Eaton FLB224 TT225 3 circuit breaker - Thermal magnetic
Part Number: FLB224 TT225 3
Quick Summary
Introducing the Eaton FLB224 TT225 3 circuit breaker, a rugged protective device designed for demanding industrial and hazardous location installations. This thermal-magnetic breaker provides reliable overcurrent protection for three-pole circuits in 600 VAC systems. Operators often struggle with equipment downtime and noncompliant enclosures; this unit’s threaded cover, copper-free aluminum enclosure, and TFJ frame support durable installation in harsh environments. Certifications and classifications matter in your projects: NEC/CEC compliance, hazardous/classified location ratings, and NEMA compatibility help reduce risk and streamline approvals. For engineers and procurement teams, the combination of high amperage rating (225 A), compact form, and non-interchangeable trip behavior translates to predictable protection and easier maintenance. Use this model where safety, reliability, and regulatory adherence are non-negotiable.
Product Information
Extended Description
FLB224 TT225 3 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 225A, TFJ frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, General Electric breaker, Three-pole, Non-interchangeable trip, 2-1/2", 600 Vac
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB224 TT225 3
UPC
782274012568
Product Length/Depth
16.25 in
Product Height
22.5 in
Product Width
15.5 in
Product Weight
190 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
225 A
Circuit breaker type
Thermal magnetic
Voltage rating
600 Vac
Number of poles
Three-pole
Trade size
2-1/2"
Manufacturer
General Electric
Circuit breaker frame type
TFJ
Enclosure cover construction
Threaded
Enclosure material
Copper-free aluminum
Special features
Non-interchangeable trip
FLB Series Explosionproof Circuit Breakers catalog page
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FLB Explosionproof Circuit Breakers Canadian certification
IF 1016 - FLB Series Circuit Breakers
Eaton Specification Sheet - FLB224 TT225 3
Feature → Thermal-magnetic trip protection; Business Impact → Delivers precise overcurrent protection for medium-to-large feeders, reducing nuisance trips and protecting equipment; Application → Three-pole, 600 VAC systems in hazardous locations. Feature → TFJ frame with threaded cover; Business Impact → Enhances durability and ease of installation in harsh environments, lowering retrofit costs; Application → Industrial, mining, and chemical processing facilities. Feature → Copper-free aluminum enclosure; Business Impact → Improves corrosion resistance and longevity in aggressive settings, reducing maintenance cycles; Application → Hazardous locations enclosures and switchgear. Feature → NEC/CEC compliance and hazardous location ratings (Class I/II/III); Business Impact → Streamlines regulatory approvals and risk management, saving time on audits; Application → Projects requiring strict standards and compliance. Feature → 225 A amperage and 2-1/2 inch trade size; Business Impact → Supports significant feeder loads while fitting standard enclosures, enabling scalable protection strategies; Application → Electrical distribution panels and switchgear in industrial plants. Engineered for reliability, the FLB224 TT225 3 offers quick maintenance access and compatibility with Eaton accessories, reducing total cost of ownership in regulated environments.
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FAQs
The FLB224 TT225 3 is designed with a threaded cover and copper-free aluminum enclosure, supporting secure mounting in standard switchgear while withstanding harsh environments. Ensure enclosure rating aligns with Hazardous/Classified Locations and that the TFJ frame fits your panel dimensions for optimal heat dissipation and access for maintenance.
This breaker features Thermal magnetic protection with a TFJ frame, 225 A rating, and enclosure construction suitable for Class I, Division 1/2, Class II, and Class III environments. It also aligns with NEC/CEC standards and NEMA ratings 3, 4, 7, 9, simplifying regulatory approvals and safe operation in regulated facilities.
The unit employs non-interchangeable trip coordination, ensuring consistent protection without accidental retiming or misconfiguration. This predictability is crucial for critical feeders, improving fault isolation, reducing system downtime, and simplifying maintenance planning during outages or inspections.
Yes. The FLB224 TT225 3 uses a TFJ frame designed for compatibility with standard Eaton accessories and field-installation options. Its threaded enclosure and 2-1/2 inch trade size facilitate straightforward integration into existing switchgear and downstream protection schemes, reducing installation time.
By delivering durable protection (225 A, 600 VAC) in hazardous environments with a reliable non-interchangeable trip and corrosion-resistant enclosure, expected ROI comes from reduced downtime, fewer reworks due to non-compliant components, and streamlined maintenance. The device also minimizes regulatory rework through NEC/CEC compliance and established NEMA ratings.