VOLTAGE BREAK DETECTOR Bierer VBI-15 Direct Contact Voltage Break Indicator provides an audible and visual alarm to indicate the absence of voltage, with an operating range from 7.2kV to 20kV (Line to Ground). An array of lights and an audible alarm to give the user a quick and clear indication that the overhead line has dropped below the threshold value of 2.5kV. Used by all forms of electrical entities; investor owned utilities, municipalities, BI-VBI-15 cooperatives,contractors, etc. to track outages by individual crews at their location on the system. Overload protected to 115kV for your safety. SAIDI and CAIDI ratings improve by quicker outage response time. Water Resistant for inclement weather use. Includes a hook probe, instruction manual, storage bag. BI-VBI-15 VBI-15 Kit APT-1 HD Electric APT-1 Active Power Tester is designed to give an indication when the absence of full line voltage is detected on overhead conductors, giving an audible and visual alert. The APT-1 is for use on uninsulated overhead conductors with voltages from 7.6 to 13.2kV line-to-ground. Lets the worker know whether the overhead voltage has been disconnected prior to working on the line. Clampstick installed. Audible indication and flashing light when the absence of voltage is detected on the line. 9V alkaline battery Included. APT Active Power Tester -1 340 Fax: 704•482•7349 TEST INSTRUMENTS
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