Model SW 3-Pole, 12-Throw
Rotary Signal Selector Switch
 For Thermocouple, RTD & Other Signals

Features
  

• Manually selects up to 12 input signals for a digital panel meter or other instrument.

• Rotary knob with positive detent action.

• Selected channel shown in window.

• Suitable for thermocouples and RTDs.

• Fits 1/8 DIN size panel cutout.

• A selector switch and apanel meter can share the same 1/4 DIN panel cutout

Laurel's Model SW 3-pole, 12-throw rotary signal selector switch allows a single digital panel meter (or other instrument) to accept up to 12 separate input signals, such as thermocouples, RTDs  (2- and 3-wire), 4-20 mA current loops, 0-10V voltage signals, etc. The desired signal is selected by manually rotating a knob. The rotary mechanism has a positive action, and the selected position is identified through a window on the selector dial.   

The SW Series case fits in a 45 x 92 mm panel cutout, like a 1/8 DIN digital panel panel meter. An SW Selector Switch and a 1/8 DIN panel meter will fit neatly into the same 1/4 DIN 92 x 92 mm panel cutout, as illustrated to the right.

SW3P12T:  3-pole, 12-way switch. For voltage, current, 2-wire RTDs, 3-wire RTDs, and slide-wire ratiometric position sensors.

Electrical

Contact material
Loop resistance
Off resistance
Current rating
Voltage rating
Loop Integrity Zener voltage
Loop integrity Zener current

Silver plated brass
< 200 milliohms
> 1000 Megohms
2 A switching
50 V switching
3 V
50 mA max.

Mechanical & Environmental

Case depth
Panel cutout
Operating temperature

110 mm (4.33")
45 x 92 mm (1.77" x 3.62")
0 to 60ºC (32 to 140ºF)