TSW OMEGA | Alldatasheet
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Technical content
P OMEGA’s TSW Series adjustable temperature switch is perfect for applications that 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 A 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. Please visit omega.com. Specifications Temperature Range: -43 to 266°C (-45 to 510°F) Temperature Sensor: Limit filled, saturated vapor sensor Ambient Temperature Limits for Switch Body: -55 to 105°C (-67 to 221°F) Max System Temperature Capillary: 425°C (797°F) Max System Pressure: 68.9 bar @ 425°C (1000 psi @ 798°F) Electrical:
1 A Rated Contacts: 115 Vac/28 Vdc
5 A Rated Contacts: 250 Vac/28 Vdc
Max Switch Cycle Rate: Not to exceed 20 cycles per minute Wiring Code: Black = common, white = normally open, red = normally closed Construction Materials Wetted Parts: Temperature Sensor: 316 SS Non-Wetted Parts: Body: 303 SS Lock Ring: Zinc alloy, chromate finish Switch Housing: Zinc alloy, chromate finish Caps and Accessories: Black valox and brass terminals Indicator: 303 SS Indicator Ring: Black nylon Wire Interface: 3-wire pigtail, furnished 300 mm (12") long,
20 AWG insulated with PVC, 300V rating
Weight: 113 g (0.25 lb) To Order Contact Model Temperature Rating Repeatability No. Range °C/°F (A) °C/°F TSW-21 -25 to 20 (-13 to 63) 1 ±0.9 (1.6) TSW-25 -25 to 20 (-13 to 63) 5 ±0.9 (1.6) TSW-31 -5 to 35 (23 to 95) 1 ±0.8 (1.4) TSW-35 -5 to 35 (23 to 95) 5 ±0.8 (1.4) TSW-41 25 to 70 (77 to 158) 1 ±0.9 (1.6) TSW-45 25 to 70 (77 to 158) 5 ±0.9 (1.6) TSW-51 55 to 105 (131 to 221) 1 ±1.0 (1.8) TSW-55 55 to 105 (131 to 221) 5 ±1.0 (1.8) TSW-61 80 to 125 (176 to 257) 1 ±.9 (1.6) TSW-65 80 to 125 (176 to 257) 5 ±.9 (1.6) TSW-71 115 to 175 (239 to 347) 1 ±1.2 (2.2) TSW-75 115 to 175 (239 to 347) 5 ±1.3 (2.3) TSW-81 175 to 230 (347 to 456) 1 ±1.2 (2.1) TSW-85 175 to 230 (347 to 456) 5 ±1.2 (2.1) TSW-91 200 to 265 (392 to 509) 1 ±1.3 (2.4) TSW-95 200 to 265 (392 to 509) 5 ±1.3 (2.4) Model No. Description 3/4-385S-U21/2-304SS Stainless steel thermowell 3/4-385S-U21/2-BRASS Brass thermowell SSLK-38-12 Stainless steel compression fitting BRLK-38-12 Brass compression fitting Accessories Comes complete with operator’s manual. Other thermowells available; Ordering Example: TSW-41, adjustable temperature switch with a 25 to 70°C (77 to 158°F) range, 1 A contact rating and 3/4-385S-U21/2-304SS, stainless steel thermowell. U Compact and Economical U Ideal for Economical Temperature Switching Applications U External Temperature Scale Dial for Easy Setpoint Adjustments (°F Only) U 1 A Gold Contacts for TTl and Dry Contact Closures U 5 A Silver Contacts for Larger Electrical Loads U Vibration Resistant TSW-11 shown smaller than actual size. 146.1 (5.75) 171.5 (6.75) 27.7 (1.09) 9.7 (0.38) Dia. 14.2 (0.56) TSW Series Adjustable Temperature Switches Dimensions: mm (inch)