Eaton FLB222 TT50 3 - Thermal Magnetic, Explosion-Proof
Part Number: FLB222 TT50 3
Quick Summary
FLB222 TT50 3 is an explosion-proof circuit breaker designed to protect electrical feeders in hazardous locations. Facilities often struggle with protection that trips during startup or fails to meet strict regulatory requirements, leading to downtime and safety risks. This unit carries NEC/CEC compliance and NEMA ratings 3, 4, 7, 9 to support robust performance in demanding environments. By combining a 50 A thermal-magnetic trip with a copper-free aluminum enclosure and a threaded cover, it delivers reliable, code-compliant circuit protection with installation simplicity and long-term cost efficiency.
Product Information
Extended Description
FLB222 TT50 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 50A, TEB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, General Electric breaker, Three-pole, Non-interchangeable trip, 1-1/4", 240 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB222 TT50 3
UPC
782274012957
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
24.05 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
50 A
Circuit breaker type
Thermal magnetic
Voltage rating
240 V AC
Number of poles
Three-pole
Trade size
1-1/4"
Manufacturer
General Electric
Circuit breaker frame type
TEB
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 - FLB222 TT50 3
Feature → Business Impact → Application: The FLB222 TT50 3 delivers a 50 A amperage rating in a three-pole configuration with a thermal-magnetic trip. This provides precise overload and short-circuit protection, reducing nuisance trips and safeguarding critical hazardous-location feeders used in chemical plants, oil & gas facilities, and mining operations. Application: three-phase distribution systems requiring dependable phase balance and quick fault interruption. Long-tail keywords addressed include explosion-proof circuit breaker for hazardous locations, 50 A three-pole protection, and TE B frame compatibility. Feature → Business Impact → Application: Copper-free aluminum enclosure reduces weight and improves corrosion resistance while maintaining durability. This supports easier handling during installation and resilient performance in humid or offshore environments. Application: outdoor or corrosive environments where enclosure longevity matters. Feature → Business Impact → Application: Threaded enclosure cover and 1-1/4" trade size enable secure mounting and compatibility with GE’s Crouse-Hinds FLB line. This simplifies field upgrades and panel integration, cutting installation time and spare-parts requirements. Application: retrofit projects and new builds in switchgear assemblies. Feature → Business Impact → Application: Non-interchangeable trip ensures consistent protection and simplifies compliance with safety standards. Application: systems requiring fixed protection to meet regulatory and warranty conditions. Feature → Business Impact → Application: EN closure with circuit breaker support consolidates components and improves serviceability. Application: compact, reliable protection inside standard hazardous-location enclosures, including oil and gas processing facilities.
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FAQs
Yes. The FLB222 TT50 3 uses a 1-1/4" trade size and a TE B frame, designed to mount alongside other FLB-series devices with threaded cover enclosures. This compatibility simplifies retrofit projects and panel integration while maintaining proper clearances and code-compliant protection in hazardous locations.
This unit is a 50 A, three-pole, 240 V AC circuit breaker with thermal-magnetic trip. It is built into an enclosure of copper-free aluminum, with threaded cover construction, and is intended for hazardous/classified locations under NEC/CEC standards. The combination delivers reliable overload and short-circuit protection for three-phase feeders.
Yes. The FLB222 TT50 3 is rated for hazardous/classified locations, supporting NEC hazard classifications that include Class I Division 1 and 2, Class II, and Class III environments. It is suitable for chemical plants, oil and gas facilities, and other harsh sites where explosion protection and safe operation are mandatory.
The device complies with NEC/CEC standards, carries NEMA ratings 3, 4, 7, and 9, and is UL-certified for use in hazardous locations in the USA and Canada. Area classification covers Hazardous/Classified Locations, ensuring regulatory compliance and easier permitting for mission-critical installations.
The non-interchangeable trip reduces maintenance complexity and ensures consistent protection, aiding warranty compliance. Copper-free aluminum enclosure improves corrosion resistance and reduces weight, lowering handling costs. With a robust TE B frame and threaded cover, field serviceability is enhanced, supporting lower total cost of ownership in demanding industrial environments.