Eaton Crouse-Hinds D2CB12 40 breaker - Class I, Div 2
Part Number: D2CB12 40
Manufacturer
Eaton Crouse-Hinds
Part number
D2CB12 40
Quick Summary
D2CB12 40 replacement circuit breaker assembly delivers reliable protection for hazardous-location electrical panels. Engineers updating legacy equipment often wrestle with ensuring correct ratings, seal integrity, and quick compatibility in harsh environments. This unit aligns with NEC/CEC requirements and carries Class I, Division 2 hazard ratings, plus factory-sealed construction for classified locations. With copper-free aluminum construction and a two-pole 40 A, 120/240 V design, it reduces weight and long-term ownership costs while preserving code compliance.
Product Information
Extended Description
D2CB12 40 Eaton Crouse-Hinds: Eaton Crouse-Hinds series D2CB replacement circuit breaker assembly, 40A, Copper-free aluminum, Two-pole, Factory sealed, 120/240 Vac
Product Name
Eaton Crouse-Hinds series D2CB replacement circuit breaker assembly
Catalog Number
D2CB12 40
Product Weight
1 lb
UPC
782274582887
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
Number Of Poles
Two-pole
Amperage Rating
40A
Voltage rating
120 Vac/240 Vac
Material
Copper-free aluminum
Special features
Factory sealed
D2PB Series Circuit Breaker Panelboards catalog page
D2PB Hazardous Area Circuit Breaker Panelboards UL certification
IF 908 - D2CB Circuit Breaker Assembly
Eaton Specification Sheet - D2CB12 40
Feature: Two-pole 40 A rating; Business Impact: reliable overcurrent protection with precise trip characteristics, reducing unplanned downtime; Application: protects 120/240 Vac circuits in industrial panels and hazardous locations. Feature: Copper-free aluminum housing; Business Impact: lighter weight and corrosion resistance lowering installation effort and maintenance costs; Application: ideal for harsh industrial environments with corrosive atmospheres. Feature: Factory sealed construction; Business Impact: improved ingress protection and longer service intervals in classified spaces; Application: suitable for hazardous locations where moisture and dust exposure are concerns. Feature: Class I Division 2 hazard rating; Business Impact: supports regulatory compliance and safe operation in hazardous areas; Application: compliant installation in classified locations. Feature: NEC/CEC conformity; Business Impact: cross-border compatibility and streamlined procurement; Application: standard in multinational facilities and panel installations. Feature: Replacement compatibility with D2CB/D2PB line; Business Impact: faster field service and reduced downtime; Application: seamless integration with Eaton Crouse-Hinds D2 panel ecosystems.
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FAQs
The D2CB12 40 replacement circuit breaker assembly is designed for two-pole protection in 120/240 Vac systems and is suitable for hazardous-location panelboards used in industrial environments. It fits Eaton Crouse-Hinds D2 series panel ecosystems and supports field retrofits in classified locations, helping maintenance teams minimize downtime.
It carries a Class I, Division 2 rating and an NEC/CEC conformity, along with factory sealing. This combination ensures safe operation in classified environments, reduces ingress risk from dust or moisture, and aligns with global electrical codes, making it a reliable choice for hazardous-area electrical protection.
Key specs include a 40 A amperage rating, two poles, and a voltage rating of 120 Vac/240 Vac. The housing is copper-free aluminum, and the unit is factory sealed to maintain performance in demanding environments while remaining compatible with D2CB replacement workflows.
The device meets NEC/CEC standards and carries NEC hazardous rating Class I, Division 2. This ensures regulatory compliance for hazardous locations and helps facilities maintain safe operation and documentation necessary for audits and inspections.
Copper-free aluminum reduces weight and corrosion risk, which translates to easier installation, longer service intervals, and lower maintenance labor costs. Factory sealing further minimizes protective ingress, reducing replacement frequency and boosting overall ROI in industrial sites with harsh conditions.