PILZ German Power Monitoring Relay with True Power Monitoring 16 Output Channels and Modular Expansion Support
The Pilz 890060 is an electronic true power monitoring relay from the S1WP series, designed by the German automation company Pilz. It is primarily used to monitor and safeguard electrical systems, specifically for the true power (effective power) of single-phase or three-phase supplies.
| Parameter | Specification |
|---|---|
| Model Name | S1WP 9A |
| Supply Voltage | 110 – 230 V AC/DC |
| Measuring Current | Up to 9 Amperes |
| Measuring Voltage | 0 – 415 V AC/DC |
| Frequency Range | 0 – 1000 Hz |
| Outputs | 1 changeover (C/O) contact for relay output 1 analogue output (switchable between 0–10 V DC or 4–20 mA) |
| Dimensions | 22.5 mm wide S-95 housing |
This device monitors for overload and underload conditions. It is particularly effective for frequency-controlled motors where standard current monitoring might be inaccurate due to varying frequencies.
- True Power Monitoring: Detects actual power consumption rather than just current, allowing for more precise protection of machine controls and plant engineering.
- Customizable Protection: Features 9 different measuring ranges and adjustable switching thresholds from 5% to 100% of the measuring range limit.
This relay is widely used in automation technology, machine tool manufacturing, and industrial plant engineering to protect motors and electrical components from damage caused by power fluctuations or mechanical failures that manifest as electrical load changes.
Ideal for applications requiring precise power monitoring in variable frequency drive environments.
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