Electronic Protection & Control

Selling points of the range

Control fan speeds in air-conditioning applications or SP motors with starting capacitors
For 150 to 300 W asynchronous motor at 230 V AC with permanent dephasing via capacitor
0 / 10 V control input
Quiet operation

84 873 012 Phase control - FW phase sequence, loss or volt drop - FW
Phase control - FW phase sequence, loss or volt drop - FW Controls : phase sequence loss of one or more phases undervoltage Control power from sensed circuit Potentiometer for adjusting network voltage Time delay in the event of a fault adjustable : 0.2 to 10 s 2 x 8 changeover relay outputs Voltage and relay indication via 2 LEDs Part number characteristics 84 873 012 Voltages 3 x 400 VAC Setting range 320 - 460 V AC Product available stocked item

84 873 013
Phase control - FW phase sequence, loss or volt drop - FW Controls : phase sequence loss of one or more phases undervoltage Control power from sensed circuit Potentiometer for adjusting network voltage Time delay in the event of a fault adjustable : 0.2 to 10 s 2 x 8 changeover relay outputs Voltage and relay indication via 2 LEDs Part number characteristics 84 873 013 Voltages 3 x 415 VAC Setting range 330 - 480 V AC Product available made to order

Motor Thermistor Relay Controls temperature of machines using built-in PTC probes
1 changeover contact, 24VAC/24VDC supply
Line break or probe short-circuit detection
Version ETM2
Fault latching function
Pushbutton for local reset
Remote reset via external contact
Pushbutton test facility
2 LEDs to indicate relay and power supply status