Eaton FLB264 WT125 3 Circuit Breaker - Hazardous Locations
Part Number: FLB264 WT125 3
Quick Summary
The Eaton FLB264 WT125 3 circuit breaker protects electrical circuits in hazardous industrial locations. Facilities struggle to source rugged, certified devices that meet hazardous-location requirements while maintaining reliability. This model carries NEC/CEC compliance and hazardous-location ratings—including Class I Division 1 and 2, Class II Division 1 and 2, and Class III—along with NEMA ratings 3, 4, 7, and 9. With a 125 A thermal-magnetic trip and threaded cover, it fits 2-1/2 inch trade-size enclosures and simplifies secure installation. The result is reduced downtime, lower maintenance costs, and safer operations across demanding industrial environments.
Product Information
Extended Description
FLB264 WT125 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 125A, JDB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 2-1/2", 600 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB264 WT125 3
UPC
782274008936
Product Length/Depth
16.25 in
Product Height
22.5 in
Product Width
15.5 in
Product Weight
1 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
125 A
Circuit breaker type
Thermal magnetic
Voltage rating
600 Vac
Number of poles
Three-pole
Trade size
2-1/2"
Manufacturer
Cutler-Hammer
Circuit breaker frame type
JDB
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 - FLB264 WT125 3
125 A amperage rating provides precise overcurrent protection for feeder and motor circuits, reducing the risk of overheating while accommodating typical industrial loads; this supports reliable operation in hazardous-location panels and switchgear. The thermal-magnetic trip delivers fast short-circuit clearing and reliable overload protection, which minimizes damage during fault events and reduces downtime in critical process lines. The JDB frame and 2-1/2 inch trade size simplify integration into existing Crouse-Hinds enclosures, enabling quicker installation and consistent mounting across panels with threaded cover for secure enclosure integrity. Copper-free aluminum enclosure offers corrosion resistance and lighter weight, cutting installation effort and long-term maintenance costs in harsh environments. Non-interchangeable trip maintains performance consistency and regulatory compliance, preventing misconfiguration and simplifying spare-part inventory in industrial facilities. Together, these features deliver explosionproof reliability suitable for chemical processing, oil and gas, and other hazardous-location applications, while supporting NEC/CEC standards and NEMA ratings 3, 4, 7, and 9.
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FAQs
Installers should use the 3-pole FLB264 WT125 3 in NEC/CEC-compliant panels rated for Class I/Division 1 and 2, Class II/Division 1 and 2, and Class III environments. The unit has a JDB frame, 2-1/2 inch trade size, threaded enclosure cover, and copper-free aluminum housing, which aligns with standard Crouse-Hinds enclosures and simplifies mounting and sealing in hazardous locations.
This breaker is rated for 125 A with a thermal-magnetic trip, at 600 Vac, and is a three-pole device. The non-interchangeable trip design ensures consistent performance and regulatory compliance, making it suitable for motor feeders and power distribution in demanding environments.
Yes, the unit is designed for hazardous locations with NEC/CEC compliance and hazardous-area ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III. NEMA ratings 3, 4, 7, 9 further indicate rugged protection in corrosive or high-risk environments such as chemical processing facilities and offshore platforms.
The FLB264 WT125 3 carries NEC/CEC compliance and hazardous-location classifications (Class I/II/III divisions), plus NEMA ratings 3, 4, 7, 9. UL certification references for explosion-proof performance are available, and Eaton’s documentation includes installation sheets and specification sheets to support regulatory submissions.
Benefits include reduced downtime from robust, non-interchangeable trip protection, easier installation with standardized 2-1/2 inch trade size, and corrosion resistance from a copper-free aluminum enclosure. These factors translate to lower maintenance costs, fewer spare-part mix-ups, and safer operation across hazardous-location facilities.