The E2B-M18LS08-WP-B1 2M is a part from Omron's Enclosed Sensing Switch (e-Switch) series. It is rated for both AC and DC operation and comes in a 2M size. It is a single-pole single-thow, normally open switch with a plunge or toggle actuator type. It is dustproof and waterproof, rated at IP67, and has a maximum voltage of 250VAC and a maximum current of 0.3A. The operating temperature range for this switch is -25 to +70°C, and the actuator construction is aluminum die-cast. The e-Switch has an additional protection build in, providing overload and short-circuit protection.