Eaton Crouse-Hinds EB BRA604 TT70 3 Interlocked Receptacle - Explosionproof Hazardous Locations

Part Number: EBBRA604 TT70 3
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
EBBRA604 TT70 3
Category

Quick Summary

Eaton Crouse-Hinds Arktite EBBR interlocked receptacle provides controlled disconnection in hazardous environments. Engineers often struggle with downtime and regulatory risk when interlocks fail or enclosures aren’t robust enough. This unit merges spring-door interlock, enclosed circuit breaker, and explosionproof design to minimize risk and simplify maintenance. It supports NEC/CEC compliance and area classifications for Class I, Division 1, 2, Class II, Division 1, 2, and Class III, plus compatible NEMA ratings. For oil and gas, chemical processing, and heavy manufacturing, the combination of rugged protection and installation efficiency translates to safer startups, faster servicing, and long-term cost savings. The 60A rating with a 70A circuit breaker provides flexible protection for demanding equipment spans.

Product Information

Extended Description

EBBRA604 TT70 3 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite EBBR interlocked receptacle, 60A, 70A 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
EBBRA604 TT70 3
Product Length/Depth
14.06 in
Product Height
23.95 in
Product Width
10.25 in
Product Weight
1 lb
UPC
782274418094
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
60A
Grounding style
Style 2
Configuration
Three-wire, four-pole
Trade size
1-1/2"
Voltage rating
480 Vac/250 Vdc
Circuit breaker amperage
70A
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 Canadian certification Arktite EBBR Explosionproof Interlock Receptacles with Enclosed Circuit Breakers Canadian certification IF 1224 - EBBR Interlocked Receptacle IF 1224 - EBBR Interlocked Receptacle Eaton Specification Sheet - EBBRA604 TT70 3
Feature interlocked receptacle with enclosed breaker → Business impact safer start-stop and reduced energy exposure → Application hazardous locations in chemical processing, oil & gas, and heavy manufacturing. Feature 60A receptacle and 70A circuit breaker → Business impact optimized protection for mid-range electrical loads with compliance headroom → Application scalable protection for equipment banks and feeder groups. Feature copper-free aluminum construction → Business impact corrosion resistance and lighter installation weight → Application offshore platforms and harsh industrial environments requiring durable enclosures. Feature spring-door receptacle style and solid enclosure → Business impact fast, tool-free maintenance with reliable door integrity → Application high-duty environments where clean integrity and quick access matter. Feature NEC/CEC compliance with Class I/II/III ratings and NEMA 3, 3R, 7, 9, 12 → Business impact regulatory alignment and installer confidence → Application any hazardous-location project needing robust electrical protection. Feature 1-1/2" trade size and 480 Vac/250 Vdc capability → Business impact versatile integration with common plant electrical systems → Application retrofit and new builds across process plants and manufacturing facilities.

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FAQs

Installers should verify NEC Class I/II/III suitability and confirm area classification for the specific site. Ensure the enclosure remains sealed against dust and moisture, follow proper wiring torque for the 1-1/2" trade size conduits, and maintain the spring-door interlock to preserve operable access while the circuit is energized. Use compatible cables and secure a compliant ground connection (Style 2). Regularly inspect the enclosure for corrosion resistance in copper-free aluminum and verify the integrated breaker remains properly seated.
The 60A receptacle rating provides protection for normal load conditions, while the 70A circuit breaker offers deliberate overcurrent protection for short-term surges and startup transients. This pairing supports reliable operation of motors and feeders connected to 480 Vac/250 Vdc systems, reducing nuisance trips and enabling safer startup sequences in hazardous environments.
Yes. The EB BRA604 TT70 3 is designed for Hazardous/Classified Locations with NEC/CEC compliance and NEC hazardous ratings spanning Class I Division 1 and Division 2, as well as Class II and III. It also carries appropriate NEMA ratings (3, 3R, 7, 9, 12) to support installation in demanding industrial settings such as chemical plants and oil & gas facilities.
Schedule routine visual inspections for door integrity and seal condition, test the interlock operation during preventive maintenance, and verify the enclosure’s corrosion resistance (copper-free aluminum) remains uncompromised. Confirm insulation integrity and grounding continuity, and perform functional checks on the enclosed breaker to ensure reliable disconnection under fault conditions.
The interlock feature reduces accidental energization and unintentional access, lowering incident risk and maintenance downtime. Enclosed breakers simplify servicing and testing, while explosionproof construction minimizes risk in hazardous zones. Over time, these factors translate to lower maintenance costs, fewer unplanned outages, and longer equipment life, justifying the higher upfront cost in safety-critical applications.