Eaton CHP32B225R Main Breaker Loadcenter - UL 67
Part Number: CHP32B225R
Quick Summary
The Eaton CHP32B225R main breaker loadcenter delivers reliable power distribution for commercial and industrial service equipment. Faced with space constraints, weather exposure, and evolving wiring requirements, engineers need a robust solution that fits existing infrastructure without sacrificing safety. This unit carries UL 67 and UL 50 approvals and a NEMA 3R metal enclosure, plus rainproof hub options to support outdoor installations. With a 225 A rating and 32 spaces, it enables scalable protection and faster field installation, delivering long-term cost efficiency while maintaining compliance across typical service equipment applications.
Product Information
Extended Description
CHP32B225R Eaton: Eaton CH main breaker loadcenters,Cover included,Main breaker,225 A,X6,Copper,NEMA 3R,Metallic,CSR,64,32,Three-wire,Single-phase,Overhead,120/240 V
Product Name
Eaton CH main breaker loadcenter
Catalog Number
CHP32B225R
UPC
786689058685
Product Length/Depth
34 in
Product Height
5.19 in
Product Width
14.31 in
Product Weight
28 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
225 A
Bus material
Copper
Main circuit breaker
CSR
Number of circuits
64
Number of spaces
32
Phase
Single-phase
Feed type
Overhead
Voltage rating
120/240 V
Box size
X6
Enclosure
NEMA 3R
Enclosure material
Metallic
Number of wires
3
AFCI Educational Video
Eaton Specification Sheet - CHP32B225R
Eaton type CH circuit breaker limited warranty June 2024
Feature → Business Impact → Application: 225 A amperage rating supports current growth without panels replacement, reducing future capital expenditures while maintaining reliable protection for 64 circuits across 32 spaces. Application: suitable for energized service entrances in light-industrial facilities where overhead feeds are common. Feature → Copper bus material delivers superior conductivity and durability, improving fault response times and minimizing voltage drop in high-load scenarios. Application: compatible with CSR main breakers to streamline retrofit projects and spare parts management. Feature → NEMA 3R metallic enclosure provides weather-resistant protection, enabling safe outdoor installations with rainproof hubs and secure cover integration. Application: service equipment near loading docks, exterior switchgear rooms, or outdoor plant bays. Feature → Rainproof hub compatibility and included cover enhance installation flexibility, reducing field modification time. Application: simplifies compliance in areas with exposure to moisture or dust. Feature → Catalog notes indicate suitability for service equipment with up to six service disconnects, supporting scalable configurations. Application: enables phased capacity expansion without panelboard replacement. Feature → 225 A rating combined with 32 spaces and 64 circuits supports modular expansion while maintaining a compact footprint. Application: ideal for commercial buildings and light-industrial facilities needing efficient space utilization and future-proofing.
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FAQs
The CHP32B225R is designed for both indoor service equipment and outdoor installations thanks to its NEMA 3R metallic enclosure and rainproof hub options. It supports overhead feed configurations and provides protection for critical electrical infrastructure in commercial and light-industrial settings, reducing weather-related risk and maintenance time.
Key specs include a 225 A amperage rating, 64 circuits across 32 spaces, single-phase operation, and a 120/240 V voltage rating. The bus is copper, and the unit uses an CSR main circuit breaker, making it suitable for service equipment configurations and straightforward fault isolation in distributed circuits.
CHP32B225R is built around a CSR main breaker and copper bus to ensure reliable protection and straightforward integration within Eaton’s CH/CHP family. For retrofit or upgrades, consult the Eaton specification sheet CHP32B225R to confirm compatibility with existing accessory kits and field-installed components.
The CHP32B225R carries UL 67 and UL 50 certifications and is housed in a NEMA 3R metallic enclosure, suitable for outdoor service equipment. These standards ensure electrical safety, enclosure integrity, and resilience against environmental factors like moisture and dust in many industrial environments.
Eaton provides a limited lifetime warranty on this loadcenter, underscoring long-term reliability and total cost of ownership benefits. Combined with its scalable 32-space, 64-circuit design and robust enclosure, the unit supports predictable maintenance cycles and reduces unexpected replacement costs in mission-critical applications.