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Phase voltage controller PKF-333SZE. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.
Technical specifications
Channels | 2 |
Supply | 3x(50...230...265)V. Max 2,5W |
Frequency | 40...50...60 Hz |
Indicator | 3xLED 3 digits |
Measuring mode | True RMS |
Activation voltage | 49...264 V (set) |
Reset voltage | 50...265 V (set) |
Activation time | 0,3...99 s (set) |
Reset time | 1...999 s (set) |
Phase angle deviation | [±3...±9]° (set) |
Phase sequence control | Yes (can be turned off) |
Switch outputs | 2 x switching 2A, 250V AC |
Ambient temperature | -15°C...+55°C |
Mounting | 35 mm rail |
Protection class | panel IP40, connections IP20 |
