Eaton EFDC31106 SA EFD Circuit Breaker - Hazardous
Part Number: EFDC31106 SA
Quick Summary
Introducing the Eaton EFDC31106 SA EFD circuit breaker, engineered to protect electrical systems in hazardous environments up to 120/240 Vac. This model combines explosion-proof construction with straightforward single-pole operation, designed to minimize downtime during installation and maintenance. For engineers juggling safety compliance and reliability, the EFDC31106 SA addresses common pain points such as difficult wiring in restricted spaces and the need for rugged enclosure materials. It carries NEC/CEC standard compliance and hazardous location ratings, including Class I Division 1 and Class II Division 2 classifications, plus compatibility with NEMA 3, 7, 9, and 12 enclosures. The copper-free aluminum enclosure and through-feed design offer durability, easier mounting, and long-term cost efficiency for industrial plants.
Product Information
Extended Description
EFDC31106 SA Eaton: Eaton Crouse-Hinds series EFD circuit breaker, 30A, Bolted/ground joint cover construction, Copper-free aluminum, Square D breaker, Single-gang, Single-pole, Through feed, 1", 120/240 Vac
Product Name
Eaton Crouse-Hinds series EFD circuit breaker
Catalog Number
EFDC31106 SA
UPC
782274572475
Product Length/Depth
3.5 in
Product Height
7.13 in
Product Width
5 in
Product Weight
4 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
Single-gang
Style
Through feed
Amperage Rating
30 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
Copper-free aluminum
EFD and EFDC Series Explosionproof Circuit Breakers catalog page
Eaton Specification Sheet - EFDC31106 SA
Feature: Hazardous location ratings and NEC/CEC compliance. Business Impact: Enables safe operation and regulatory alignment in demanding environments, reducing scope creep during audits. Application: suitable for oil and gas, chemical processing, and mining facilities where Class I Division 1 and related classifications are required. Feature: Copper-free aluminum enclosure with bolted ground joint cover. Business Impact: improves corrosion resistance and mechanical protection, lowering maintenance frequency and replacement costs. Application: outdoor or moisture-prone installations and harsh plant floors. Feature: Through feed, single-gang design with 1 inch trade size. Business Impact: simplifies wiring access and installation time, cutting labor costs and limiting field modifications. Application: compact control panels and single-pole protection in restricted spaces. Feature: 30 A amperage rating with 120/240 Vac capability. Business Impact: aligns with typical branch circuit protection while allowing flexible load management. Application: standard industrial loads and equipment circuits. Feature: NEMA ratings 3, 7, 9, 12 and compatibility with Square D systems. Business Impact: broadens application scope and eases integration with existing protection schemes. Application: hazardous environments requiring versatile enclosure compatibility and reliable performance across multiple standards.
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FAQs
The EFDC31106 SA is designed for Class I and Class II hazardous locations with a bolted/ground joint enclosure and copper-free aluminum housing. When installing, ensure alignment with 1 in trade size, single-pole through feed wiring, and proper grounding. Verify enclosure integrity after mounting and follow NEC/CEC guidance for hazardous area terminations to maintain compliance and safety.
This model provides a 30 A amperage rating and a 120/240 Vac voltage rating, enabling protection for standard branch circuits in industrial settings. The through-feed, single-pole configuration supports simple protection schemes in compact panels, while the copper-free aluminum enclosure offers durability in harsh environments, reducing service interruptions and facilitating compliant wiring practices.
Yes. The EFDC31106 SA is specified as single-gang, single-pole with through-feed capability and a 1 inch trade size. This makes it well suited for compact control panels where space is at a premium, while still delivering robust protection in hazardous environments. Ensure proper conductor sizing and secure connections to minimize voltage drop and heat rise.
The unit carries NEC/CEC standards compliance and hazard classifications including Class I Division 1 and Class II Division 2, plus multiple NEMA ratings (3, 7, 9, 12). These certifications validate safe operation in hazardous locations, enable regulatory acceptance, and support installation in diverse industrial applications from chemical plants to mining facilities.
The 30 A EFDC31106 SA leverages a copper-free aluminum enclosure that resists corrosion, reducing maintenance cycles and part replacements. Its rugged construction and compatibility with existing Square D protection schemes streamline installation and spare-part planning, delivering lower lifecycle costs, fewer unexpected outages, and faster fault isolation in hazardous environments.