Eaton FLB115 WT15 3 Circuit Breaker - Hazardous Locations
Part Number: FLB115 WT15 3
Quick Summary
The Eaton FLB115 WT15 3 circuit breaker protects hazardous-location electrical panels in industrial facilities. Facility teams often struggle with unreliable trips and costly downtime in harsh environments. This design combines thermal-magnetic protection with threaded cover and copper-free aluminum for rugged reliability. Certified to NEC/CEC, UL hazardous-location standards, and protected by NEMA ratings, it supports compliant industrial installations and easier maintenance. Designed for 600 Vac circuits and three-pole applications, it reduces panel space needs and simplifies wiring parity. With its non-interchangeable trip and durable enclosure, maintenance intervals extend, spare parts are minimized, and uptime improves for critical processes. This combination is ideal for chemical plants, oil and gas, and other hazardous sites needing reliable protection.
Product Information
Extended Description
FLB115 WT15 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 15A, 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 WT15 3
UPC
782274018263
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
15 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 UL certification
FLB Explosionproof Circuit Breakers UL certification
IF 1016 - FLB Series Circuit Breakers
Eaton Specification Sheet - FLB115 WT15 3
Explosion-proof construction and threaded cover in copper-free aluminum deliver enhanced durability in harsh environments, reducing corrosion and maintenance costs while supporting long service life in hazardous locations. Business impact: fewer unplanned outages and lower total cost of ownership. Application: ideal for chemical processing, oil refineries, and mining facilities where reliability and safety are non-negotiable. The FLB115 WT15 3 uses athermal-magnetic trip within the FDB frame, enabling predictable fault isolation and minimizing nuisance trips in dynamic industrial loads. This translates to improved process uptime, easier coordination with upstream protective devices, and simplified spare-part planning for control panels operating at 600 Vac. Compatibility with standard Eaton installation practices and the FLB family ensures straightforward retrofits and scalable protection for growing electrical networks. Industry context: engineers prioritize robust enclosure designs, UL/NEC compliance, and NEMA-rated protection, all of which this unit delivers, reducing compliance risk and accelerating project timelines. Installation and maintenance benefits include threaded enclosure access for reliable enclosure sealing and a compact 1-1/4 inch trade size that fits a wide range of control cabinets, enabling faster commissioning and reduced field wiring errors.
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FAQs
Install the FLB115 WT15 3 in panels rated for Class I, Division 1/2 and other hazardous locations as defined by NEC/CEC. Use the threaded enclosure cover to seal the housing and ensure the 1-1/4 inch trade size fits the panel cutout. Refer to the IF1016 instruction sheet for mounting guidance and torque recommendations, and verify UL certification coverage for your specific installation.
The device is a 15 A, three-pole, thermal-magnetic circuit breaker rated for 600 Vac. It features a non-interchangeable trip mechanism and a FDB frame type, providing predictable short-circuit protection and coordinated tripping with upstream devices. This combination supports stable operation in demanding industrial controls while reducing nuisance trips.
Yes. The unit is designed for hazardous/classified locations and carries NEC/CEC compliance along with UL hazardous-location certifications. It supports Class I Division 1 and Division 2, as well as related Class II/III classifications, making it well-suited for chemical plants, oil refineries, and other environments with explosive atmospheres.
The FLB115 WT15 3 complies with NEC/CEC standards and UL certification for hazardous locations. It also aligns with NEMA ratings 3, 4, 7, and 9, ensuring enclosure protection suitable for harsh environments. These certifications simplify acceptance testing and procurement for regulated industrial projects.
The non-interchangeable trip reduces mis-wiring risk and streamlines replacement in the field, while copper-free aluminum construction minimizes corrosion and weight. The rugged threaded cover and long service life lower maintenance intervals and spare-parts costs, contributing to higher uptime and a favorable return on investment for critical processes.