Pepperl Fuchs KCD2-RR2-Ex1 Resistance Repeater (314455)

P&F KCD2-RR2-Ex1 is a compact 1-channel resistance repeater for transmitting RTD or potentiometer signals from hazardous zones to safe areas. With a housing width of just 12.5 mm and SIL 2 functional safety rating, this device is ideal for applications requiring high-accuracy signal transfer from Pt100, Pt500, or Pt1000 sensors in intrinsically safe environments.

Technical Specifications

• Model: KCD2-RR2-Ex1
• Function: Resistance repeater (RTD and potentiometer signal transfer)
• Input Type: Pt100, Pt500, Pt1000 or potentiometer
• Input Configuration: 2-, 3-, or 4-wire technique
• Signal Type: Analog input
• SIL Rating: SIL 2 (Systematic Capability SC 3) per IEC/EN 61508
• Accuracy: ±0.1%

Electrical Features

• Power Supply: 19 … 30 V DC (via Power Rail or terminals 9+, 10-)
• Power Consumption: 0.35 W (24 V, 1 mA); 0.85 W (30 V, 10 mA)
• Rated Current: < 28 mA
• Available Voltage: 7 V (input), 0 … 4.2 V (output)
• Input Resistance: ≤ 10% of RTD value
• Output Current: 0 … 10 mA
• Line Fault Detection: Active for Pt100 (< 30 nA)
• Reverse Polarity Protection: Yes, for I < 10 mA / U < 20 V

Performance

• Deviation (≥1 mA): ±0.1% of Rm or ±0.1 Ω
• Deviation (<1 mA): Proportional reduction in accuracy
• Temperature Drift: 0.01%/K (if Rm ≥ 100 Ω and Im ≥ 1 mA)
• Settling Time: ≤ 5 ms
• Rise/Fall Time: ≤ 2 ms (10% to 90%)

Environmental Conditions

• Ambient Temperature: -40 … 70 °C (-40 … 158 °F)
• Protection Class: IP20
• Mounting: 35 mm DIN rail (EN 60715)
• Connection: Screw terminals
• Dimensions: 12.5 x 119 x 114 mm (W x H x D)
• Weight: Approx. 100 g

Hazardous Area Compliance

• Zone Classification: Zone 0, 1, 2 / Div. 1, 2
• ATEX Marking: II (1) G [Ex ia Ga] IIC, II (1) D [Ex ia Da] IIIC
• IECEx Marking: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
• Maximum Safe Voltage (Um): 250 V
• Galvanic Isolation: 375 V peak per IEC/EN 60079-11

Key Features & Benefits

✅ High Accuracy 0.1%: Reliable signal transfer from RTDs and resistance sensors.

✅ SIL 2 Functional Safety: Ideal for safety-related process applications.

✅ Line Fault Detection: Built-in for Pt100 sensors.

✅ Space-Saving Design: Slim 12.5 mm housing for dense panel installations.

✅ Flexible Wiring: Supports 2-, 3-, or 4-wire RTD configurations.

📦 Buy Pepperl+Fuchs KCD2-RR2-Ex1 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable KCD2-RR2-Ex1 prices.

This resistance repeater is ideal for precision RTD signal transfer from hazardous zones using minimal panel space.

Fast UK delivery available with 2-year warranty and full technical support.

Contact us now to order or request technical documentation.