Eaton CHP32B150R Main Breaker Loadcenter - NEMA 3R
Part Number: CHP32B150R
Quick Summary
The Eaton CHP32B150R main breaker loadcenter delivers reliable power distribution for industrial and commercial panels. The design addresses common installation challenges such as space constraints, wiring complexity, and weather exposure by combining a compact footprint with a rugged copper bus and robust enclosure. It holds UL 50 and UL 67 certifications and a NEMA 3R metallic enclosure, ensuring safe operation across indoor and outdoor environments. With 32 spaces, 64 circuits, and a 150 A rating, it integrates smoothly into existing electrical infrastructure while supporting overhead feed and single‑phase systems. This combination delivers improved serviceability and long-term cost efficiency for panel upgrades and expansion projects.
Product Information
Extended Description
CHP32B150R Eaton: Eaton CH main breaker loadcenters,Cover included,Main breaker,150 A,X5,Copper,NEMA 3R,Metallic,CSR,64,32,Three-wire,Single-phase,Overhead,120/240 V
Product Name
Eaton CH main breaker loadcenter
Catalog Number
CHP32B150R
UPC
786689058661
Product Length/Depth
29 in
Product Height
5.19 in
Product Width
14.31 in
Product Weight
26 lb
Warranty
Limited lifetime
Certifications
UL 50 UL 67
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
150 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
X5
Enclosure
NEMA 3R
Enclosure material
Metallic
Number of wires
3
AFCI Educational Video
Eaton Specification Sheet - CHP32B150R
Eaton type CH circuit breaker limited warranty June 2024
Feature: 150 A main breaker (CSR) provides direct, reliable fault protection and clear disconnect capability. Business Impact: Simplifies safety coordination and reduces downtime during faults or maintenance. Application: Ideal for service equipment when not more than six service disconnects are provided, with overhead feed for fast installation. Feature: 64 circuits across 32 spaces supports larger branch circuits without needing additional panels. Business Impact: Enables scalable distribution, minimizing future expansion costs. Application: Suitable for growing commercial or light industrial load centers where space is at a premium. Feature: Copper bus material delivers lower impedance and improved current-carrying capacity. Business Impact: Enhances voltage stability and reduces heat buildup under heavy loads. Application: Critical in high-demand feeders and long-run installations. Feature: NEMA 3R metallic enclosure provides weather-resistant protection. Business Impact: Allows indoor and outdoor mounting with compliance to environment exposure. Application: Outdoor service equipment or partially sheltered installations without compromising safety. Feature: Cover included simplifies installation and protects internal components from dust and debris. Business Impact: Reduces field assembly time and potential part loss. Application: Streamlines project kickoff and service readiness. Feature: Limited lifetime warranty offers long-term protection and predictable maintenance budgeting. Business Impact: Lowers lifecycle costs and enhances total cost of ownership. Application: Asset management and equipment replacement planning across facilities.
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FAQs
The CHP32B150R is designed for overhead feed in single-phase 120/240 V systems and supports up to 32 spaces by design, enabling 64 circuits. It suits service equipment configurations and panelboard upgrades, with a metal NEMA 3R enclosure for indoor or outdoor use. Plan wiring to align with overcurrent protection, conductor sizing, and available space to minimize field modifications.
The CSR main breaker provides a clear main disconnect with reliable overcurrent protection, aligning with standard electrical codes for service equipment. This simplifies coordination with downstream breakers, enhances fault isolation, and supports safer maintenance practices in both new installs and panel upgrades.
Yes. The CHP32B150R features a NEMA 3R metallic enclosure designed for indoor or outdoor service equipment, protecting against rain and incidental splashing. This makes it appropriate for exterior wall mounting in commercial or light industrial facilities where weather exposure is a factor.
The loadcenter carries UL 50 and UL 67 certifications, validating enclosure and component protection. It also features a limited lifetime warranty, providing long-term reassurance for maintenance planning and asset management across facility fleets.
With 150 A protection, copper bus, and included cover, the CHP32B150R reduces installation time and future expansion costs. Its durable construction and warranty support lower lifecycle maintenance spend, while the 32/64 circuit capacity enables scalable automation and energy-management strategies with minimal panel changes.