Eaton EFDC32105 EFD Circuit Breaker - Hazardous Locations
Part Number: EFDC32105
Quick Summary
The Eaton EFDC32105 EFD circuit breaker is engineered for explosionproof protection in hazardous locations, delivering reliable circuit interruption where safety is critical. Engineers often struggle with balancing robust protection and serviceability in confined enclosures, especially in explosive atmospheres. This model carries NEC/CEC compliance and hazardous location ratings to help meet stringent industry requirements, including Class I Division 1 and Division 2, Class II Division 2, and Class III environments, plus NEMA ratings. By integrating a two-gang enclosure with a 1" trade size and bolted/ground joint cover, it supports scalable protection across panels while reducing downtime. In addition to core protection, it aligns with maintenance workflows and procurement standards for industrial electrical protection and compliant infrastructure deployments.
Product Information
Extended Description
EFDC32105 Eaton: Eaton Crouse-Hinds series EFD circuit breaker, 20A, Bolted/ground joint cover construction, Feraloy iron alloy, Square D breaker, Two-gang, Single-pole, Through feed, 1", 120/240 Vac
Product Name
Eaton Crouse-Hinds series EFD circuit breaker
Catalog Number
EFDC32105
UPC
782274034249
Product Length/Depth
7.19 in
Product Height
7.13 in
Product Width
5 in
Product Weight
14.42 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 2 Class III Class II, Division 1
NEMA Rating
3 7 9 12
Enclosure
With circuit breaker
Number of gangs
Two-gang
Style
Through feed
Amperage Rating
20 A
Trade size
1"
Manufacturer
Square D
Number of poles
Single-pole
Voltage rating
120/240 Vac
Enclosure cover construction
Bolted/ground joint
Enclosure material
Feraloy iron alloy
EFD and EFDC Series Explosionproof Circuit Breakers catalog page
Eaton Specification Sheet - EFDC32105
Feature → Business Impact → Application: The EFDC32105 uses a 20 A amperage rating and 120/240 Vac voltage rating to deliver precise control over fault currents, reducing equipment damage and improving uptime in hazardous areas. This directly supports safer, more reliable facility power distribution in chemical plants, oil/gas facilities, and mining operations. Feature → Business Impact → Application: With a two-gang, single-pole, through-feed configuration and a bolted/ground joint enclosure, field installation is streamlined, enabling faster retrofits and simpler maintenance in legacy installations. This setup improves installation efficiency and reduces labor costs during equipment upgrades. Feature → Business Impact → Application: Constructed from Feraloy iron alloy, the enclosure provides rugged corrosion resistance and thermal stability, extending service intervals and minimizing replacement costs in harsh environments. This is advantageous for outdoor substations and machine rooms subject to temperature fluctuations. Feature → Business Impact → Application: The EFD/EFDC series’ explosionproof performance supports compliance with NEC/CEC and Area Classification requirements, offering a documented path to regulatory conformity and safer asset operation. This is critical for end markets like refineries, drilling platforms, and chemical processing. Feature → Business Impact → Application: Availability of two-gang, through-feed protection enables modular expansion without replacing entire panels, supporting scalable automation architectures and reducing total cost of ownership in multi-line systems. Feature → Business Impact → Application: The enclosure’s compatibility with standard mounting footprints and common Square D lineage minimizes engineering risk during upgrades, making it easier to source spares and accelerate commissioning in Northeastern and global facilities.
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FAQs
EFDC32105 is designed for hazardous/classified locations and supports NEC/CEC compliance with Class I Division 1 and 2, Class II Division 2, and Class III ratings. Its two-gang enclosure, single-pole configuration, and 1" trade size make it ideal for space-constrained panels in chemical plants, refineries, and mining facilities where dependable protection and serviceability are critical.
The device provides a 20 A amperage rating with a 120/240 Vac voltage rating. It is a single-pole, two-gang through-feed circuit breaker enclosed in a bolted/ground joint cover made from Feraloy iron alloy, suitable for explosionproof installations and demanding environments.
EFDC32105 is part of the Eaton Crouse-Hinds EFD/EFDC line and accommodates standard through-feed, two-gang configurations. While it follows Square D lineage for compatibility reasons, always verify enclosure dimensions, mounting patterns, and terminal provisions when retrofitting into legacy Square D systems to ensure seamless integration.
EFDC32105 carries NEC/CEC compliance and hazardous location ratings, including Class I Division 1 and 2, Class II Division 2, and Class III. It is designed for Hazardous/Classified Locations with suitable area classifications and appropriate NEMA enclosure ratings (3, 7, 9, 12) to support demanding industrial environments.
The rugged Feraloy enclosure and explosionproof construction reduce corrosion and wear, lowering maintenance intervals and replacement costs. The through-feed, two-gang design simplifies expansions and upgrades, shortening downtime during commissioning. Overall, customers gain improved uptime, safer operations, and a clearer path to regulatory compliance in hazardous facilities.