Eaton FLB141 TT20 3 Circuit Breaker - Explosionproof
Part Number: FLB141 TT20 3
Quick Summary
The Eaton FLB141 TT20 3 circuit breaker protects electrical circuits in hazardous locations with robust, code-compliant performance. This solution addresses the challenge of delivering reliable overcurrent protection in exposed environments where safety and uptime matter most. The unit carries NEC/CEC compliance and supports hazardous-area ratings, including Class I, Division 1 and 2, Class II, and Class III, making it suitable for a wide range of industrial applications. Its NEMA ratings of 3, 4, 7, and 9 reinforce its suitability for rugged environments, while the threaded cover construction aids field serviceability. By pairing a 20 A, three-pole TED frame with copper-free aluminum enclosure, it offers durable protection with easier installation and maintenance for your facility.
Product Information
Extended Description
FLB141 TT20 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 20A, TED frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, General Electric breaker, Three-pole, Non-interchangeable trip, 1-1/4", 480 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB141 TT20 3
UPC
782274455266
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
0.026 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
20 A
Circuit breaker type
Thermal magnetic
Voltage rating
480 Vac
Number of poles
Three-pole
Trade size
1-1/4"
Manufacturer
General Electric
Circuit breaker frame type
TED
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 - FLB141 TT20 3
Feature: A 20 A thermal-magnetic trip on a three-pole TED frame provides fast, predictable protection. Business Impact: Reduces nuisance trips and minimizes equipment damage, delivering steadier uptime in critical processes. Application: Ideal for motor feeders and control circuits in hazardous-location panels where precise coordination matters. Feature: Threaded enclosure cover construction enhances enclosure integrity and field serviceability. Business Impact: Improves sealing in dusty or damp environments and speeds maintenance, reducing downtime. Application: Suitable for installations in hazardous locations requiring reliable cover integrity. Feature: Copper-free aluminum enclosure offers corrosion resistance with lower weight. Business Impact: Eases handling during installation and extends service life in harsh environments. Application: Offshore, chemical processing, and other corrosive industrial settings. Feature: NEC/CEC compliance and hazardous-location ratings (Class I/Division 1&2, Class II/Division 1&2, Class III) provide regulatory alignment. Business Impact: Streamlines procurement and design validation, reducing engineering lead times. Application: Controls and power distribution in regulated industrial facilities. Feature: Enclosure with circuit breaker and 1-1/4" trade size enables straightforward retrofit and panel compatibility. Business Impact: Simplifies integration into existing panels and reduces installation complexity. Application: New builds or upgrades in distribution panels that require standard footprint and reliable protection.
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FAQs
Yes. The FLB141 TT20 3 is designed as a 1-1/4 inch trade size unit with a threaded enclosure, enabling compatibility with standard panel openings and traditional hazardous-location installations. Its 480 Vac rating and three-pole TED frame support reliable protection in Class I/II environments, simplifying retrofits and new builds alike.
This breaker is a 20 A thermal-magnetic unit with a three-pole TED frame, engineered for precise overcurrent protection. It operates at 480 Vac, providing reliable short-circuit and overload protection while minimizing nuisance trips, which helps maintain uptime in demanding industrial systems.
Yes. The FLB141 TT20 3 carries NEC/CEC certifications and area classifications including Class I, Division 1 and 2, making it appropriate for hazardous-location applications. It also supports Class II and Class III environments, offering broad protection for chemical, petrochemical, and heavy industrial facilities.
It meets NEC/CEC standards and is rated for Hazardous/Classified Locations (Class I, Division 1 and 2; Class II, Division 1 and 2; Class III). It carries NEMA ratings of 3, 4, 7, and 9, and is designed for use with copper-free aluminum enclosures in demanding environments.
The threaded, rugged enclosure plus copper-free aluminum construction reduces corrosion risk and maintenance downtime. Its robust thermal-magnetic trip reduces nuisance trips, improving uptime and safety, while standard footprint compatibility minimizes retrofit costs and accelerates deployment in existing facilities.