Descriptions:
2NO 2NC contact type, keylock rotary selector action, 19mm panel cutout diameter.
Button locking when rotary, rotary again the key to reset.
1 Positions can pull out the key.
Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits.

Features:
Rated Current & Voltage: 250V/2A 125V/4A
Light Voltage: No Light Include;
Model: S1902
Position: 2
Operation Type: Locking;
Contact Type: 2NO 2NC
Mounting Hole Dia: 19mm / 0.74"
Total Size: 38*25mm (H*D)
Material：Copper Chrome Plating
Terminal： 4 Pins
Terminal type: Welded

Package Content:
1 x Key Push Button Switch / 2 x Keys