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- PTC thermistor-based with switchable functions- With one probe as fill level limit switch: immersion or emergence causes relay switchover- With two probes as fill control or withdrawal control:- Set internal switch to "Fill"- Relay switch-on when min. probe is heated- Switch-off by immersion of max. probe - Operating voltage: 220 V / 50 Hz - Power: 3 VAProbe- Operating voltage: 220 V / 50 Hz- Power consumption: 3 VA- Relay contact: 1 x changeover switch, potential-free- Ambient temperature: -10° to 55°C- Plug-in housing, IP 43- Dimensions (H x W x D): 110 x 50 x 110 mm- PTC thermistor probe 150 or 937- Liquid temperature: -25° to 55°C- Cable resistance: max. 10 Ohm- Probes are not included in the scope of delivery
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