Switches on if over/under limits or if device is idle Adjustable thresholds: 0.1 Hz → 25 kHz DC Version: IFMR0036 (9 → 32 VDC) AC Version: IFMR0066 (85 → 250 VAC) All sensors are adjustable via DIP switch Status display via 2 Info LEDs Easy assembly on C or T/Hat