Eaton EBBRA104 TT50 3 Interlocked Receptacle - Hazardous

Part Number: EBBRA104 TT50 3
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
EBBRA104 TT50 3

Quick Summary

EBBRA104 TT50 3 interlocked receptacle provides safe, locked-out access for hazardous locations in industrial enclosures. Maintenance teams often struggle with unexpected energization and downtime without a reliable interlock. This device meets NEC/CEC standards and hazardous-location ratings, pairing with NEMA 3/3R/7/9/12 enclosures for durable protection. In practice, it supports safer startups, easier maintenance, and compliant installations, delivering reliability and cost efficiency for plant safety programs. Engineers specify 100A capacity and 480 Vac/250 Vdc ratings to match motor starters and power distribution in control panels. The solid door and copper-free aluminum construction resist harsh environments, keeping dust, moisture, and arc events at bay.

Product Information

Extended Description

EBBRA104 TT50 3 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite EBBR interlocked receptacle, 100A, 50A circuit breaker, Three-wire, four-pole, Solid door, With breaker, Style 2, General Electric, Copper-free aluminum, Spring door, 1-1/2", 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series Arktite EBBR interlocked receptacle
Catalog Number
EBBRA104 TT50 3
Product Length/Depth
14.06 in
Product Height
24.7 in
Product Width
10.25 in
Product Weight
14.35 lb
UPC
782274418124
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 7 9 12
Receptacle style
Spring door
Enclosure type
With breaker
Amperage Rating
100A
Grounding style
Style 2
Configuration
Three-wire, four-pole
Trade size
1-1/2"
Voltage rating
480 Vac/250 Vdc
Circuit breaker amperage
50A
Manufacturer
General Electric
Door style
Solid
Material
Copper-free aluminum
Feature: Interlocked receptacle with an enclosed circuit breaker and a 100A rating. Business Impact: Ensures confirmed isolation during servicing, reducing the risk of arc flash and unintentional energization, which translates into safer maintenance windows and lower incident-related downtime. Application: Ideal for control panels in hazardous locations where guaranteed lockout is mandatory, such as chemical processing or refining facilities. Feature: Spring door design with a solid enclosure and copper-free aluminum construction. Business Impact: Enhances durability in dusty, humid, or corrosive environments, extending service life and reducing replacement costs. Application: Suitable for outdoor installations or plant floors with challenging environmental exposure. Feature: Three-wire, four-pole configuration with a 1-1/2" trade size and 480 Vac/250 Vdc rating. Business Impact: Supports high-voltage distribution while maintaining safe interlock coordination, enabling reliable power control for heavy equipment. Application: Common in motors, conveyors, and power distribution panels in hazardous locations. Feature: Compliance and protection suite including NEC/CEC standards and NEMA ratings 3, 3R, 7, 9, 12. Business Impact: Aligns with multiple regulatory requirements, streamlining procurement and permitting processes. Application: Global deployments across chemical, oil & gas, mining, and industrial automation environments. Feature: Weight and material optimization with copper-free aluminum at 14.35 lb. Business Impact: Facilitates simpler installation and modular upgrades, reducing labor time and associated costs. Application: Retrofit projects within existing racks or confined spaces where weight and maneuverability matter.

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FAQs

The EBBRA104 TT50 3 is designed for Arktite EBBR enclosures with a 1-1/2" trade size and a solid door. It supports three-wire, four-pole configurations and integrates with enclosed circuit breakers, enabling secure mounting within hazardous-location panels. Compatibility with standard mounting patterns and the spring-door enclosure simplifies retrofits and new installations alike, reducing commissioning time.
The interlock prevents door opening while the circuit is energized, ensuring lockout during service. This minimizes the risk of arc flash and unexpected energization, which translates into safer maintenance windows and reduced downtime. The design meets NEC/CEC requirements and is rated for Class I/II, Division 1 and 2, improving overall plant safety compliance.
Yes. The Arktite EBBR interlocked receptacle is rated for Hazardous/Classified Locations, with NEC hazard ratings layered into Class I, Division 1 and 2, and Class II/III where applicable. It is compatible with NEMA ratings 3, 3R, 7, 9, 12, ensuring reliable performance in harsh environments such as chemical plants, oil & gas facilities, and mining operations.
The unit complies with NEC/CEC standards and carries multiple NEMA ratings (3, 3R, 7, 9, 12). It is designed for Hazardous/Classified Locations and is suitable for use with enclosed circuit breakers in explosionproof applications. These certifications streamline approvals and procurement in regulated industries.
ROI stems from improved safety, reduced downtime, and fewer unplanned maintenance events. The EBBRA104 TT50 3’s robust aluminum construction and reliable interlock cut maintenance costs and energy shut-down time significantly. Additionally, compliance with NEC/CEC and NEMA ratings reduces regulatory risk and expedites commissioning, delivering faster project payback.