Eaton EBMBA TT20TED34 Explosionproof Circuit Breaker
Part Number: EBMBA TT20TED34
Quick Summary
The Eaton EBMBA TT20TED34 is an explosionproof circuit breaker for hazardous industrial locations. In demanding environments, downtime and compliance risk threaten productivity, and this unit helps mitigate both with a bolted/ground joint and gasketed cover for rugged seals. It carries NEC/CEC compliance and area classifications for Hazardous/Classified Locations, plus compatible NEMA ratings 3, 3R, 4, 7, 9, and 12, enabling field replacement across sites. With a 150A frame, a 10 A through 70 A range, and a copper-free aluminum enclosure weighing about 87 lb, it delivers reliable protection without excessive install weight, supporting safer, quicker panel upgrades and streamlined maintenance.
Product Information
Extended Description
EBMBA TT20TED34 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 10A through 70A, TED frame type, Bolted/ground joint/gasketed cover construction, Copper-free aluminum, 150A frame size, General Electric breaker, Three-pole, 20A trip, 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBA TT20TED34
UPC
662276075320
Product Length/Depth
14.78 in
Product Height
19.4 in
Product Width
10.25 in
Product Weight
87 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
150A
Amperage Rating
10 A through 70 A
Manufacturer
General Electric
Circuit breaker frame type
TED
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 TT20TED34
Feature: Explosionproof TED frame and three-pole design provide robust arc-fault protection in hazardous environments. Business Impact: Improves safety, reduces risk of explosive release and downtime. Application: Chemical processing, oil and gas, and other classifications requiring certified protection. Feature: Bolted/ground joint and gasketed cover construction. Business Impact: Enhances enclosure integrity and ingress protection, lowering maintenance costs and extending service intervals. Application: Installation in harsh, dusty, or humid facilities where seal integrity matters. Feature: Copper-free aluminum enclosure. Business Impact: Lighter weight reduces handling, shipping, and installation effort, cutting total installed cost. Application: Large control enclosures and retrofit projects. Feature: 480 Vac/250 Vdc rating with a 150A frame and 10–70 A range. Business Impact: Supports versatile panel design and mixed electrical systems, improving design flexibility. Application: Medium-power feeders and protection schemes in industrial plants. Feature: Certifications and ratings (NEC/CEC, Hazardous/Classified Locations, NEMA 3/3R/4/7/9/12). Business Impact: Simplifies compliance and documentation for audits and commissioning. Application: Global projects with stringent regulatory requirements.
Get a Quick Quote for a Eaton EBMBA TT20TED34
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton EBMBA TT20TED34?
Enquire Now
FAQs
The TT20TED34 is designed for the EBMB explosionproof family and fits three-pole configurations within standard EBMB enclosures. It uses bolted/ground joint and gasketed cover construction for secure sealing, simplifying retrofit and ensuring consistent performance across existing installations.
Key specifications include a 10 A through 70 A amperage rating, 480 Vac / 250 Vdc voltage rating, three poles, and a 150 A frame size. It is built to meet NEC/CEC standards and is rated for Hazardous/Classified Locations with compatible NEMA configurations (3, 3R, 4, 7, 9, 12).
Yes. The EBMB series, including TT20TED34, is certified for Hazardous/Classified Locations per NEC/CEC guidelines, with area classifications appropriate for Class I, Division 1 as part of its explosionproof design and gasketed enclosure construction.
Maintenance benefits from the gasketed cover and stainless-style bolted joints that maintain enclosure integrity. Eaton provides installation sheets (IF 1149/IF 1150/IF 1616) and a SP3D design package for installation planning and lifecycle efficiency, reducing field troubleshooting time.
The unit has a length/depth of 14.78 in, height of 19.4 in, width of 10.25 in, and weighs approximately 87 lb. This footprint supports mid-size enclosures and compatible panel layouts while maintaining robust protection in hazardous settings.