- Monitoring relay for the active power in symmetrically loaded three-phase current supply - Limit value monitoring of the active power - Upper and lower limit value gertrennt on absolute scale adjustable - Measurement of the tension of the own current supply - Measurement of the genuine rms - Current measurement: Direct connection, current transformer connection - Signal delay 1 to 30 s with rotary button adjustable - Self-holding or barriers of the exit at adjusted limit value programmable - Automatic and manual switching of the load on and off - Exit: 1poliger change-over switch 8 A; selectable: in a state of rest excited or does not excite - For assembly on DIN rail according to DIN EN 50,022 (DWB02) or as plug-in module (PWB02) - Euro standard housing 45 mm (DWB02) or plug-in module 36 mm (PWB02) - LED display for relays, alarm and operating voltage