity and fault performance, delivering measurable gains in reliability and uptime. This design integrates seamlessly with Eaton CH breakers, reducing compatibility concerns and speeding up spec-to-install transitions in new builds or retrofits. Enclosure is NEMA 3R metallic, offering weather resistance for outdoor or damp indoor environments, while the included cover and rainproof hubs simplify field sealing and reduce exposure to the elements. The overhead feed, X2 box size, and 120/240 V single-phase configuration align with common utility and facility wiring practices, cutting installation time and minimizing the need for customized fabrication. UL 67 and UL 50 certifications reinforce safety and compliance, supporting audits and long-term maintenance planning. Overall, this loadcenter delivers a compact footprint with robust protections, lowering total cost of ownership while enabling reliable service equipment performance in commercial and light industrial settings.
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FAQs
Yes. CHP22B125R is a CH main breaker loadcenter designed to work with Eaton CH breakers. It provides a 125 A main, 44 circuits across 22 spaces, copper bus, overhead feed, and a NEMA 3R metallic enclosure, with UL 67 and UL 50 certifications for proven compatibility and safety in service equipment applications.
CHP22B125R is suitable for service equipment and compact industrial control panels in both outdoor and harsh indoor environments. Its NEMA 3R enclosure, copper bus, and overhead feed support reliable operation in weather-exposed locations, while the included cover and rainproof hubs simplify field sealing and compliance for commercial or light industrial deployments.
The CHP22B125R carries UL 67 and UL 50 listings, ensuring enclosure suitability and safety for control equipment. The NEMA 3R enclosure rating adds weather resistance for outdoor or damp environments. These certifications help with regulatory compliance, maintenance planning, and uptime guarantees critical to service equipment and mid-size distribution applications.
Key features like the included cover, standard 21 in depth, 22-space/44-circuit layout, and overhead feed reduce field fabrication and sealing tasks. The copper bus simplifies wiring, and the pre-approved enclosure mitigates weatherproofing concerns, enabling faster commissioning and fewer site modifications, which translates to lower labor hours and quicker project ROI.
CHP22B125R is backed by a limited lifetime warranty, with Eaton's warranty documentation available for reference. Access to the Eaton specification sheet and technical support ensures engineers can validate compliance, obtain replacement parts, and plan maintenance with confidence across service equipment installations and ongoing operations.