Eaton FLB142 TT70 2 Circuit Breaker - Explosionproof
Part Number: FLB142 TT70 2
Quick Summary
Eaton FLB142 TT70 2 circuit breaker protects electrical systems in hazardous locations by interrupting fault currents. In harsh industrial environments, undersized or non-listed protection can drive downtime and safety risks. This unit supports NEC/CEC standards, area classifications for Hazardous/Classified Locations, and robust NEMA ratings. With a 70 A thermal-magnetic trip, TED frame, threaded cover, and copper-free aluminum enclosure, it integrates easily into control panels while improving compliance and reliability. The result is safer installations, faster commissioning, and lower life-cycle costs for industrial facilities. This makes it a practical choice for panel builders and maintenance teams seeking durable, compliant protection. By aligning with local codes and supplier standards, it reduces procurement risk and speeds up project delivery.
Product Information
Extended Description
FLB142 TT70 2 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 70A, TED frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, General Electric breaker, Two-pole, Non-interchangeable trip, 1-1/2", 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB142 TT70 2
UPC
782274658629
Product Length/Depth
8.5 in
Product Height
13.38 in
Product Width
9.13 in
Product Weight
1 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/250 Vdc
Number of poles
Two-pole
Trade size
1-1/2"
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 - FLB142 TT70 2
Feature: 70 A thermal-magnetic trip with 480 Vac/250 Vdc rating. Business Impact: Provides reliable fault detection and coordinated protection, reducing arc-flash risk and minimizing collateral damage in faults. Application: Suitable for main feeders and branch-circuit protection in industrial control panels and hazardous locations. The result is improved uptime and safer system operation in chemical plants, refineries, and mining facilities. Feature: TED frame type with 1-1/2" trade size. Business Impact: Ensures compatibility with existing power distribution footprints and standard mounting practices, accelerating panel builds. Application: Fits standard enclosure depths and DIN-rail interfaces in service panels and switchgear rooms. This compatibility reduces engineering time and installation cost. Feature: Threaded enclosure cover construction. Business Impact: Enhances seal integrity and dust/particle resistance in explosion-proof environments. Application: Critical in environments with dust, vapors, or corrosive atmospheres, such as offshore platforms and chemical processing. Feature: Copper-free aluminum enclosure. Business Impact: Lighter weight and corrosion resistance improve handling and longevity in harsh sites. Application: Used in hazardous area installations where copper-free designs are preferred for magnetic compatibility and compliance. Feature: Enclosure with circuit breaker and non-interchangeable trip. Business Impact: Eliminates risk of incorrect replacement trips, ensuring consistent protection levels. Application: Service panels and remote distribution boards where standardized replacement parts are critical. Feature: NEC/CEC compliance and NEMA ratings 3, 4, 7, 9. Business Impact: Simplifies regulatory approvals and insurance considerations, reducing project risk. Application: Installation in hazardous/classified locations and weather-exposed areas across diverse industries. This combination supports rapid acceptance testing and streamlined procurement.
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FAQs
The FLB142 TT70 2 is designed for hazardous and classified locations, meeting NEC/CEC standards and area classifications. Its threaded cover and copper-free aluminum enclosure are optimized for corrosive or explosive atmospheres, making it well-suited for chemical plants, mining operations, offshore platforms, and other safety-critical control panels.
Key specs include a 70 A amperage rating, 480 Vac / 250 Vdc voltage rating, two-pole configuration, thermal-magnetic trip, and the TED frame type with a 1-1/2" trade size. It is built for rugged industrial protection and provides reliable interrupting capability in demanding environments.
Yes. The product aligns with Canadian certification expectations as shown by the provided certification references. The unit is listed for hazardous locations per NEC/CEC guidelines, and UL-based Canadian certifications are documented in the product's downloadable resources, supporting compliance when installed in Canada.
The combination of a TED frame, 1-1/2" trade size, threaded enclosure cover, and enclosure-ready design enables straightforward mounting in standard control panels. Its non-interchangeable trip reduces wrong-trip replacements, while the copper-free aluminum enclosure keeps mounting weight manageable and supports long-term reliability in harsh environments.
Expected benefits include reduced downtime due to reliable thermal-magnetic protection and fewer mis-replacements thanks to non-interchangeable trips. The rugged threaded enclosure and copper-free aluminum construction offer corrosion resistance and longer service intervals, lowering maintenance costs and accelerating project timelines in hazardous industrial facilities.