Eaton FLB221 TT15 2 - Explosionproof Hazardous Locations
Part Number: FLB221 TT15 2
Quick Summary
Eaton FLB221 TT15 2 circuit breaker provides reliable protection for hazardous-location electrical panels in industrial facilities. Operators and maintenance teams often struggle with downtime and non-compliant devices that fail in harsh environments. This unit supports NEC/CEC compliance and hazardous-location ratings across Class I, II, III divisions, with NEMA ratings 3, 4, 7, 9 to back its rugged suitability. Its threaded cover and copper-free aluminum enclosure simplify installation and resist corrosive exposure, while the 15 A thermal-magnetic protection is ideal for common motor and control circuits. For procurement and maintenance teams, the FLB221 TT15 2 blends proven reliability with Eaton’s global support, driving safer, compliant operations and greater uptime.
Product Information
Extended Description
FLB221 TT15 2 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 15A, TEB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, General Electric breaker, Two-pole, Non-interchangeable trip, 1", 240 Vac/125-250 Vdc
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB221 TT15 2
UPC
782274013244
Product Length/Depth
6.25 in
Product Height
10.25 in
Product Width
7 in
Product Weight
23 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
240 Vac/125-250 Vdc
Number of poles
Two-pole
Trade size
1"
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 Canadian certification
FLB Explosionproof Circuit Breakers Canadian certification
IF 1016 - FLB Series Circuit Breakers
Eaton Specification Sheet - FLB221 TT15 2
Feature → Business Impact → Application: Thermal-magnetic trip provides precise protection for motor and control circuits, reducing nuisance trips and enabling reliable selectivity in demanding environments. This translates to shorter downtime and lower maintenance costs in industrial plants. Application: Use in two-pole control panels where quick fault isolation is critical. Feature → Business Impact → Application: TE B frame type and 1" trade size allow straightforward mounting into standard enclosures, cutting installation time and ensuring compatibility with existing hardware. Application: Ideal for retrofit projects and new builds in controlled motor starter cabinets. Feature → Business Impact → Application: Threaded cover construction and copper-free aluminum enclosure offer robust sealing and corrosion resistance, extending service life in chemical plants and outdoor installations. Application: Suitable for hazardous locations with aggressive atmospheres. Feature → Business Impact → Application: Non-interchangeable trip minimizes field tampering and preserves designed protection levels, improving safety compliance and device coordination. Application: Laboratories and process plants where fixed protection settings are required. Feature → Business Impact → Application: NEC/CEC compliance and NEMA ratings (3, 4, 7, 9) provide regulatory confidence and broad environmental applicability. Application: Design-in for North American projects requiring hazardous-location certification and versatile enclosure performance. This combination supports risk reduction, predictable maintenance, and long-term cost savings in industries such as oil & gas, chemical processing, and mining.
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FAQs
For hazardous locations, install the FLB221 TT15 2 in a compliant enclosure with suitable ingress protection. The threaded cover design facilitates a secure seal, while the copper-free aluminum housing resists corrosion. Ensure mounting to standard 1" trade size spaces and verify NEC/CEC classification for the specific Class/Division rating in your facility.
Thermal-magnetic trip curves provide both overload and short-circuit protection, delivering fast response to high fault currents while avoiding nuisance trips during normal startup. This improves downtime reliability for motors and control circuits, particularly in environments with temperature swings or brief surges common in industrial facilities.
Yes. The unit is listed for NEC/CEC standards and offers Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III hazardous ratings, along with NEMA 3, 4, 7, 9 compatibility. This alignment supports compliant design and documentation for US and Canadian projects, reducing the need for additional certifications.
Key certifications include NEC/CEC compliance and hazardous-location ratings, plus UL Canadian certification references in product literature. The unit’s construction supports use in Class I/II/III environments and is suitable for areas requiring explosionproof protection, helping streamline cross-border procurement and audit readiness.
Benefits include reduced downtime due to reliable thermal-magnetic protection, longer service life from a copper-free enclosure, and tamper-resistant non-interchangeable trips that preserve designed protections. Combined with Eaton’s support network and standard mounting, this translates to lower maintenance costs, fewer replacement parts, and improved asset uptime in hazardous-location applications.