Eaton FLB115 WT30 2 - Explosionproof Circuit Breaker
Part Number: FLB115 WT30 2
Quick Summary
Eaton FLB115 WT30 2 is an explosionproof circuit breaker designed for hazardous-location power distribution. In rugged industrial environments, misapplied protection or undersized enclosures can drive costly downtime and safety risk. This model carries NEC/CEC compliance, with hazardous-location ratings across Class I, II, and III zones, plus compatible NEMA ratings for demanding installations. The threaded-cover enclosure and copper-free aluminum housing simplify field maintenance and corrosion resistance in harsh environments. It also features a 30 A thermal-magnetic trip in a two-pole design, helping ensure selective protection and predictable shutoff. For procurement and panel-building teams, this unit delivers reliable protection, easier sourcing from Eaton Crouse-Hinds, and a clear path to code-compliant installations while supporting long-term cost efficiency.
Product Information
Extended Description
FLB115 WT30 2 Eaton: Eaton Crouse-Hinds series FLB circuit breaker, 30A, FDB frame type, Thermal magnetic, Threaded cover construction, Copper-free aluminum, Cutler-Hammer breaker, Two-pole, Non-interchangeable trip, 1-1/4", 600 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series FLB circuit breaker
Catalog Number
FLB115 WT30 2
UPC
782274018348
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
30 A
Circuit breaker type
Thermal magnetic
Voltage rating
600 Vac/250 Vdc
Number of poles
Two-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 UL certification
FLB Explosionproof Circuit Breakers UL certification
IF 1016 - FLB Series Circuit Breakers
Eaton Specification Sheet - FLB115 WT30 2
Explosionproof construction within the FLB115 WT30 2 delivers immediate business value by enabling safe operation in the most demanding zones. The unit’s FLB series design meets strict hazardous-location requirements, reducing ignition risk and ensuring reliable shutdown during fault events. In chemical processing, oil and gas, and heavy manufacturing, that protective margin translates into fewer emergency interventions and improved personnel safety when panels live in Zone 1 and Zone 2 locations. Thermal-magnetic protection with a 30 A rating and 600 Vac/250 Vdc capability provides precise overload clearing and fast short-circuit interruption. This improves motor and feeder protection, lowers equipment wear, and minimizes productivity interruptions caused by nuisance trips. In practice, panel builders can design with confidence: the two-pole configuration matches common motor-control circuits, while the FDB frame aligns with standard installation footprints. Frame compatibility and mounting simplicity come from the 1-1/4" trade size and threaded enclosure cover. This means easier integration with existing Eaton Crouse-Hinds enclosures and reduced field wiring complexity. Installation teams save time on alignment and hardware stocking because the unit follows familiar dimensions and mounting standards, helping reduce project lead times and commissioning risk in large-scale panel builds. Copper-free aluminum enclosure offers corrosion resistance and lighter weight without sacrificing strength, ideal for exposed outdoor or damp environments. The threaded cover provides a robust seal against dust and moisture, which improves reliability in dusty industrial plants and offshore locations. Combined with non-interchangeable trip, this design prevents accidental module swaps and ensures the protection setting remains constant over service life. Regulatory alignment and dependable performance are enhanced by the NEC/CEC compliance and hazardous-area ratings, including Class I/II/III, plus NEMA 3, 4, 7, 9. These certifications simplify approvals, streamline procurement, and support consistent worldwide deployment. In practice, operators gain predictable protection for critical circuits, with easier maintenance planning and better total cost of ownership over the life of the installation.
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FAQs
To ensure reliable performance in hazardous locations, mount the FLB115 WT30 2 in an appropriate enclosure with threaded cover and copper-free aluminum housing. Follow NEC/CEC guidelines and local code requirements, verify the 1-1/4" trade size fits standard chassis, and use proper torque on mounting hardware. The unit’s rugged construction minimizes ignition risks and maintains consistent trip characteristics in harsh environments.
The thermal-magnetic trip combines a thermal element for overload protection with a magnetic mechanism for short-circuits. This provides fast, coordinated shutdown of affected circuits, reduces nuisance trips during surges, and helps protect motors and feeders. With a 30 A rating and 600 Vac/250 Vdc capability, it supports reliable protection for mid-size control circuits in demanding facilities.
Yes. The FLB115 WT30 2 uses the FDB frame and 1-1/4" trade size designed for Eaton Crouse-Hinds installations, enabling straightforward mounting in compatible enclosures and panels. Two-pole construction and threaded cover simplify wiring and maintenance, while the standard dimensions help maintain consistency across existing panels and spare-part inventories.
This breaker carries NEC/CEC compliance and hazardous-location ratings across Class I, II, III, with area classifications for Hazardous/Classified Locations and NEMA ratings 3, 4, 7, 9. UL certification pages also support Canada suitability. Together, these certifications streamline regulatory approvals, reduce design review cycles, and simplify sourcing for projects needing formal hazardous-location approvals.
From a financial perspective, the rugged FLB115 WT30 2 reduces downtime and maintenance costs thanks to a durable copper-free enclosure and a fixed, non-interchangeable trip that minimizes mis-sizing. Its long service life and compatibility with standard enclosures improve spare-part availability, lowering lifecycle costs for panel builders and operators in chemical, oil, and manufacturing environments.