Marquardt Microswitches 24V DC 2A IP40/67 SPDT Momentary – Marquardt 1055.2351, A microswitch from Marquardt with compact design and dust- and water-protected switching system. Modular design with a large variety of connections additional actuators and fixing methods. Snap/quick break switch (momentary function). Marquardt 1055.2351 Microswitch 2A IP67 SPDT Momentary 1 Pole PCB 14.75mm