Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—977 TSI
977 TSI
The Honeywell 977 TSI is a robust thermal safety switch designed to prevent equipment overheating in industrial applications. Its snap-action mechanism ensures rapid response (<10 sec) to temperature excursions, cutting power at preset limits. With 316L stainless steel construction and IP65 protection, it withstands harsh environments (e.g., boilers, compressors, motors). Certified for hazardous areas (ATEX/IECEx), it prioritizes safety in oil/gas, power generation, and manufacturing.
DESCRIBE
Type: Thermal Safety Switch/Temperature Limiter

Temperature Range: -40°C to +450°C (-40°F to +842°F) [adjustable]

Set Point Accuracy: ±1% of range

Switch Type: SPDT (Single Pole Double Throw)

Electrical Rating: 16A @ 250VAC (resistive load)

Response Time: <10 seconds (thermal snap-action)

Probe Material: Stainless steel 316L (corrosion-resistant)

Enclosure Rating: IP65 (dust-tight & water-resistant)

Mounting: Threaded process connection (e.g., 1/2" NPT)

Certifications: ATEX, IECEx, UL, CE (for hazardous areas)
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