Eaton EBMBB WT45EHD34 circuit breaker - Explosionproof
Part Number: EBMBB WT45EHD34
Quick Summary
EBMB circuit breakers by Eaton deliver reliable overcurrent protection for equipment in hazardous locations. For engineers and procurement teams, selecting a device that combines rugged construction with long-term service life helps reduce downtime and maintenance costs. This model is certified for NEC/CEC compliance and hazardous locations, including Class I, Division 1 and Class II ratings, with additional NEMA protections. The combination of bolted/ground joint/gasketed enclosure, copper-free aluminum, and a robust three-pole design supports dependable performance in demanding environments. By delivering proven protection with straightforward installation and compatible accessories, it strengthens safety, uptime, and total cost of ownership across motor-startups, feeders, and control panels in harsh settings.
Product Information
Extended Description
EBMBB WT45EHD34 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 15A through 100A, EHD frame type, Bolted/ground joint/gasketed cover construction, Copper-free aluminum, 100A frame size, Cutler-Hammer breaker, Three-pole, 45A trip, 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBB WT45EHD34
UPC
662276512474
Product Length/Depth
14.78 in
Product Height
26.9 in
Product Width
10.25 in
Product Weight
134 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
480 Vac/250 Vdc
Frame size
100A
Amperage Rating
15A through 100A
Manufacturer
Cutler-Hammer
Circuit breaker frame type
EHD
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 1616 - Flange Gasket Replacement Kit
IF 1616 - Flange Gasket Replacement Kit
IF 1616 - Flange Gasket Replacement Kit
Eaton Specification Sheet - EBMBB WT45EHD34
Feature: Explosionproof EBMB construction combined with copper-free aluminum; Business Impact: Enhances safety and corrosion resistance in harsh environments, reducing maintenance cycles and replacement costs; Application: Suitable for chemical processing plants and refineries where ignition sources must be controlled and equipment exposure is high. Feature: Bolted/ground joint/gasketed enclosure construction; Business Impact: Tight ingress protection and improved enclosure integrity lower risk of dust, moisture, and gas ingress; Application: Install in hazardous locations with stringent sealing requirements in control rooms and outdoor installations. Feature: Three-pole, 100A frame size, 15A through 100A amperage range; Business Impact: Flexible protection for a wide range of feeders and motor circuits, enabling standardization and easier spares management; Application: Power distribution for motors and feeders in plant floors. Feature: 480 Vac/250 Vdc voltage rating; Business Impact: Supports universal industrial power systems, reducing the need for multiple device types; Application: Main and branch circuit protection in mixed AC/DC environments. Feature: EHD frame type and 26.9 in height, 14.78 in depth, 10.25 in width; Business Impact: Compatible footprint with larger cubicles and switchgear; Application: Retrofit projects and new builds needing explosive-proof packaging with solid form factor. Feature: Enclosure with copper-free aluminum and gasketed cover; Business Impact: Improves longevity and reduces maintenance in corrosive atmospheres; Application: Petrochemical, offshore, and chemical processing facilities. Feature: Compliance with NEC/CEC, UL certifications for hazardous locations; Business Impact: streamlines procurement and regulatory acceptance; Application: Projects requiring strict compliance and traceable certifications. Feature: NEMA ratings 3, 3R, 4, 7, 9, 12; Business Impact: Broad environmental readiness and protection against water, dust, and corrosion; Application: Outdoor and indoor installations in challenging climates.
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FAQs
EBMB WT45EHD34 is designed for hazardous locations with a bolted/ground joint and gasketed enclosure. It integrates into standard enclosure assemblies used in control panels and switchgear for hazardous areas, offering a compact footprint (14.78 in depth, 26.9 in height, 10.25 in width) and a 134 lb weight for stable installation.
This model carries NEC/CEC compliance and hazardous location ratings including Class I Division 1 and Class II Division 1 and 2, as well as Class III. It is part of the UL-certified EBMB series, with listings for area classification and broad NEMA protection (3, 3R, 4, 7, 9, 12) to support regulatory and safety requirements.
The breaker provides a 15A through 100A amperage range, with a 100A frame size and a three-pole configuration. It is rated for 480 Vac / 250 Vdc, utilizing the EHD frame type to deliver reliable protection across mixed AC/DC circuits in hazardous locations.
Choose EBMB WT45EHD34 for its explosionproof construction, copper-free aluminum, and gasketed enclosure that minimize ignition risk and corrosion. The device meets NEC/CEC requirements and provides UL-listed protection for Class I/II and Class III environments, delivering dependable trip performance while simplifying compliance and procurement in demanding plants.
Installation instructions and datasheets are available from Eaton, including SP3D packaging, EBMB catalogs, UL certification pages, and the Eaton specification sheet for WT45EHD34. Access IF 1616 flange gasket replacements and related installation sheets to ensure correct mounting, gasket sealing, and compatible accessories.