The 51-236.025D is a maintained-action actuator designed for panel mounting. It features a round, raised front with an 18 mm diameter and utilizes a self-cleaning, double-break snap-action switching system with 2 NC / 2 NO gold contacts. This actuator is rated for 250 VAC at 5 A (ohmic) and has both a mechanical and electrical lifetime of 50,000 cycles. Connections are made via soldering terminals, and it offers IP65 front protection, making it suitable for demanding environments. Its robust design, with an operating temperature range of -25 °C to +55 °C, ensures reliable performance in various industrial control and human-machine interface applications.