Eaton EBMB S752 S756V WT30HFD34 - Explosionproof Circuit Breaker
Part Number: EBMBA S752 S756V WT30HFD34
Manufacturer
Eaton
Part number
EBMBA S752 S756V WT30HFD34
Quick Summary
Eaton EBMB S752 S756V WT30HFD34 is an explosionproof circuit breaker designed for hazardous-location electrical panels and distribution. This model addresses the common pain point of protecting critical equipment in challenging environments where dust, moisture, and corrosive atmospheres threaten uptime. It carries NEC/CEC compliance and hazardous-location approvals, including Class I, II, and III classifications, plus robust NEMA ratings to ensure reliable enclosure integrity in demanding sites. For engineers and procurement teams, this solution delivers long-term protection, reduced maintenance, and easier compliance management while integrating with standard 3-pole, 480 Vac/250 Vdc power systems and a copper-free aluminum enclosure to lower total cost of ownership.
Product Information
Extended Description
EBMBA S752 S756V WT30HFD34 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 15A through 70A, HFD frame, Bolted/ground joint/gasketed cvr constr, Copper-free alum, 100A frame, Cutler-Hammer brk, 3-pole, Ext epoxy powder, std breather/drain, 30A trip, 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBA S752 S756V WT30HFD34
UPC
662276747579
Product Length/Depth
14.78 in
Product Height
19.4 in
Product Width
10.25 in
Product Weight
102 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 2 Class I, Division 1 Class II, Division 1 Class III
NEMA Rating
3 3R 4 4X 7 9 12
Enclosure
With circuit breaker
Number of poles
Three-pole
Voltage rating
480 Vac/250 Vdc
Frame size
100A
Amperage Rating
15 A through 70 A
Manufacturer
Cutler-Hammer
Circuit breaker frame type
HFD
Enclosure cover construction
Bolted/ground joint/gasketed
Enclosure material
Copper-free aluminum
Special features
External epoxy powder coat finish, standard breather and drain
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 - EBMBA S752 S756V WT30HFD34
Feature → Business Impact → Application: Explosionproof HFD frame and three-pole design deliver reliable arc and fault protection in hazardous locations, reducing downtime and maintenance costs in oil, gas, mining, and chemical processing facilities. Application: hazardous-area motor control centers and feeders where safety certifications are non-negotiable. Feature → 480 Vac/250 Vdc voltage rating supports standard industrial power networks, enabling seamless integration with existing 480 V systems and critical DC interfaces used in control panels. Application: plant-wide protection for motors, pumps, and feeders with mixed voltage requirements. Feature → Copper-free aluminum enclosure offers corrosion resistance and lighter weight for easier installation and longevity in harsh environments. Application: exterior enclosures and enclosures exposed to chemicals or high humidity. Feature → Enclosure cover construction bolted/ground joint/gasketed with external epoxy powder coat finish reduces ingress and wear, enhancing life-cycle reliability. Application: outdoor or damp electrical rooms requiring durable sealing. Feature → Standard breather and drain helps moisture management, maintaining electrical integrity and reducing failure risks. Application: locations with condensation risk, ensuring consistent performance. Certification and compliance coverage including NEC/CEC, hazardous-location classifications (Class I, II, III), and NEMA ratings (3, 3R, 4, 4X, 7, 9, 12) provide confidence for regulatory acceptance across industries. Application: project commissioning in regulated sectors with strict safety and performance standards. Compatibility and installation advantages include 3-pole configuration, 100A frame size, and a 15–70 A range for scalable protection, enabling straightforward retrofit or panel upgrades in existing automation systems. Application: OEMs and integrators seeking modular, code-compliant protection without extensive hardware changes. Real-world context notes that these design choices reduce total installed cost by simplifying procurement, accelerating installation, and lowering field maintenance needs in hazardous environments.
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FAQs
This model is designed for hazardous and classified locations, including Class I, II, and III environments. It protects 3-pole circuits up to 70 A in 480 Vac/250 Vdc systems, making it ideal for oil and gas facilities, chemical plants, mining operations, and other panels requiring explosionproof protection and robust enclosure integrity.
Yes. The EBMB series carries NEC/CEC certifications and hazardous-location ratings that cover Class I, Division 1 and Division 2 environments, ensuring compliant operation in environments with flammable gases or vapors.
It uses a copper-free aluminum enclosure with an external epoxy powder coat finish, bolted/ground joint/gasketed cover construction, and standard breather and drain. These features provide corrosion resistance, moisture management, and reliable sealing in harsh plant environments.
The unit is a three-pole breaker in a 100A frame with a 15–70 A rating, designed for use with enclosures that house the EBMB series. It integrates into low-voltage distribution panels and control cabinets in industrial automation setups requiring hazardous-location protection.
The epoxy-coated exterior, breather/drain, and copper-free aluminum construction contribute to reduced corrosion and maintenance needs, improving uptime and safety compliance. The robust certifications and durable enclosure typically lower lifecycle costs in demanding facilities.