Eaton CHP22B100R Main Breaker Loadcenter - NEMA 3R
Part Number: CHP22B100R
Quick Summary
The Eaton CHP22B100R main breaker loadcenter delivers reliable power distribution for commercial electrical panels and service equipment. In busy facilities, installers frequently struggle with weatherproofing, space constraints, and achieving quick, code-compliant commissioning. This unit carries UL 50 and UL 67 certifications and a NEMA 3R metallic enclosure, ensuring durable protection in varied environments. With a 100 A rating, copper bus, 44 circuits across 22 spaces, and a cover included, it helps streamline upgrades while reducing ongoing maintenance. For engineers and procurement teams, this enclosure translates to reduced project risk and predictable installation timelines in industrial settings.
Product Information
Extended Description
CHP22B100R Eaton: Eaton CH main breaker loadcenters,Cover included,Main breaker,100 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
CHP22B100R
UPC
786689058562
Product Length/Depth
21 in
Product Height
5.19 in
Product Width
14.31 in
Product Weight
22 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
100 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 - CHP22B100R
Eaton type CH circuit breaker limited warranty June 2024
Feature: 100 A main breaker with copper bus → Business Impact: Delivers high reliability with low voltage drop and long-term conductivity, reducing maintenance and improving uptime in critical facilities. Application: Suitable for overhead feed in commercial electrical infrastructure. Feature: 44 circuits across 22 spaces → Business Impact: Maximizes circuit density without expanding footprint, enabling scalable expansion in data centers and manufacturing floors. Application: Ideal for service equipment upgrades where space is at a premium. Feature: NEMA 3R metal enclosure → Business Impact: Provides weather resistance and outdoor suitability, lowering weather-related failure risk and service calls. Application: Outdoor electrical infrastructure and rain-prone installations. Feature: Cover included → Business Impact: Accelerates installation and protects internal components from contamination, reducing commissioning time. Application: Quick retrofit in existing panels. Feature: 120/240 V, single-phase, overhead feed → Business Impact: Aligns with common commercial power profiles, simplifying wiring, breakers selection, and compatibility. Application: Loadcenters for general purpose distribution in light industrial spaces. Feature: UL 50, UL 67 certifications → Business Impact: Ensures compliance with safety standards, supporting audit readiness and regulatory adherence. Application: Facilities requiring formal certification traceability. Insight: The CHP family’s compatibility with CH main breakers and the robust copper bus design provide tangible gains in efficiency, reliability, and project predictability for electrical contractors and OEMs working on modernizing service equipment.
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FAQs
Install the CHP22B100R by aligning it with the panel’s bus and mounting rails, ensuring the CH main breaker is compatible with a 100 A rating. Verify overhead feed wiring and ensure the enclosure is properly grounded. Use the supplied cover to seal unused knockouts and confirm UL 50/UL 67 compliance before energizing.
The CHP22B100R is a 100 A, single-phase main breaker loadcenter with 44 circuits across 22 spaces. It operates at 120/240 V, uses copper bus material, and is designed for overhead feed. It is rated for NEMA 3R enclosures and includes a cover for protection.
Yes. The unit is designed with a NEMA 3R metallic enclosure and rainproof hub options, making it appropriate for outdoor or rain-prone installations while maintaining enclosure integrity and safety.
CHP22B100R carries UL 50 and UL 67 certifications, confirming enclosure integrity and safe electrical enclosure performance. These standards support code compliance, reliability in service equipment applications, and easier regulatory audits for facilities.
The combination of a durable NEMA 3R enclosure, copper bus, and a cover reduces corrosion risk and downtime, while UL certifications simplify compliance. Lifetime warranty support and a compact footprint enable faster upgrades, lower maintenance costs, and a faster return on investment for electrical infrastructure projects.