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Bi-Metal Immersion Temperature Switches

Item# TSW-TT-F3A-100R/WL

Bi-Metal Immersion Temperature Switches
OMEGA’s TSW series adjustable temperature switch is perfect for applications which require an economical solution to temperature control. The stainless steel stem of the TSW series switch is sealed and filled with a gas that expands as process temperature rises. A membrane within the switch body mechanically causes closure of a 5 Amp form C relay.

The 9.7 mm (0.38") diameter of the probe is designed to mate with OMEGA’s standard 385 series thermowells for your most rugged applications. See Section B of the OMEGA Complete Temperature Measurement and Control Handbook and Encyclopedia® for thermowell selection.
TSW-TT-F3A-100R/WL
  • Low Voltage/Low Current Applications
  • 1/4 NPT Mounting Threads
  • Factory Preset Temperature
  • Direct Action Contacts/Minimum Hysteresis
  • Gold Diffused, Fine Silver Contacts
  • Economical and Compact
  • NEMA 4, 13
  • Compact and Economical
Switch Type
Open Setpoint
Closed Setpoint
Contact Blocks
Switch Operation
Probe Length
Sensor Material
Probe Diameter
Maximum Temperature Measurement
Minimum Temperature Measurement
Maximum Rating
Minimum Supply Voltage
Maximum Supply Voltage
Additional Options
Maximum Switching Voltage
Enclosure Rating
See All Options
Quantity Price each
1-9 $35.54
10-24 $33.76
25-49 $33.05
50-99 $31.63
100-199 $30.92
200+ $30.21

In stock

Lead Time ( If not in Stock): 4 weeks

Product Specs

  • Contact Rating 3 A @ 240 Vac
  • Connection Size 1/4 NPT Mounting Threads
  • Contact Material Gold Diffused
  • Maximum Pressure 5000 psi
  • Wire Length 152.4 mm (6") wire leads

OMEGA’s TSW series adjustable temperature switch is perfect for applications which require an economical solution to temperature control. The stainless steel stem of the TSW series switch is sealed and filled with a gas that expands as process temperature rises. A membrane within the switch body mechanically causes closure of a 5 Amp form C relay.

The 9.7 mm (0.38") diameter of the probe is designed to mate with OMEGA’s standard 385 series thermowells for your most rugged applications. See Section B of the OMEGA Complete Temperature Measurement and Control Handbook and Encyclopedia® for thermowell selection.

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