Eaton FLB142 WT70 3 Circuit Breaker - Hazardous/Classified Locations
Part Number: FLB142 WT70 3
Quick Summary
Eaton FLB142 WT70 3 circuit breaker delivers reliable protection for hazardous-location electrical systems. In challenging environments, users often contend with nuisance trips and limited service life; this unit mitigates those issues through a rugged EHD frame and a precise thermal-magnetic trip. It carries NEC/CEC certifications and broad hazardous-location approvals, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, along with NEMA ratings 3, 4, 7, and 9. This combination supports compliant power distribution in oil, gas, chemical, and mining facilities. With a 70 A rating, 480 Vac operation, and a copper-free aluminum enclosure, it balances performance, durability, and ease of installation for maintenance teams and procurement.
Product Information
Extended Description
FLB142 WT70 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 70A, EHD frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Three-pole, Non-interchangeable trip, 1-1/2", 480 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB142 WT70 3
UPC
782274441207
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
45.5 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
480 Vac
Number of poles
Three-pole
Trade size
1-1/2"
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 - FLB142 WT70 3
Feature: Thermal-magnetic trip with a 70 A rating provides selective, fast fault clearing. Business Impact: Reduces nuisance trips, lowers maintenance costs, and minimizes downtime in critical processes. Application: Hazardous-location power distribution in chemical plants and refineries. Feature: EHD frame design and three-pole construction support robust, scalable circuit protection. Business Impact: Streamlines panel layouts, shortens installation time, and improves protection coordination with upstream devices. Application: Industrial control panels and motor feeder assemblies in mining and heavy manufacturing. Feature: Threaded enclosure cover and copper-free aluminum housing resist corrosion and simplify mounting. Business Impact: Extends service life in harsh environments, reduces corrosion-related maintenance, and supports long-term reliability. Application: Outdoor or damp installations such as offshore platforms and chemical processing facilities. Feature: NEC/CEC compliance with NEMA ratings 3, 4, 7, 9 ensures broad regulatory acceptance. Business Impact: Eases procurement, reduces compliance risk, and supports insurance requirements. Application: Oil, gas, chemical, and mining facilities needing compliant protective devices in hazardous areas. Feature: Enclosure pre-installed with the circuit breaker (with non-interchangeable trip) reduces field assembly steps. Business Impact: Accelerates commissioning, lowers installation labor, and improves traceability. Application: Factory and field installations where quick, reliable protection is critical.
Get a Quick Quote for a Eaton FLB142 WT70 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 FLB142 WT70 3?
Enquire Now
FAQs
When installing the FLB142 WT70 3, follow enclosure threading and mounting guidelines for threaded covers and copper-free aluminum housing. Use the EHD frame’s three-pole configuration to align with upstream protective devices, and ensure the device is within Class I/II/III hazardous locations per NEC/CEC. Verify proper torque on mounting hardware and confirm compatibility with the enclosure loss budget for damp or corrosive environments.
The unit is rated for 70 A and 480 Vac, with a thermal-magnetic trip and a three-pole arrangement. It uses a 1-1/2" trade size, is built in copper-free aluminum with threaded enclosure cover, and belongs to the Crouse-Hinds FLB family. These specifications support reliable protection for medium-size loads in hazardous locations while complying with NEC/CEC standards.
Yes. The FLB142 WT70 3 is certified for Hazardous/Classified Locations, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III. It also carries relevant NEC/CEC certifications and NEMA ratings 3, 4, 7, 9, enabling compliant operation across oil, gas, chemical processing, and mining environments.
Best suited for industrial power distribution in hazardous areas, including oil and gas facilities, chemical processing plants, and mining operations. The 70 A rating at 480 Vac supports motor feeders and panelboards, while the rugged copper-free aluminum enclosure withstands harsh conditions. It is effective where regulatory compliance and reliable protection are critical for uptime.
Maintenance benefits include reduced nuisance trips due to precise thermal-magnetic protection, longer service life from a corrosion-resistant enclosure, and easier commissioning thanks to threaded covers and pre-installed enclosure arrangements. ROI is driven by improved uptime, fewer field failures, and streamlined procurement via NEC/CEC and NEMA-compliant ratings that align with insurance and compliance requirements.