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Products > METERING & CONTROL > Protection Relays > DPR-145 Temperature Protection Relay

DPR-145 Temperature Protection Relay

DPR-145 is a precision unit designed for the temperature protection of dry type or resin filled MV transformers. The unit offers a high degree of protection against electromagnetic disturbances.
 
• 1 degrees C measurement precision
• 4 x PT100 analog inputs
• Allows cable length compensation
• Automatic detection of sensor failures
• Automatic and manual self test
• 4 x relay outputs, 6A/250Vac
• Fully isolated RS-485 serial port
• MODBUS-RTU communication
• Recording of maximum temperatures
• Front panel programmable
• 2 alarm thresholds for channels 1-2-3
• 2 alarm thresholds for channel 4
• Easy to read, 3 digit 14mm led display
• Wide supply voltage range: 19-150VDC
• AC supply version available (85-305VAC)
• Reduced panel depth, easy to install
• Wide operating temperature range, -20 to +70°C
• Sealed front panel (IP65 with gasket)
• 2 part connection system