Eaton FLB141 TT40 3 Circuit Breaker - TED 480V
Part Number: FLB141 TT40 3
Quick Summary
The Eaton Crouse-Hinds FLB141 TT40 3 circuit breaker protects electrical systems in hazardous industrial locations. In many installations, users struggle to meet safety codes while maintaining reliable protection against arc faults, surges, and harsh environmental stresses. It carries NEC/CEC compliance and hazardous-location certifications, plus NEMA ratings 3, 4, 7, and 9, supporting broad industrial use. This design pairs with TED frame systems for easy site integration, while rugged copper-free aluminum enclosures reduce weight and maintenance costs. Additionally, threaded enclosure cover provides seal integrity in harsh environments, while the non-interchangeable trip feature simplifies maintenance planning and ensures consistent protection characteristics across installations.
Product Information
Extended Description
FLB141 TT40 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 40A, 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 TT40 3
UPC
782274935980
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
25.6 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
40 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 TT40 3
Feature: Thermal magnetic trip, 40 A, 480 Vac, three-pole construction. Business Impact: Delivers precise, fast protection that minimizes arc damage and unnecessary trips in critical feeders. Application: Ideal for main disconnects and motor feeders in hazardous-location panels. Feature: TED frame type enables standardized mounting across Eaton's family. Business Impact: Reduces replacement parts and commissioning time by allowing straightforward cross-compatibility. Application: Excellent for retrofits and new installations in process plants. Feature: Threaded enclosure cover and copper-free aluminum enclosure. Business Impact: Improves seal integrity in dusty, humid environments while lowering weight and long-term corrosion costs. Application: Suitable for outdoor or harsh indoor installations. Feature: Enclosure includes the circuit breaker (enclosed unit). Business Impact: Streamlines install and minimizes wiring errors with a ready-to-use protection module. Application: Fast, compliant deployment in hazardous-location control panels. Feature: Non-interchangeable trip and recognized certifications (NEC/CEC, Hazardous Locations, NEMA 3/4/7/9). Business Impact: Ensures predictable protection and regulatory compliance across installations, reducing audit risk. Application: Essential for safety-critical systems in exploration, petrochemical, and manufacturing facilities. Feature: Dimensions and weight: 8.5 in depth, 13.38 in height, 9.13 in width; 25.6 lb; 1-1/4 in trade size. Business Impact: Facilitates accurate space planning and transport logistics. Application: Fits standard enclosures and optimized for shipping and installation.
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FAQs
Yes. The FLB141 TT40 3 uses the TED frame type and a 1-1/4" trade size, aligning with Eaton TED-compatible panels and standard enclosure footprints. Its threaded cover and copper-free aluminum enclosure are designed for straightforward mounting, sealed installations, and reduced field adjustments, making retrofits and new builds faster with fewer compatibility concerns.
The unit employs a thermal-magnetic trip mechanism that provides instantaneous magnetic response for short circuits and thermal protection for overloads at 480 Vac. This combination minimizes arc flash risk, coordinates with upstream protection, and reduces nuisance trips in demanding motor and feeder applications commonly found in hazardous-location environments.
The FLB141 TT40 3 is suitable for Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III environments, as defined by NEC hazardous location ratings. It is intended for use in hazardous/classified locations and supports NEC/CEC compliance with rugged, explosion-proof installation requirements typical in oil & gas, chemical processing, and heavy manufacturing facilities.
This breaker meets NEC/CEC standards and is certified for Hazardous Locations (Class I/II/III) with area classification. It also carries NEMA ratings 3, 4, 7, and 9, indicating suitability for outdoor use, dust, and washdown environments, contributing to compliant audits and safer operation in harsh industrial settings.
Benefit highlights include reduced maintenance downtime due to a ready-to-install enclosure with a non-interchangeable trip, standardized TED mounting for fast replacements, and durable copper-free aluminum construction that lowers corrosion-related costs. Overall, expect improved reliability, shorter outage times, and lower ownership costs in facilities with stringent hazardous-location protection requirements.