The standard heavy duty range are housed in robust zinc die castings and as standard have a 0.7 metre heavy duty cable. Longer cable variants are available.
The N/O3 is a normally open switch, the contacts close in the presence of the actuator magnet.
The C/O4 and C/O4/R both have 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/5. The AM/9 or AM/10 may also be used if a greater operating distance is needed.
