The AK series has the high degree of protection IP65, is standard sealable and to be obtain as metric knockouts. No subsequent drilling or milling - simply eject the knockouts with a screw driver and install the included IP 54/66 pinching - that's it. The housings are available in two different materials. Polystyrene (AKL) is best suitable for internal use. For the employment in the protected external area UV and weather-proof polycarbonate (AKi...) is to be used. The cases are resistant to scratches and are characterized by high flexibility, such as the enhancement program and the many mounting options inside the box, the custom standard rails and mounting plates. The covers are optionally available in Gray or Transparent . The wall mounting options in the box below the ground and alternatively cover bolts round off the variety of possible uses.