Eaton EBMBK WT250KD36 Explosionproof KD Frame - 600 Vac
Part Number: EBMBK WT250KD36
Quick Summary
The Eaton EBMBK WT250KD36 is an explosionproof circuit breaker for hazardous locations and power distribution. Engineers frequently confront harsh environments, demanding robust protection that reduces downtime without sacrificing accessibility. This model supports NEC/CEC compliance and hazardous-location ratings, including Class I, Division 1 and Division 2, with broad NEMA coverage. Copper-free aluminum enclosure, bolted/ground joint/gasketed cover, and a KD frame enable quick installation and resilient operation. With a 600 Vac/250 Vdc rating and 100–400 A range, it supports reliable, compliant, scalable protection for industrial systems. The combination of robust enclosure design and familiar KD-frame integration translates into faster commissioning, lower field rework, and long-term operational savings.
Product Information
Extended Description
EBMBK WT250KD36 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 100A through 400A, KD frame type, Bolted/ground joint/gasketed cover construction, Copper-free aluminum, 400A frame size, Cutler-Hammer breaker, Three-pole, 250A trip, 600 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBK WT250KD36
UPC
662276043527
Product Length/Depth
20.28 in
Product Height
42.65 in
Product Width
10.92 in
Product Weight
86 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 3R 4 7 9 12
Enclosure
With circuit breaker
Number of poles
Three-pole
Voltage rating
600 Vac/250 Vdc
Frame size
400A
Amperage Rating
100 A through 400 A
Manufacturer
Cutler-Hammer
Circuit breaker frame type
KD
Enclosure cover construction
Bolted/ground joint/gasketed
Enclosure material
Copper-free aluminum
SP3D Design Package - EBMB Explosionproof Circuit Breakers
EBMB Series Explosionproof Circuit Breakers catalog page
EBMB Explosionproof Circuit Breakers Canadian certification
EBMB Explosionproof Circuit Breakers Canadian certification
IF 1616 - Flange Gasket Replacement Kit
IF 1616 - Flange Gasket Replacement Kit
IF 1616 - Flange Gasket Replacement Kit
Eaton Specification Sheet - EBMBK WT250KD36
Explosionproof construction with a sealed enclosure provides ignition protection in oil & gas, chemical processing, and mining environments, reducing the risk of ignition and enabling compliant operation. This translates to safer equipment libraries, lower project risk, and easier regulatory review during design and commissioning. Copper-free aluminum enclosure lowers weight and improves corrosion resistance, simplifying site handling and maintenance while reducing lifecycle costs through longer service intervals and easier recycling. Bolted/ground joint/gasketed covers enhance sealing and accessibility, enabling rapid maintenance without compromising safety, which minimizes downtime and supports scalable retrofits in evolving facilities. The KD frame three-pole design, 600 Vac/250 Vdc rating, and 100–400 A range provide flexible integration with standard industrial power systems, enabling consistent protection across feeders and easier spare parts management. Certifications and documentation accompany Eaton products, delivering confidence for NEC/CEC compliance and NEMA-rated installations in hazardous locations, while reducing procurement risk and accelerating project timelines. The copper-free construction and robust enclosure design support reliability in demanding environments, reducing spare parts and maintenance cycles for longer system uptime.
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FAQs
When installing the EBMBK WT250KD36 in hazardous locations, ensure mounting on standard KD-frame switchgear with proper bolting and grounding. Use the gasketed enclosure cover to maintain environmental sealing, and verify Class I/II, Division 1/2 applicability per NEC/CEC and NEMA ratings. Confirm clearances for maintenance access and allow for compatible conduit entries as outlined in Eaton installation documentation.
The unit is a three-pole breaker rated for 600 Vac/250 Vdc with a 100–400 A amperage range. This combination supports versatile protection for feeders and distribution panels while maintaining coordination with upstream protection devices. The 250 A trip option within the family enables selective coordination in larger systems, reducing nuisance tripping and improving overall system reliability.
Ideal for oil and gas, chemical processing, mining, and heavy manufacturing, the EBMBK WT250KD36 delivers reliable explosionproof protection in hazardous locations. Its KD-frame design and high-current capabilities make it suitable for critical feeders, motor control centers, and distribution panels where ignition mitigation and regulatory compliance are essential.
This product supports NEC/CEC compliance with hazard-location classifications (Class I/Division 1 and Division 2, Class II, Class III) and broad NEMA ratings (3, 3R, 4, 7, 9, 12). Downloadable catalogs, Canadian certifications, installation sheets, and the Eaton specification sheet are provided to streamline approvals, engineering reviews, and procurement in hazardous-area projects.
The rugged copper-free aluminum enclosure and gasketed cover reduce corrosion-related maintenance and enable longer service intervals, lowering lifecycle costs. Quick installation with a KD frame reduces commissioning time, while reliable protection minimizes downtime and spare-parts requirements, contributing to a lower total cost of ownership and improved project ROI in demanding environments.