Eaton EBMB WT70FDB36 Circuit Breaker - Explosionproof
Part Number: EBMBB WT70FDB36
Quick Summary
The Eaton EBMB WT70FDB36 circuit breaker protects critical power feeds in hazardous industrial environments. This device helps minimize downtime by delivering reliable short-circuit and overload protection for demanding loads. It supports 600 Vac and a 150 A frame while offering three-pole operation for balanced protection across feeders. Users often face nuisance trips and difficult maintenance in hazardous locations; this model’s robust enclosure and frame design reduce false trips and simplify service. It carries NEC/CEC compliance and UL certification for hazardous locations, along with recognized NEMA ratings, ensuring broad regulatory alignment. The combination of an explosionproof construction with a copper-free aluminum enclosure enhances safety and longevity, while compatible EBMB accessories support seamless integration into existing systems.
Product Information
Extended Description
EBMBB WT70FDB36 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 15A through 150A, FDB frame type, Bolted/ground joint/gasketed cover construction, Copper-free aluminum, 150A frame size, Cutler-Hammer breaker, Three-pole, 70A trip, 600 Vac
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBB WT70FDB36
UPC
782274009711
Product Length/Depth
14.78 in
Product Height
26.9 in
Product Width
10.25 in
Product Weight
106 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
Frame size
150A
Amperage Rating
15 A through 150 A
Manufacturer
Cutler-Hammer
Circuit breaker frame type
FDB
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 UL certification
EBMB Explosionproof Circuit Breakers UL certification
IF 1149 - Wiring
IF 1149 - Wiring
IF 1149 - Wiring
Eaton Specification Sheet - EBMBB WT70FDB36
Explosionproof EBMB design delivers superior protection for hazardous locations, reducing downtime and safeguarding personnel in chemical plants and oil & gas facilities. This translates to lower total cost of ownership as maintenance intervals lengthen and replacement parts are standardized across the EBMB family. The FDB frame type and three-pole configuration enable consistent, balanced protection for multi-line feeders, improving system reliability in demanding industrial environments. Copper-free aluminum construction offers corrosion resistance with lighter weight, facilitating easier installation and long-term durability in humid or corrosive atmospheres. Enclosure cover construction featuring bolted, ground joint, and gasketed seals provides enhanced dust and moisture resistance, simplifying field service while maintaining fire and arc protection requirements. Compatibility with installation accessories and existing panels minimizes retrofit work and accelerates commissioning, supporting faster ROI for new projects and upgrades. Industry practitioners appreciate the combination of rugged build, regulatory alignment, and predictable trip characteristics for safer, more efficient operation.
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FAQs
Install per the IF wiring instructions in Eaton catalogs, ensuring the enclosure is rated for Hazardous/Classified Locations (Class I, Division 1/2). Use the bolted/ground joint/gasketed cover, three-pole configuration, and the 150 A frame to ensure proper clearance and torque. The SP3D and installation sheets provided by Eaton offer step-by-step guidance for field wiring and terminations.
Key specs include a 600 Vac voltage rating, 150 A frame size, three-pole configuration, and a trip range compatible with 15–150 A ratings, including a 70 A trip setting. The enclosure uses copper-free aluminum, with a FDB frame type that supports robust protection for hazardous locations, compliant with NEC/CEC and UL requirements.
Yes. The EBMB WT70FDB36 is designed for Hazardous/Classified Locations with NEC/CEC compliance and UL certifications for hazardous environments. Its NEMA ratings (3, 3R, 4, 7, 9, 12) support use in challenging chemical, oil, and gas processes, while the three-pole design ensures reliable protection for large feeders in demanding facilities.
The EBMB series carries NEC/CEC compliance and UL certification for hazardous locations, plus CAN/UL recognition for Canada. It is rated for Class I and II locations and Class III, with multiple NEMA ratings, ensuring broad regulatory alignment for multinational installations and strict adherence to safety standards.
Copper-free aluminum construction provides corrosion resistance and lighter weight, reducing maintenance burdens. Explosionproof design minimizes enclosure ingress risk, lowering repair costs. Standardized EBMB components simplify spares management and enable faster commissioning, delivering measurable ROI through reduced downtime and predictable performance in hazardous environments.