CKF-337 Phase Sequence and Phase Loss Sensor 10A 1P 3M 3x400V AC WITHOUT N
Without neutral wire. Contact 1 x NO/NC. Protects against symmetrical and asymmetrical voltage drops.
Application
The phase loss sensor is designed to protect an electric motor powered from a three-phase network in cases of voltage loss in at least one phase, symmetrical voltage drops in three phases, or voltage asymmetry between phases, which threaten to damage the motor and to secure rotation directions in case of a change in phase sequence before the sensor.
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: relay
- Maximum load current: 10 A
- Contact configuration: 1 × NO/NC
- Contact separation: YES
- Voltage asymmetry activation: 20÷60 V
- Voltage hysteresis: 5 V
- Switch-off delay: 0.2÷5.0 s adjustable
- Power supply control: 4 × LED
- Connection: screw terminals 4.0 mm²
- Tightening torque: 0.5 Nm
- Power consumption: 1.6 W
- Operating temperature: -25÷40°C
- Dimensions: 3 modules (52.5 mm)
- Mounting on rail: 35 mm
- Protection degree: IP20
