Eaton FLB141 WT15 3 Circuit Breaker - Explosionproof
Part Number: FLB141 WT15 3
Quick Summary
The Eaton FLB141 WT15 3 Circuit Breaker protects electrical circuits in hazardous locations. In harsh industrial environments, panel protection must be reliable, compliant, and easy to service. This unit meets NEC/CEC standards and carries NEC hazardous ratings across Class I/Divisions 1 and 2 and Class II/Divisions 1 and 2, plus Class III, with NEMA ratings 3, 4, 7, and 9. Combined with its copper-free aluminum enclosure and threaded cover, it delivers robust protection and straightforward installation, helping maintenance teams reduce downtime and extend asset life. Engineered for field retrofit and scalable integration in multi-pole power distribution, it supports safer, more efficient operations.
Product Information
Extended Description
FLB141 WT15 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 15A, EHD frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 1-1/4", 480 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB141 WT15 3
UPC
782274655710
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
24 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
15 A
Circuit breaker type
Thermal magnetic
Voltage rating
480 Vac
Number of poles
Three-pole
Trade size
1-1/4"
Manufacturer
Cutler-Hammer
Circuit breaker frame type
EHD
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 - FLB141 WT15 3
Feature: Thermal-magnetic trip provides precise overcurrent protection. Benefit: Reduces nuisance trips and guards critical equipment, improving uptime in harsh environments. Application: motor feeders and control circuits in hazardous locations, where reliable protection is essential. Feature: 15 A amperage rating with 480 Vac operation on a three-pole frame. Benefit: Standardizes high-voltage protection for industrial panels, enabling consistent dimensioning and safer wiring practices. Application: control panels in refineries, petrochemical plants, and mining facilities. Feature: EHD frame with threaded enclosure cover. Benefit: Durable, secure enclosure integration that simplifies field installation and retrofit work. Application: explosion-proof enclosures for Class I/II locations. Feature: Copper-free aluminum enclosure, weight 24 lb. Benefit: Corrosion resistance and lighter handling, reducing installation fatigue and lifecycle corrosion concerns. Application: outdoor and industrial installations with corrosive exposure. Feature: Non-interchangeable trip. Benefit: Calibrated, predictable protection and streamlined spare-parts management, reducing mis-mizes and inventory costs. Application: standardizing replacement strategy across similar Eaton FLB devices. Feature: Compliance-ready with NEC/CEC standards and NEMA ratings 3, 4, 7, 9. Benefit: Simplifies regulatory documentation, audits, and installation approvals. Application: facilities in hazardous locations with stringent commissioning requirements.
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FAQs
Plan for a compliant enclosure setup: ensure the threaded cover is correctly engaged, verify the enclosure is suitable for Class I/II locations, and use appropriate wiring methods per the installation sheet. The 1-1/4" trade size and EHD frame support secure mounting in Explosionproof enclosures, while copper-free aluminum minimizes corrosion risk in harsh environments.
The device provides 15 A protection at 480 VAC with a thermal-magnetic trip mechanism and three poles. It uses a non-interchangeable trip, sits in the EHD frame, and is designed for use in hazardous locations with threaded enclosure cover and copper-free aluminum body, aligning with NEC/CEC requirements.
Yes. It is engineered for hazardous/classified locations and rated for Class I/II/III divisions with NEC/CEC compliance. Its explosionproof construction, NEMA ratings 3, 4, 7, 9, and robust enclosure design make it well-suited for oil, gas, chemical processing, and other demanding industrial environments.
The FLB141 WT15 3 carries NEC/CEC standards and NEC hazardous ratings across Class I Division 1 and 2, Class II Division 1 and 2, and Class III, along with NEMA ratings 3, 4, 7, and 9. Certification reports and UL-based documentation are available to support regulatory audits and installation approvals.
The copper-free aluminum enclosure and non-interchangeable trip promote durability and predictable performance, reducing maintenance calls and spare-parts complexity. Standardized Eaton components enable quicker replacements and lower inventory costs, while the rugged construction minimizes downtime in hazardous environments, delivering a favorable total cost of ownership over the device lifecycle.