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Temperature monitoring relay 250 V | TC70phase sequencethree-phasefor electric motors
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Characteristics
- Measured/monitored value
- temperature, phase sequence
- Network
- three-phase
- Applications
- for electric motors
- Mounting
- panel-mount
- Tripping current
1 A, 3 A
- Trigger voltage
250 V
Description
TC70 is a specialized device for monitoring and protection of 3-phase asynchronous motors, designed for DIN-rail mounting. It monitors phase presence and order, phase line voltage, and zero presence, and switches off its relay output in the cases of failure. An additional input for connecting a thermistor with positive temperature coefficient (posistor) is used for monitoring motor temperature. A cheap, yet highly reliable device, TC70 can be used not only for motor protection, but also in all cases, in which 3-phase system power supply should be monitored.
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