Eaton FLB140 WT20 2 - 20A Thermal Magnetic EHD frame
Part Number: FLB140 WT20 2
Quick Summary
Eaton FLB140 WT20 2 is a two-pole, 20 A circuit breaker for hazardous locations in industrial control panels. In hazardous environments, unreliable protection and frequent maintenance drive up downtime and costs, making robust devices essential. It carries NEC/CEC compliance and hazardous location ratings (Class I, Division 1/2; Class II, Division 1/2; Class III), along with NEMA 3, 4, 7, 9 protections. With a threaded cover, copper-free aluminum enclosure, and a compact 1" trade size, it integrates smoothly into existing panels while reducing service impact. Engineered for safety and uptime, it aligns with Crouse-Hinds FLB series offerings to streamline procurement and maintenance across industrial facilities.
Product Information
Extended Description
FLB140 WT20 2 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 20A, EHD frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Two-pole, Non-interchangeable trip, 1", 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB140 WT20 2
UPC
782274873541
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
20 A
Circuit breaker type
Thermal magnetic
Voltage rating
480 Vac/250 Vdc
Number of poles
Two-pole
Trade size
1"
Manufacturer
Cutler-Hammer
Circuit breaker frame type
EHD
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 - FLB140 WT20 2
Feature: 20 A amperage rating aligns protection to typical, small-to-medium load currents, reducing nuisance trips and ensuring selective coordination. Business Impact: Improves reliability and minimizes downtime while lowering maintenance costs. Application: Control panels and motor circuits in hazardous environments where precise overcurrent protection is required. The FLB140 WT20 2 is suitable for oil & gas, chemical processing, and mining facilities where exact protection matters. Feature: Thermal magnetic trip mechanism provides both instantaneous and time-delayed protection, enhancing fault discrimination. Business Impact: Short-circuit and overload protection that reduces equipment damage and unplanned outages. Application: Drives, feeders, and branch circuits in hazardous locations. Feature: EHD frame type delivers industry-standard mounting and compatibility. Business Impact: Simplifies panel retrofits and reduces installation time. Application: Retrofit projects and new builds in Class I/II/III locations. Feature: Threaded cover and copper-free aluminum enclosure improve durability and corrosion resistance. Business Impact: Extends service life in harsh environments and simplifies maintenance. Application: Outdoor-rated or chemically aggressive spaces common in refineries and plants. Feature: Two-pole, 1" trade size offers compact footprint for dense panel layouts. Business Impact: Frees up enclosure space and streamlines wiring, reducing panel size and cost. Application: Electrical distribution panels with limited clearance. Feature: Hazardous location ratings and NEC/CEC compliance ensure regulatory conformity. Business Impact: Passes critical certifications for safe operation in classified areas, mitigating compliance risk. Application: Any installation in hazardous environments requiring Class I, II, III protection.
Get a Quick Quote for a Eaton FLB140 WT20 2
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton FLB140 WT20 2?
Enquire Now
FAQs
Install the FLB140 WT20 2 as a two-pole device on a 1" trade size mounting within an enclosure rated for hazardous locations. Use the threaded cover for secure enclosure sealing and verify the EHD frame aligns with your panel cutout. Ensure wiring meets NEC/CEC guidelines for Class I/II/III installations and verify torque specs per Eaton instruction sheets.
Key ratings include 20 A amperage, thermal magnetic trip, and a voltage rating of 480 Vac / 250 Vdc. It is a two-pole device with a 1" trade size and non-interchangeable trip. These features provide robust overcurrent protection and reliable fault discrimination in hazardous locations, in line with NEC/CEC requirements.
Yes. The FLB140 WT20 2 is designed for Hazardous/Classified Locations with Class I, Division 1/2 and Class II, Division 1/2 (and Class III) ratings, plus NEMA 3/4/7/9 protections. It fits oil & gas, chemical processing, mining, and other high-risk environments requiring explosion-proof and corrosion-resistant protection.
The unit adheres to NEC/CEC standards for hazardous locations and carries area classification protection. It is compatible with the Crouse-Hinds FLB explosionproof lineup and supports Canadian certification references. Certified to operate in hazardous environments and suitable for integrated safety programs across industrial facilities.
The threaded cover and copper-free aluminum enclosure resist corrosion, reducing maintenance frequency in harsh spaces. Its non-interchangeable trip minimizes replacement variability, aiding reliability. By aligning with the FLB family, it simplifies spare-part strategy and procurement, delivering lower total cost of ownership through longer intervals between interventions and faster field service.