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Thermal Time Delay Relay
Ulanet thermal timers comprise of an assembly having one stationary adjustable contact and one movable contact attached to the end of a bimetal strip. A heater coil winding is insulated from the bimetal by a wrapping of high dielectric heat resisting tape.


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Thermal Time Delay Relays(Model # DM-212)

Ulanet thermal timers comprise of an assembly having one stationary adjustable contact and one movable contact attached to the end of a bimetal strip. A heater coil winding is insulated from the bimetal by a wrapping of high dielectric heat resisting tape. Upon energizing the heater coil the bimetal bends and either closes or opens a set of contacts according to adjustment screw settings. After heater is de-energized the bimetal cools and returns to its original position.

Normally open timers close contacts after applied power. To increase timing turn adjustment screw so that contact gap is increased

Normally closed timers open contacts after heater coil is energized. To increase timing turn adjustment screw in the direction that increases contact pressure.

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Features / Ratings
  • Contact rating: 1500W 115-230VAC
  • Heater coil rating up to 230VAC
  • Timing Range up to 3min
  • Dimensions: 2.125"L. x 0.5"W.x 0.625"H.