Eaton EBMBK WT350KD36 Explosionproof Breaker - KD Frame
Part Number: EBMBK WT350KD36
Quick Summary
Eaton EBMBK WT350KD36 is an explosionproof circuit breaker designed for hazardous locations in industrial power distribution. For engineers and maintenance teams, downtime and noncompliance are costly; this unit delivers robust protection and long service life in harsh environments. Certified for NEC/CEC and hazardous locations, with Class I, II and III ratings and NEMA compatibility, it meets critical safety standards. Designed for quick installation and reliable operation in process industries, it supports scalable protection from 100 to 400 A with a 350 A trip in a 400 A KD frame. Its copper-free aluminum enclosure reduces weight and simplifies handling during installation, while bolted/ground joint/gasketed cover construction provides dependable containment in dust, moisture, and gas-rich environments.
Product Information
Extended Description
EBMBK WT350KD36 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, 350A trip, 600 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBK WT350KD36
UPC
782274217918
Product Length/Depth
20.28 in
Product Height
42.65 in
Product Width
10.92 in
Product Weight
328 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 1149 - Wiring
IF 1149 - Wiring
IF 1149 - Wiring
Eaton Specification Sheet - EBMBK WT350KD36
Explosionproof KD frame three-pole design delivers reliable protection for feeders and motor circuits in hazardous locations, enabling safer start-up sequences and reduced risk of arc flash incidents. Business impact: enhanced safety, improved uptime, and compliance with industry standards. Application: chemical processing, oil & gas, mining, and other demanding industrial settings. Copper-free aluminum enclosure reduces weight for easier handling and faster commissioning, improving field productivity without compromising durability in corrosive environments. Business impact: lower installation labor costs and longer equipment life. Application: offshore platforms, refineries, and warehouse MCCs where weight and corrosion resistance matter. Enclosure construction with bolted/ground joint/gasketed cover provides a robust seal against dust, moisture, and hazardous gases, supporting longer intervals between inspections. Business impact: reduced maintenance cycles and predictable performance in tough locations. Application: control panels in Class I, Division 1/2 and Class II environments. Certifications and standards compliance are baked in, including NEC/CEC and NEMA ratings, minimizing regulatory risk and accelerating project approvals. Business impact: smoother audits and faster procurement. Application: critical energy distribution in regulated facilities. Documentation and product support, including SP3D models, catalogs, and installation sheets, shorten design cycles and improve field service readiness. Business impact: faster time-to-value for projects and reduced downtime during commissioning. Application: engineering design libraries, system integrators, and service teams.
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FAQs
Install EBMBK WT350KD36 as a three-pole breaker in a KD frame panel designed for Class I and II environments. Use the bolted/ground joint with gasketed cover to ensure a sealed enclosure. Verify 600 Vac/250 Vdc rating and confirm 100–400 A range with a 350 A trip. Follow Eaton installation sheets and UL/CSACanadian guidelines for commissioning and interlock wiring to minimize startup time.
Key specs include a 600 Vac/250 Vdc maximum, 100 A through 400 A amperage rating, three-pole configuration, and a 350 A trip setting in a 400 A KD frame. This combination supports coordinated feeder protection and selective tripping for heavy-duty motor loads while maintaining safe shutdown in fault conditions.
Yes. The EBMBK WT350KD36 is designed for hazardous/Classified locations with NEC/CEC compliance and Class I, II, and III ratings, making it suitable for oil and gas, chemical processing, and other demanding environments. Its copper-free aluminum enclosure reduces weight, while gasketed covers protect against dust and gas ingress, aiding reliable operation in harsh facilities.
EBMBK WT350KD36 carries NEC/CEC standards support and hazardous location ratings (Class I Division 1 & 2, Class II Division 1 & 2, Class III). It also aligns with NEMA ratings 3, 3R, 4, 7, 9, and 12, plus Canadian certification coverage. These certifications help simplify regulatory approvals and ensure compliance across North American installations.
The rugged, explosionproof design, corrosion-resistant copper-free aluminum enclosure, and gasketed sealing reduce maintenance cycles and extend service life in harsh environments. The 350 A trip with 100–400 A range supports reliable fault isolation and long-term protection, lowering total cost of ownership through reduced downtime, fewer replacements, and easier field servicing aided by accessible installation instructions and available 3D models.