Black Short Profile 22mm Selector Switch, 2-Position Maintained

These are two-position selector switches with maintained action. This product is one of the shortest illuminated 22.5 mm switches on the market. The depth behind the panel is 48 mm (1.88"). Three block configurations are available: 1) one normally open (NO) block, 2) two normally open (NO) blocks, or 3) one normally closed (NC) block and one normally open (NO) block. 

See the BK-SW15 for additional switch blocks. Whether the block is a NO or a NC block is printed on the side of its block. This can also be identified by looking at the bottom of the block. A green round dot indicates a NO block; a red round dot indicates a NC block.     

2NO blocks option: 
Selector Position 1: keep Channel 1 and Channel 2 open.
Selector Position 2: keep Channel 1 and Channel 2 closed.

1NO, 1NC block option: 
Selector Position 1: Channel 1 closed and Channel 2 open.
Selector Position 2: Channel 1 open and Channel 2 closed.

Specifications
Mounting Cutout: 7/8" in (22.5 mm) Diameter
Length Behind the Mounting Panel: 48 mm  (1.88")
Operation Current Rating: 10A at 120 VAC or 240 VAC
Mechanical Life: 1,000,000 Cycles
Number of Contact: 1 Normally Open
Switch Type: Maintained Action

Click here for Switch Selection Guide

The diagram shows the dimension of SW20 selector swithes (the unit is mm).