Eaton EBMX3B-W250 Explosionproof Circuit Breaker - 600 Vac
Part Number: EBMX3B-W250
Quick Summary
Eaton EBMX3B-W250 Explosionproof circuit breaker protects hazardous-location electrical systems with a robust clamped EBMXB enclosure. Maintenance teams often struggle with installation clarity and field wiring in hazardous areas; this unit’s Size 3 enclosure, copper-free aluminum construction, and three-pole configuration simplify mounting and improve longevity. It carries NEC/CEC compliance and multiple hazardous-location ratings, including Class I, Division 1 & 2 and Zone 1 & 2, plus a NEMA 3R 4X 7 9 family. For procurement and design workflows, its documented accessories and installation literature support faster approvals, reduced risk, and predictable performance in demanding environments. By pairing with EBMXB accessories, plant engineers gain reliable protection with lower lifecycle costs and easier maintenance.
Product Information
Extended Description
EBMX3B-W250 Eaton: Eaton Crouse-Hinds series clamped EBMXB circuit breaker, Copper-free aluminum, Size 3 enclosure, 250A, Eaton breaker, Three-pole, 600 Vac
Product Name
Eaton Crouse-Hinds series clamped EBMXB circuit breaker
Catalog Number
EBMX3B-W250
UPC
662276605923
Product Length/Depth
42.28 in
Product Height
13.85 in
Product Width
17.93 in
Product Weight
211 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Zone 1 Class I, Division 2 Class I, Zone 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3R 4X 7 9
Enclosure cover construction
Clamped
Enclosure size
Size 3
Enclosure
With circuit breaker
Manufacturer
Eaton
Voltage rating
600 Vac
Interrupt rating
250 AIC
Number of poles
Three-pole
Enclosure material
Copper-free aluminum
SP3D Design Package - Clamped EBMXB Explosionproof Circuit Breakers
Clamped EBMX Series Explosionproof Combination Motor Starters Brochure
Clamped EBMX Series Explosionproof Combination Motor Starters Brochure
Clamped EBMXB Series Explosionproof Circuit Breakers catalog page
Clamped EBMXB Explosionproof Circuit Breakers Canadian certification
Clamped EBMXB Explosionproof Circuit Breakers Canadian certification
IF 1794 - Clamped EBMX Motor Control Series
IF 1794 - Clamped EBMX Motor Control Series
IF 1794 - Clamped EBMX Motor Control Series
Eaton Specification Sheet - EBMX3B-W250
Copper-free aluminum enclosure and clamped EBMXB design reduce weight, corrosion risk, and service complexity, enabling safer field service and easier mounting in tight spaces. This translates to lower installation time, less handling risk, and extended product life in harsher environments where exposure to chemicals or moisture is common. The 600 Vac rating and 250 AIC interrupt capability protect sensitive equipment while limiting arc energy, improving system reliability and reducing unplanned downtime in process plants and facilities. With a three-pole configuration in a Size 3 enclosure, wiring density is optimized, simplifying panel design and enabling compact, code-compliant installations in hazardous locations. NEC/CEC adherence, plus Class I Division 1 Zone 1/Zone 2 and NEMA ratings, streamlines approvals and avoids costly rework during audits. Documentation and compatibility with EBMXB accessories accelerate commissioning and maintenance planning in manufacturing, oil & gas, and chemical-processing environments.
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FAQs
The EBMX3B-W250 is designed for Size 3 enclosures using the clamped EBMXB housing and copper-free aluminum, suitable for hazardous or classified locations. It meets NEC/CEC requirements and supports Class I (Div 1/2, Zones 1/2), with NEMA ratings suitable for demanding environments. Installations should follow local codes and UL recognitions, and pairing with EBMXB accessories simplifies wiring, mounting, and approvals.
Key specs include a 600 Vac voltage rating, 250 AIC interrupt rating, three-pole configuration, and a Size 3 enclosure. The product length is 42.28 in, height 13.85 in, width 17.93 in, and it weighs 211 lb. UPC is 662276605923, and it is built with a copper-free aluminum enclosure designed for rugged hazardous-location service.
Yes. The EBMX3B-W250 carries NEC/CEC standards with NEC hazardous ratings including Class I Division 1 and Division 2, and Zone 1 and Zone 2. It also aligns with appropriate NEMA ratings (3R, 4X, 7, 9) and is suitable for Hazardous/Classified Locations, supporting global compliance in industrial facilities.
A suite of technical resources is available, including SP3D design packages, installation sheets (IF 1794), CAD/brochure literature, a catalog page, and the Eaton specification sheet EBMX3B-W250.pdf. These materials support proper installation, safety compliance, and ongoing maintenance planning for hazardous-location applications.
Choosing EBMX3B-W250 delivers robust protection with high interrupt capability in demanding environments, reducing downtime and risk. Its hazardous-location certifications, durable copper-free enclosure, and documented installation resources streamline approvals and maintenance. The integration with EBMXB components enables scalable, long-life protection for plants in oil & gas, chemical processing, and other high-risk industries, delivering a favorable total cost of ownership.