Eaton FLB115 WT40 3 Circuit Breaker - Hazardous Locations
Part Number: FLB115 WT40 3
Quick Summary
Eaton FLB115 WT40 3 circuit breaker protects electrical distribution in hazardous locations. For projects in challenging environments, selecting equipment that matches exact ratings prevents costly rework and downtime. This model carries NEC/CEC compliance, Canadian certifications, and hazardous-area ratings to keep installations code-compliant and safe. In addition to thermal-magnetic protection, the unit features a threaded enclosure and copper-free aluminum construction that simplify installation and reduce corrosion risk. Its 40 A rating, 3-pole arrangement, and 600 Vac capacity align with industrial power distribution needs, while meeting safety and reliability expectations. Using this breaker translates to safer equipment, faster commissioning, and long-term cost savings across hazardous-location facilities.
Product Information
Extended Description
FLB115 WT40 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 40A, FDB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 1-1/4", 600 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB115 WT40 3
UPC
782274018379
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
44.45 lb
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 4 7 9
Enclosure
With circuit breaker
Amperage Rating
40 A
Circuit breaker type
Thermal magnetic
Voltage rating
600 Vac
Number of poles
Three-pole
Trade size
1-1/4"
Manufacturer
Cutler-Hammer
Circuit breaker frame type
FDB
Enclosure cover construction
Threaded
Enclosure material
Copper-free aluminum
Special features
Non-interchangeable trip
FLB Series Explosionproof Circuit Breakers catalog page
FLB Explosionproof Circuit Breakers Canadian certification
FLB Explosionproof Circuit Breakers Canadian certification
IF 1016 - FLB Series Circuit Breakers
Eaton Specification Sheet - FLB115 WT40 3
Feature: Thermal-magnetic trip provides precise overcurrent protection for both short-circuit and motor-start events. Business Impact: Reduces nuisance trips and minimizes equipment damage, improving line availability and extending breaker life. Application: Ideal for industrial control panels and motor feeder circuits in chemical plants or refineries where reliability matters. Feature: 40 A amperage rating with a three-pole design and 600 Vac rating. Business Impact: Supports safe three-phase distribution for high-demand loads while maintaining code-compliant voltage handling. Application: Power distribution in manufacturing lines and processing equipment. Feature: Frame type FDB with a 1-1/4" trade size. Business Impact: Ensures compatibility with standard enclosures and simplifies OEM integration, reducing install time. Application: Retrofit projects and new installations in distributed systems. Feature: Threaded enclosure cover construction. Business Impact: Enhances enclosure integrity in vibration-prone environments and simplifies field servicing. Application: Hazardous locations where secure enclosure is critical. Feature: Copper-free aluminum enclosure. Business Impact: Improves corrosion resistance and reduces weight, aiding installation and lifecycle costs. Application: Outdoor or damp industrial settings. Feature: Non-interchangeable trip. Business Impact: Maintains trip coordination and protection strategy across multi-breaker panels, supporting safety compliance. Application: Systems requiring fixed coordination for critical circuits. Feature: Area classification and NEC/CEC compliance. Business Impact: Ensures regulatory acceptance and safer installations in Class I, II, and III hazardous locations. Application: Projects spanning North American hazardous-area codes and standards.
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FAQs
The FLB115 WT40 3 is designed for hazardous/classified locations with a threaded enclosure cover and copper-free aluminum body. When installing, ensure appropriate enclosure integrity, proper mounting to a compatible panel, and adherence to NEC/CEC guidelines for Class I, II, and III environments. Use correct torque on connections and verify the 600 Vac rating matches system voltage.
Yes. This unit uses the FLB family’s FDB frame type and a 1-1/4" trade size, enabling straightforward integration with other FLB series breakers and standard enclosures. It features a three-pole design and a non-interchangeable trip, which helps maintain a coordinated protection scheme within a panel.
The FLB115 WT40 3 carries NEC/CEC compliance and hazardous-area ratings (Class I, Division 1 and 2; Class II, Division 1 and 2; Class III), along with NEMA ratings 3, 4, 7, and 9. Canadian certifications are also associated with this model, supporting cross-border projects in hazardous locations.
Key specs include a 40 A amperage rating, 600 Vac voltage rating, thermal-magnetic trip mechanism, three-pole configuration, and 1-1/4" trade size within an FDB frame. The enclosure is threaded and copper-free aluminum, designed for robust protection in challenging environments.
Choosing the FLB115 WT40 3 delivers safer operation in hazardous locations, reduces downtime through reliable protection, and supports regulatory compliance with NEC/CEC and Canadian certification requirements. Its robust construction and coordinated trip design also lower maintenance costs and shorten commissioning times in industrial plants.