The Hazcon range is available in 5 enclosure sizes depending on quantity of actuators required: 1A (1 actuator) 1B (up to 2 actuators) & 1C (up to 3 actuators) 2A (up to 4 actuators) & 2C (up to 6 actuators). Designed to accept either din rail mount, or panel mount contact blocks, there is a complete range of options available including pushbuttons, selector switches and ammeters.