The 0041-2311 is a single-pole front panel-mount momentary action illuminated Pushbutton Switch. Lenses are available in square 18 x 18mm. The standard design protects the front of the switches against accidental operation. The pushbutton switches can be fitted with a device to prevent accidental twisting. The switches have snap action elements and are available with 1 to 4 contact blocks. The gold-plated contacts are standard and are suitable for both, low-current use and standard applications.