Monitoring Relay.
MachineAlert Thermistor Monitoring Relay designed to protect motor control circuits.
The 817-E2 (by Allen-Bradley / Rockwell Automation) is an advanced, compact PTC thermistor monitoring relay. It is designed to protect electric motors, transformers, and bearings from over-temperature conditions, and features short-circuit and open-circuit sensor fault detection.
Other items in Relays.
OMRON
Conductive Level Controller
Compact plug-in controller for single- or two-point control of conductive liquid level
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Temperature measuring transducer
Versatile and reliable temperature transducer designed for easy installation and configuration
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