The 757 Series is available with 4, 6, or 8 ports per box with either 4 or 5 poles per port. The master cable can be configured via a M23 connector or pre-installed. The M23 connector version allows the master cable to be connected/disconnected and offers an IP 67 rating, while the pre-cabled version offers an IP 68 rating. All cables, master or sensor/actuator, are of PUR Halogen-free type and meet the requirements of UL 94 V-0. Junction boxes, made of polyamide 6.6, are likewise rated to UL 94 V-0. 757 Series pricing ranges from $50 to $150.