Finder monitoring relays 71 series finder 713184001010 the over under voltage monitoring relay finder 713184001010 is rated at 400v 10a this 3 phase 1 co spdt relay is for mounting onto 35mm din rail it detects and trips on out of limits l l voltage and protects against excessive 8216startshour through power on and lock out time delaystypical applications protection of compressor motors and high pressure discharge lamp circuitry finder 713184001010 10a over un