Altech Corporation, founded in 1984, is a United States supplier of components and devices used in industrial control, instrumentation, medical and automation applications. The Altech product line includes miniature circuit breakers, busbars, DC-UPS devices, digital panel meters, DIN rail terminal blocks, printed circuit board terminal blocks, contactors, industrial relays, motor disconnect swi
VT100 Voltprobe Circuit Tester - 115 to 550 Volts AC & 115 to 750 VDC. With Buzzer to signify voltages of 12V or more.