Eaton EBBRA304 TT20 3 Interlocked Receptacle - Hazardous Locations
Part Number: EBBRA304 TT20 3
Manufacturer
Eaton Crouse-Hinds
Part number
EBBRA304 TT20 3
Quick Summary
Interlocked Receptacle by Eaton EBBRA304 TT20 3 delivers safe, controlled access in industrial electrical panels used in hazardous locations. Maintenance teams often struggle with accidental energization during servicing; this interlock design mitigates that risk by preventing door opening while power is present. Key certifications like NEC/CEC compliance, Hazardous/Classified Locations ratings, and NEMA configurations (3, 3R, 7, 9, 12) support reliable operation across demanding environments. For safety-sensitive installations, the solution also aligns with explosion-protected equipment standards while offering compatibility and cost efficiency for panel upgrades. This combination enables safer, compliant, and more efficient electrical protection and circuit control in industrial facilities.
Product Information
Extended Description
EBBRA304 TT20 3 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite EBBR interlocked receptacle, 30A, 20A 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
EBBRA304 TT20 3
Product Length/Depth
14.06 in
Product Height
22.85 in
Product Width
10.25 in
Product Weight
1 lb
UPC
782274417202
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
30A
Grounding style
Style 2
Configuration
Three-wire, four-pole
Trade size
1-1/2"
Voltage rating
480 Vac/250 Vdc
Circuit breaker amperage
20A
Manufacturer
General Electric
Door style
Solid
Material
Copper-free aluminum
SP3D Design Package - Arktite EBBR Explosionproof Interlocked Receptacles with Enclosed Circuit Breakers
Arktite EBBR Explosionproof Interlock Receptacles catalog page
Arktite EBBR Explosionproof Interlock Receptacles with Enclosed Circuit Breakers UL certification
Arktite EBBR Explosionproof Interlock Receptacles with Enclosed Circuit Breakers UL certification
IF 1311 - EBBR Replacement Kit
IF 1311 - EBBR Replacement Kit
Eaton Specification Sheet - EBBRA304 TT20 3
Feature → Business Impact → Application: Interlocked spring-door and solid-door design reduces tampering and exposure to live parts, improving operator safety and reducing incident-related downtime in hazardous areas. Application: explosion-proof interlocked receptacles in chemical plants and oil & gas facilities. Feature → Business Impact → Application: Enclosure type With breaker consolidates enclosure and protection, simplifying wiring and maintenance while ensuring robust fault containment. Application: control panels in hazardous zones needing an integrated circuit-protection solution. Feature → Business Impact → Application: Copper-free aluminum construction provides corrosion resistance and lighter weight, extending service life in harsh environments and lowering structural handling costs. Application: outdoor or chemical-processing plants with reactive atmospheres. Feature → Business Impact → Application: 30A amperage rating paired with 480 Vac/250 Vdc capability supports high-load drives and motors, improving panel throughput and reducing cascading wiring needs. Application: motor control centers and process lines. Feature → Business Impact → Application: Style 2 grounding and three-wire, four-pole configuration ensures reliable fault clearance and improved protective conductor reliability. Application: hazardous locations requiring precise grounding for personnel protection and equipment safety. Feature → Business Impact → Application: 1-1/2 inch trade size and solid door with Spring door options deliver durable operation in dusty or abrasive environments, minimizing maintenance cycles. Application: rugged installations in mining or water treatment facilities.
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FAQs
This model is designed for hazardous/classified locations with a 1-1/2 inch trade size, three-wire four-pole configuration, and an integrated 20A circuit breaker. Follow the installation instructions in IF1311 for EBBR replacements and refer to the SP3D package for mounting and wiring details to ensure compliant, safe integration into your panel.
The receptacle supports 30A with a voltage rating of 480 Vac/250 Vdc, using copper-free aluminum construction and a Style 2 grounding scheme. With a solid door or spring door option, it offers reliable fault containment and ease of service, suitable for high-load drives and hazardous-area control circuits in industrial facilities.
Yes. The unit features NEC/CEC compliance and NEC hazardous ratings that cover Class I Division 1 and 2, Class II Division 1 and 2, and Class III, plus area classifications for Hazardous/Classified Locations. This makes it appropriate for a wide range of hazardous industrial environments when installed per applicable standards.
Documentation includes UL certification listings for Arktite EBBR interlock receptacles with enclosed circuit breakers, a catalog page, and specification sheets. Additional data cover installation instructions, 3D design packages, and NEC/CEC compliance details to support regulatory audits and supplier qualification processes.
Inline interlock receptacles reduce maintenance downtime by preventing energization during servicing, lowering the risk of arc flash events. The integrated breaker streamlines wiring and spare parts handling while the corrosion-resistant aluminum enclosure extends service life in harsh environments, delivering lower lifecycle costs and safer, faster panel upgrades.