Eaton FLB115 WT20 3 Circuit Breaker - Thermal Magnetic
Part Number: FLB115 WT20 3
Quick Summary
The Eaton FLB115 WT20 3 circuit breaker is a rugged protection device that delivers reliable short-circuit interruption for hazardous-location electrical systems. In demanding industrial environments, engineers wrestle with bulky protection hardware and strict compliance demands. This unit meets NEC/CEC requirements and hazardous-location ratings, including Class I Division 1 and 2, Class II and Class III, with compatible NEMA approvals to support safe operation in demanding facilities. Designed for 600 Vac, 20 A, three-pole service, and copper-free aluminum enclosures, it offers durable performance while reducing weight in field deployments. With threaded cover construction and a fixed trip scheme, technicians gain predictable maintenance intervals and improved serviceability in confined spaces, helping streamline panel upgrades and retrofit projects.
Product Information
Extended Description
FLB115 WT20 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 20A, FDB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 1-1/4", 600 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB115 WT20 3
UPC
782274018331
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
44.45 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
600 Vac
Number of poles
Three-pole
Trade size
1-1/4"
Manufacturer
Cutler-Hammer
Circuit breaker frame type
FDB
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 - FLB115 WT20 3
Feature: 20 A Amperage Rating → Business Impact: Precisely protects circuit conductors and connected equipment, reducing nuisance trips and extending component life → Application: Control panels and lighting circuits in hazardous locations. Feature: 600 Vac Rating with Three-Pole design → Business Impact: Enables safe, balanced protection for 3-phase power systems in demanding environments → Application: Motors, pumps, and HVAC in chemical plants or refineries. Feature: Thermal Magnetic Trip with Non-Interchangeable Trip → Business Impact: Predictable protection coordination and fast fault clearing without miscoordination from upstream devices → Application: Critical process panels where trip characteristics must be fixed. Feature: FDB Frame Type and Threaded Enclosure Cover → Business Impact: Standardized form factor supports easy retrofits and secure maintenance access → Application: Retrofit projects in existing Crouse-Hinds installations. Feature: Copper-Free Aluminum Enclosure → Business Impact: Reduced weight and corrosion resistance for harsh environments → Application: Outdoor or corrosive-area installations. Feature: 1-1/4" Trade Size and 3-Pole Construction → Business Impact: Compatibility with common enclosures and clean three-phase integration → Application: Industrial control centers and motor control centers. Feature: Special Features Non-Interchangeable Trip → Business Impact: Ensures consistent protection characteristics across assemblies → Application: Critical safety circuits in hazardous locations. Certifications and compliance integration: NEC/CEC compliance with Class I/Division 1 & 2, Class II/III ratings and NEMA 3, 4, 7, 9 compatibility → Application: Compliance-driven deployments across oil, gas, mining, and chemical processing facilities.
Get a Quick Quote for a Eaton FLB115 WT20 3
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 FLB115 WT20 3?
Enquire Now
FAQs
Install the FLB115 WT20 3 in appropriately rated enclosures for hazardous locations, ensuring Class I/Division 1 compliance and using a 1-1/4 in trade size. Follow NEC/CEC wiring practices, secure a threaded cover, and reference Eaton’s installation sheets and catalog pages for wiring diagrams and torque specifications to ensure safe, compliant operation.
Key specs include a 20 A amperage rating, 600 Vac voltage rating, three-pole configuration, and thermal-magnetic trip. It uses an FDB frame type, with a threaded enclosure cover and copper-free aluminum enclosure. This combination supports robust protection for 3-phase circuits in demanding hazardous environments.
Yes. The FLB115 WT20 3 is designed to meet NEC/CEC standards and is certified for hazardous locations, including Class I Division 1 and 2, as well as Class II/III. Its NEMA ratings further support protection in challenging industrial settings, ensuring regulatory compliance for safety-critical applications.
It is rated for Hazardous/Classified Locations per NEC/CEC, including Class I Division 1 and 2, Class II/III, with support from NEMA ratings 3, 4, 7, 9. This makes it suitable for explosive environments in oil, gas, chemical, and mining operations when installed in approved enclosures and following installation guidelines.
Installation instructions and datasheets are available from Eaton/Crouse-Hinds resources, including IF 1016 instruction sheets and the FLB catalog page. You can also view the Eaton specification sheet for FLB115 WT20 3, plus Canadian certification reports for reference during approvals and audits.