12S Sequencer – Single Disc, 1 or 2 Pole

Therm-O-Disc

12S Sequencer – Single Disc, 1 or 2 Pole

Therm-O-Disc

Type 12S series sequencers combine a solid state PTC (positive temperature coefficient) heater with bimetal disc actuated contacts to provide time–delayed electrical switching.  The snap action design provides high– speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 30 amps at 240VAC. The 12S is a single disc device (either one or two pole. Typical applications include electric furnaces, gas unit heaters, and other applications where a time delay is required

Specifications

On/Off timings
Wide variety of on/off timings with 24Volt PTC
Contacts
Available with contacts normally open or normally closed
UL / CSA agency ratings
240 VAC /30 amps maximum ”combined” inductive /resistive load (7 amps FLA maximum)
UL / CSA agency ratings
240 VAC /30 amps maximum ”combined” inductive /resistive load (7 amps FLA maximum)

Features

  • Single pole, double pole, or single pole – double throw switching
  • Available with a variety of terminals and baseplates
  • Self–current limiting PTC heaters

Documents & Drawings