CKF-318 Phase Sequence and Phase Loss Sensor 10A 1P 1M 3X400V with Action Programs
Phase sequence and phase loss sensor. Without neutral wire.
Application
The CKF-318 phase sequence and phase loss sensor is designed to protect electric motors powered from a three-phase network 3×400 V (without neutral wire).
Technical Data
- Supply voltage: 3 × 400 V
- Compatibility with generators: YES
- Phase loss / asymmetry control: YES
- Phase sequence control: YES
- Contactor contact control: NO
- Actuating element: 2 × relay
- Maximum load current: 2 × 8 A
- Contact configuration: 2 × NO/NC
- Contact separation: YES
- Voltage asymmetry action: 20÷80 V
- Voltage hysteresis: 5 V
- Power supply control: 2 × LED
- Switch-off delay for asymmetry and loss: 1÷10 s
- Reconnection delay for asymmetry and loss: 2÷360 s
- Minimum / maximum action voltage: 320 V / 480 V
- Action time for minimum / maximum voltages: 5 s/0.5 s
- Connection: screw terminals 2.5 mm²
- Tightening torque: 0.4 Nm
- Power consumption: 1.6 W
- Operating temperature: -25÷40°C
- Dimensions: 1 module (18 mm)
- Mounting: on a 35 mm rail
- Protection degree: IP20






