Manufacturer: ZIEHL industrie-elektronik GmbH
Model / Type: TR400
Part Number: T224380
Device Type: Pt100 Temperature Relay / Temperature Controller
Inputs & Measurement:
Sensor Type: 4 × Pt100 RTD (EN 60751 / IEC 60751)
Sensor Connection: 2- or 3-wire connection
Measuring Range: -199 °C … +800 °C
Outputs & Relays:
Relay Outputs: 4 × change-over contacts (four limits K1…K4)
Fault / Sensor Error: Fault detection relay for sensor break/short circuit
Analog Outputs: 2 × analog outputs (0/4…20 mA and 0/2…10 V), individually scalable
Power & Supply:
Supply Voltage: Universal AC/DC 24 … 240 V
Power Consumption: < 4 W / < 13 VA (typical)
Frequency: 0 / 50 / 60 Hz
Display & Indicators:
Display: Digital display for measured temperature and programming
LED Indicators: LEDs for sensors and alarm/relay status
Functions & Programming:
Hysteresis: Adjustable per relay
Reset Modes: Auto-reset or locked reset with remote reset contact option
Delay Settings: Adjustable response and switch-back delays
MIN / MAX Monitoring: Supported
Mechanical / Environment:
Mounting: Snap-on DIN rail or panel mount with frame accessory
Approvals: UL/CSA recognized component; EU / UKCA declaration of conformity