Eaton EBMBA TT50TEB32 Circuit Breaker - Explosionproof
Part Number: EBMBA TT50TEB32
Quick Summary
The Eaton Crouse-Hinds EBMB TT50TEB32 circuit breaker protects hazardous-location electrical systems in three-pole configurations. End users often struggle with equipment that fails in classified spaces or cannot meet NEC/CEC and NEMA requirements. This unit carries NEC/CEC standards and hazard-location ratings (Class I, Division 1 and 2; Class II, Division 1 and 2; Class III), plus NEMA compatibility for 3, 3R, 4, 7, 9, 12, to streamline audits. Designed for rugged industrial environments, it features a TEB frame with copper-free aluminum and a bolted/ground joint/gasketed cover for durable field service. The combination translates to safer, faster installations, reduced rework, and enduring compliance in critical facilities, delivering clear business value for plant operators and installers.
Product Information
Extended Description
EBMBA TT50TEB32 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 10A through 70A, TEB frame type, Bolted/ground joint/gasketed cover construction, Copper-free alum, 100A or 150A frame size, General Electric breaker, Three-pole, 50A trip, 240 Vac/125-250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBA TT50TEB32
UPC
662276682320
Product Length/Depth
14.78 in
Product Height
19.4 in
Product Width
10.25 in
Product Weight
92 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class I, Division 1 Class I, Division 2 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
240 Vac/125-250 Vdc
Frame size
100 A or 150 A
Amperage Rating
10 A through 70 A
Manufacturer
General Electric
Circuit breaker frame type
TEB
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 - EBMBA TT50TEB32
Feature: Amperage range of 10 A through 70 A with a three-pole configuration and a 240 VAC / 125-250 VDC voltage rating. Business Impact: Enables precise feeder protection and compatibility with mixed-utility loads, reducing nuisance trips and preserving equipment life. Application: Ideal for motor feeders and distribution panels in hazardous environments. Feature: TE B frame option with 100 A or 150 A frame size. Business Impact: Facilitates seamless integration into existing switchgear and retrofits without extensive reconfiguration. Application: Medium to large installations in chemical plants and oil/gas facilities. Feature: Enclosure construction includes bolted/ground joint with gasketed cover and copper-free aluminum. Business Impact: Improves corrosion resistance and water/dust sealing, lowering maintenance costs and downtime. Application: Outdoor and corrosive service areas in mining and refining operations. Feature: Certifications and compliance include NEC/CEC, hazardous location classifications (Class I/II/III), and NEMA ratings 3, 3R, 4, 7, 9, 12. Business Impact: Streamlines regulatory approvals, simplifies audits, and supports safer, compliant installations. Application: Facilities with strict safety and environmental requirements. Feature: Enclosure included with the breaker and three-pole configuration support. Business Impact: Reduces installation steps and parts sourcing, accelerating project timelines. Application: New builds and retrofit projects in hazardous locations with tight schedules. Feature: Broad manufacturer lineage with GE heritage and continued Eaton Crouse-Hinds EBMB development. Business Impact: Access to mature design, global support, and established spare parts supply. Application: Global plants aligning with standardized protection approaches.
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FAQs
For hazardous locations, mount per NEC/CEC guidelines and use the EBMB enclosure with gasketed cover. Ensure proper grounding, confirm Class I/II/III location classification, and verify that the 240 VAC/125-250 VDC supply matches the 10–70 A rating. Use compatible conduit fittings and sealants to maintain the enclosure integrity.
Key specs include a three-pole design with amperage ratings from 10 to 70 A, voltage rating of 240 VAC / 125–250 VDC, and frame options of 100 A or 150 A (TEB). It is built for 3-pole protection and is rated for hazardous-location service as part of the EBMB line.
Industries with classified locations such as oil & gas, chemical processing, mining, and food/beverage facilities benefit most. The unit’s explosionproof construction, NEC/CEC compliance, and NEMA ratings support reliable feeder protection for motors, pumps, and control panels in harsh environments.
Expect NEC/CEC compliance, hazard-location ratings (Class I, II, III across Division 1 and 2), and NEMA ratings 3, 3R, 4, 7, 9, 12. This combination supports regulatory audits, safe operation in hazardous areas, and compatibility with standard industrial safety programs.
The rugged copper-free aluminum enclosure and gasketed covers reduce corrosion and sealing failures, lowering maintenance costs. Its compatibility with standard EBMB families simplifies spares provisioning, reducing downtime and total cost of ownership over the equipment lifecycle.