This waterproof micro lever switch is an SPST normally closed switch and because of the dustproof and waterproof rate is IP67, we not only can use it in a wet environment but in dust surround as well.
And, like a miniature snap-action switch, it has a long simulated roller lever which can help the switch to release its operation force. For example, the operating force is 150gf without a lever. But if we have this lever, the operation force will change to another parameter. Hey, this is a 31# lever.
Meanwhile, G306-150E31BA-300 belongs to the M3 shape and post. Some equipment needs it because of the installation requirements. For example, the screw in the system is M3, customer only can use the M3 microswitch to install it.