Eaton FLB264 WT150 3 Circuit Breaker - Hazardous Location
Part Number: FLB264 WT150 3
Quick Summary
Eaton FLB264 WT150 3 Circuit Breaker is a rugged protection device designed for explosion-hazardous environments in industrial electrical systems. Maintaining uptime in hazardous locations can be challenging due to limited accessibility, corrosive atmospheres, and stringent safety regulations. This unit delivers robust protection with a 150 A rating, 600 Vac operation, and a thermal-magnetic trip housed in a JDB frame, with threaded cover and copper-free aluminum enclosure for durable service in demanding conditions. Compliance is supported by NEC/CEC standards and area classifications for Hazardous/Classified Locations, with UL certification documentation available. By pairing reliability with straightforward installation and service, it supports safer designs, lower maintenance costs, and faster commissioning for critical processes, mining, oil & gas, and chemical plants.
Product Information
Extended Description
FLB264 WT150 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 150A, 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 WT150 3
UPC
782274008714
Product Length/Depth
16.25 in
Product Height
22.5 in
Product Width
15.5 in
Product Weight
90 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 2 Class I, Division 1 Class II, Division 1 Class III
NEMA Rating
3 4 7 9
Enclosure
With circuit breaker
Amperage Rating
150 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 WT150 3
Feature → Three-pole protection with a JDB frame delivers coordinated interruption across all poles, reducing arc energy and improving selective tripping in complex feeder networks. Business Impact → Safer shutdowns, minimized downtime, and easier fault isolation for crews. Application → Ideal for feeders and motor circuits in hazardous environments such as chemical plants and offshore facilities. Feature → Thermal magnetic trip provides fast, dependable fault clearing for overload and short-circuit conditions. Business Impact → Reduces equipment stress, extends equipment life, and lowers maintenance costs by preventing nuisance trips. Application → Suitable for critical loads where predictable trip curves and rapid protection are essential, including pump trains and ventilation in hazardous locations. Feature → Threaded cover construction and copper-free aluminum enclosure resist corrosion and simplify field service. Business Impact → Improves longevity in humid or corrosive atmospheres and makes replacement parts easier to source. Application → Perfect for washdown areas, offshore platforms, and chemical plants where enclosure integrity is crucial. Feature → 2-1/2" trade size with a 16.25" depth, 22.5" height, and 15.5" width ensures compatible footprint in standard switchgear and panel enclosures. Business Impact → Predictable installation footprint reduces cabinet rework and supports faster commissioning. Application → Beneficial for retrofits and new builds needing compact yet powerful heavy-duty protection. Feature → NEC/CEC compliance, Hazardous/Classified Locations area classification, NEMA ratings 3, 4, 7, 9, and UL certification support regulatory and safety requirements. Business Impact → Minimizes risk, streamlines approvals, and accelerates project timelines. Application → Essential for regulated industries such as oil & gas, mining, and chemical processing.
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FAQs
Yes. The FLB264 WT150 3 is designed for 2-1/2" trade size enclosures with a threaded cover. It uses a three-pole, JDB frame arrangement compatible with standard Eaton/Crouse-Hinds assemblies. Enclosure is copper-free aluminum, and overall dimensions (16.25" depth, 22.5" height, 15.5" width) support typical installation footprints and retrofit projects.
The breaker is rated for 150 A and 600 Vac, employing a thermal-magnetic trip mechanism for reliable protection. With three poles in a JDB frame and a non-interchangeable trip, it ensures coordinated protection across phases and rapid fault interruption in demanding environments, reducing damage to downstream equipment.
Ideal for hazardous environments in chemical processing, oil and gas, mining, and similar process industries. Its NEC/CEC compliance and hazardous area classifications support installations in Class I/II/III locations, with UL certification documentation available to validate suitability for explosion-prone zones.
The FLB264 WT150 3 supports NEC/CEC standards and Hazardous/Classified Locations area classifications, with UL certification reports available. It also carries NEMA ratings of 3, 4, 7, and 9, confirming protection across exterior enclosure types and rugged service in harsh environments.
Copper-free aluminum enclosure, threaded cover design, and a robust three-pole configuration reduce corrosion and maintenance frequency. Coupled with UL/NEC certification, these features shorten commissioning and approval cycles, lowering total cost of ownership and improving uptime in process industries with frequent downtime or reconfiguration needs.