The miniature heavy duty range are housed in robust zinc die castings and as standard have a 0.5 metre cable. Longer cable variants are available.
The N/O2/M is a normally open switch, the contacts close in the presence of the actuator magnet.
The C/O3/M is a SPCO single pole change over switch, these contacts change over in the presence of the actuator magnet.
The standard actuator magnet for this switch range is the AM/4. The AM/8 may also be used if a greater operating distance is needed.