Sensor Input: 4 × Pt100 (RTD) or Pt1000
Sensor Connection Method: 2-wire or 3-wire system, with a maximum line resistance of 2 × 50 Ω
Measurement Range: -199...+850°C / -199...+999°F
Measurement Accuracy: < 1% of the measured value ± 1 digit
Sensor Current: ≤ 1 mA
Alarm/Relay Output: 4 relays with change-over contacts
Relay Capacity: Fan relay (K1): 10 A; remaining relays: Type 3
Power Supply Voltage: AC/DC 24–240 V (range: AC 20–264 V, DC 20–297 V)
Power Consumption: < 3 W, < 5 VA
Display: 3-digit, 7-segment LED display with LED indicators (for sensor, alarm, and relay status)
Setting Parameters:
Hysteresis: 1...99 K
Switching delay: 0...999 s
Operating mode: Operating current/closing current
Automatic reset/electronic latching
Fan cycle test (K1 only)
Communication Interface: Optional RS485 (Modbus RTU)
Ambient Temperature: -40...+65 °C
Enclosure Dimensions (H × W × D): 96 × 96 × 85 mm (panel-mounted)
Mounting Hole Size: 92 × 92 mm (tolerance ±0.8 mm)
Terminal Blocks: 2 × 13-pole
Supported Conductors: Single-strand: 0.5 mm², Multi-strand: 0.14–1.5 mm² (with insulation sleeves)
Protection Rating: Front panel: IP54, Enclosure/terminals: IP20
Weight: Approximately 290 g