Eaton FLB116 WT70 3 Circuit Breaker - FDB Frame
Part Number: FLB116 WT70 3
Quick Summary
Eaton FLB116 WT70 3 circuit breaker is a rugged protection device designed for hazardous locations. Engineers often face retrofits and demanding install environments where reliable fault protection and quick maintenance are critical. This unit meets NEC/CEC requirements and is rated for Hazardous/Classified Locations, with NEMA ratings 3, 4, 7 and 9 to support safe operation in explosive atmospheres. Built around a 70 A thermal-magnetic trip in an FDB frame, it combines threaded cover construction with a copper-free aluminum enclosure for durable service. Together with compact 1-1/2" trade size and 600 Vac rating, it offers straightforward specification, sourcing, and installation in industrial power distributions.
Product Information
Extended Description
FLB116 WT70 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 70A, FDB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 1-1/2", 600 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB116 WT70 3
UPC
782274019192
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
23.32 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
70 A
Circuit breaker type
Thermal magnetic
Voltage rating
600 Vac
Number of poles
Three-pole
Trade size
1-1/2"
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 - FLB116 WT70 3
Feature: 70 A thermal-magnetic trip and three-pole design → Business impact: precise protection coordination reduces nuisance trips and limits downstream damage in motor circuits → Application: motor control centers and panel boards in industrial plants. Feature: FDB frame type → Business impact: standardized mounting and compatibility across Eaton/Crouse-Hinds systems reduces scoping time and spare parts inventory → Application: retrofit projects and new builds in hazardous environments. Feature: Threaded enclosure cover construction → Business impact: improved sealing and ease of service in challenging locations → Application: outdoor installations and damp environments where ingress protection matters. Feature: Copper-free aluminum enclosure → Business impact: lighter weight, corrosion resistance, and lower life-cycle maintenance costs → Application: long-term service in aggressive industrial atmospheres. Feature: Non-interchangeable trip → Business impact: enhances safety by eliminating cross-trip confusion during maintenance → Application: safety-critical installations in hazardous locations. Feature: 600 Vac rating and 1-1/2" trade size → Business impact: compatibility with high-voltage distribution and straightforward installation → Application: feeders and branch circuits in industrial facilities. Certifications and compliance: NEC/CEC alignment, Hazardous/Classified Locations ratings (Class I, Division 1 & 2; Class II & III) and NEMA ratings 3, 4, 7, 9 add certainty for regulated environments. Industry context: built to support reliable protection with minimal downtime, aided by installation sheets and specification PDFs from Eaton.
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FAQs
To install the FLB116 WT70 3, verify Class I, Division 1 or 2 or other applicable hazardous-location classifications, then mount the three-pole device in an appropriate enclosure using the FDB frame. Ensure the 1-1/2" trade size and threaded cover are properly engaged, connect conductors within the 70 A rating, and follow Eaton's IF1016 installation guidelines for best results.
Key specs include a 70 A amperage rating, 600 Vac voltage rating, three-pole configuration, thermal-magnetic trip, FDB frame type, and a 1-1/2" trade size. The enclosure is copper-free aluminum with threaded cover construction, designed for reliability in hazardous environments while meeting NEC/CEC requirements.
Yes. The FLB116 WT70 3 is rated for Hazardous/Classified Locations and supports Class I, Division 1 & 2, with additional Class II and III classifications. It also carries compatible NEMA ratings (3, 4, 7, 9), making it suitable for various high-risk industrial applications demanding stringent protection and compliance.
This model complies with NEC/CEC standards and is approved for Hazardous Locations (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III). It also carries NEMA ratings 3, 4, 7, 9, ensuring broad regulatory acceptance for industrial installations.
Eaton provides installation sheets (IF 1016), a dedicated specification sheet for FLB116 WT70 3, and a catalog page. Access to these resources supports accurate maintenance planning, faster commissioning, and a clearer return-on-investment by ensuring correct sizing, troubleshooting, and lifecycle management.