Catalog > Consumer Electronics > Electrical Catalog > Consumer Electronics > Electrical > Clearline Electronic Protection CRL 12-00187 INTERCOM PROTECTION UNIT 36V Part No: CRL 12-00187 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Signal line protector for a intercomm system, with a maximum operating voltage of 15VDC. Fast resopnse time. Easy installation with screw terminations. Also available for 15 VDC (12-00185)