Shenzhen Hengyo Power Technology Co., Limited
| Payment Terms | T/T,Western Union |
| Supply Ability | 500pcs/month |
| Delivery Time | 3 working days |
| Packaging Details | original package |
| Condition | original brand new |
| Warranty | one year |
| Shipping way | DHL FedEx express |
| Application | Automation Industries, oil, gas, chemical industries |
| Certificate | CE ISO TUV |
| Brand Name | PEPPERL+FUCHS |
| Model Number | KCD2-RR2-Ex1 |
| Place of Origin | Singapore |
| Certification | CE SIL3 |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 500pcs/month |
| Delivery Time | 3 working days | Packaging Details | original package |
| Condition | original brand new | Warranty | one year |
| Shipping way | DHL FedEx express | Application | Automation Industries, oil, gas, chemical industries |
| Certificate | CE ISO TUV | Brand Name | PEPPERL+FUCHS |
| Model Number | KCD2-RR2-Ex1 | Place of Origin | Singapore |
| Certification | CE SIL3 | ||
| High Light | 1-channel isolated safety barrier ，PEPPERL+FUCHS resistance repeater ，KCD2-RR2-Ex1 intrinsic safety barrier | ||
The KCD2-RR2-Ex1 is a high-performance 1-channel isolated barrier from Pepperl+Fuchs' K-System, specifically engineered to transfer resistance values from RTDs (Pt100, Pt500, Pt1000) or potentiometers located in hazardous areas to safe area control systems with exceptional accuracy.
This signal conditioner provides complete galvanic isolation between field and control circuits while maintaining 0.1% accuracy across the entire measurement range. The device supports 2-, 3-, or 4-wire techniques depending on the required accuracy, ensuring that the input card of the control system measures the same load as if it were connected directly to the resistance in the hazardous area.
Certified for SIL 2 (SC 3) acc. to IEC/EN 61508 and approved for hazardous area installation with [Ex ia Ga] IIC, [Ex ia Da] IIIC, and [Ex ia Ma] I certifications, the KCD2-RR2-Ex1 delivers reliable, safety-rated performance for temperature measurement and resistance signal transfer in explosive atmospheres.
With a compact 12.5 mm width and 24 V DC power supply (via Power Rail or terminals), this device is the ideal solution for RTD and potentiometer signal isolation in hazardous area installations.
| Code Segment | Meaning |
|---|---|
| KCD2 | K-System, 2-channel housing width (12.5 mm) |
| RR2 | Resistance Repeater – transfers resistance/RTD signals |
| Ex1 | 1-channel with intrinsic safety (Ex) certification |
This model features screw terminal connections. For spring terminal (push-in) version, specify KCD2-RR2-Ex1.SP.
Delivers exceptional measurement precision with deviation of ±0.1% of Rm or ±0.1 Ω – ensures reliable temperature measurement and resistance signal transfer.
Accepts Pt100, Pt500, and Pt1000 RTD sensors – flexible field device compatibility for various temperature measurement applications.
Supports 2-, 3-, or 4-wire techniques depending on the required accuracy – eliminates lead resistance errors for long-distance installations.
Monitors field wiring for Pt100 sensors – detects open and short circuits, enabling predictive maintenance and reducing unplanned downtime.
Certified with [Ex ia Ga] IIC for Zone 0, 1, and 2 hazardous areas – gas groups IIC (hydrogen, acetylene), IIB, and IIA. Also certified for dust (IIIC) and mining (Ma) applications.
Safety Integrity Level 2 (SC 3) acc. to IEC/EN 61508 – suitable for safety-related applications.
| Parameter | Value |
|---|---|
| Manufacturer | Pepperl+Fuchs SE |
| Product Type | Resistance Repeater / Isolated Barrier |
| Model | KCD2-RR2-Ex1 |
| Signal Type | Analog input |
| Channels | 1 |
| Housing Width | 12.5 mm (type A2) |
| Parameter | Value |
|---|---|
| Safety Integrity Level (SIL) | SIL 2 acc. to IEC/EN 61508 |
| Systematic Capability (SC) | SC 3 |
| Parameter | Value |
|---|---|
| Connection | Power Rail or terminals 9+, 10- |
| Rated Voltage | 19 ... 30 V DC |
| Ripple | within the supply tolerance |
| Rated Current | < 28 mA |
| Power Consumption | 0.35 W (24 V and 1 mA sense current), 0.85 W (30 V and 10 mA sense current) |
| Parameter | Value |
|---|---|
| Connection | terminals 1, 2, 3, 4 |
| Suitable Sensors | Pt100, Pt500, Pt1000, potentiometers |
| Line Fault Detection | yes, at Pt100 |
| Lead Resistance | ≤ 10 % of resistance value |
| Transmission Range | 0 ... 10 mA |
| Available Voltage | 7 V |
| LFD Threshold | < 30 nA |
| Parameter | Value |
|---|---|
| Connection | terminals 5-, 7-, 6+, 8+ |
| Current | 0 ... 10 mA |
| Available Voltage | 0 ... 4.2 V |
| Fault Signal | field voltage < 150 mV or > 4 V, depending on lead disconnected |
| Reverse Polarity Protection | for I < 10 mA or U < 20 V |
| Parameter | Value |
|---|---|
| Accuracy | 0.1 % |
| Deviation | Im ≥ 1 mA: ±0.1 % of Rm or ±0.1 Ω (the larger value is applicable) Im < 1 mA: accuracy reduces in proportion to Im (e.g., Im=0.1mA: ±1% of Rm or 1Ω) |
| Temperature Influence | Im ≥ 1 mA, Rm ≥ 100 Ω: 0.01 %/K in range -20 ... +70 °C |
| Settling Time | ≤ 5 ms |
| Rise Time/Fall Time | ≤ 2 ms (10 ... 90%) |
| Parameter | Value |
|---|---|
| Output/Power Supply | functional insulation, rated insulation voltage 50 V AC |
| Parameter | Value |
|---|---|
| Display Elements | LED |
| Control Elements | DIP switch |
| Configuration | via DIP switches |
| Labeling | space for labeling at the front |
| Parameter | Value |
|---|---|
| EU-Type Examination Certificate | BASEEFA 10 ATEX 0061X |
| Marking | II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I |
| Output Voltage (Uo) | 9.5 V |
| Output Current (Io) | 39.22 mA |
| Output Power (Po) | 93 mW |
| Parameter | Value |
|---|---|
| Certificate | BASEEFA 10 ATEX 0062X |
| Marking | II 3G Ex ec IIC T4 Gc |
| Parameter | Value |
|---|---|
| Ambient Temperature | -40 ... 70 °C (-40 ... 158 °F) |
| Parameter | Value |
|---|---|
| Degree of Protection | IP20 |
| Connection | Screw terminals |
| Mass | approx. 100 g |
| Dimensions (W x H x D) | 12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 inch) |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
The KCD2-RR2-Ex1 is an isolated barrier used for intrinsic safety applications. It transfers resistance values of RTDs (Pt100, Pt500, Pt1000) or potentiometers from hazardous areas to safe areas.
The KCD2-RR2-Ex1 is specifically designed for resistance and temperature signal transfer in hazardous area installations:
| Industry | Application |
|---|---|
| Oil & Gas | Temperature measurement with Pt100 sensors on offshore platforms, refineries, and pipelines in Zone 0/1 areas |
| Chemical Processing | Reactor temperature monitoring, level measurement with potentiometric sensors in explosive atmospheres |
| Pharmaceutical | Sterile processing temperature monitoring, fermenter temperature control with Ex ia protection |
| Power Generation | Bearing temperature monitoring on turbines and generators, stator winding RTD measurement |
| Mining | Certified [Ex ia Ma] I for underground mining equipment requiring intrinsic safety |
| Marine & Offshore | DNV marine approved – temperature monitoring for marine control systems |
Typical field devices connected:
Unlike temperature converters that convert resistance to 4-20 mA, the KCD2-RR2-Ex1 reproduces the actual resistance value at the output. The control system measures the same load as if it were connected directly to the field sensor – no scaling or configuration required.
With 0.1% accuracy and deviation of ±0.1 Ω for Pt100 measurements, the KCD2-RR2-Ex1 delivers the precision required for critical temperature monitoring applications.
The ability to select 2-, 3-, or 4-wire connection techniques allows optimization for any installation – from cost-effective 2-wire to highest-accuracy 4-wire with full lead resistance compensation.
Certified for gas (IIC), dust (IIIC), AND mining (Ma) applications – providing the widest hazardous area coverage available in a single device.
Certified acc. to IEC/EN 61508 with Systematic Capability SC 3, suitable for safety instrumented systems (SIS) requiring reliable temperature monitoring.
Line fault detection (LFD) continuously monitors Pt100 field wiring for open and short conditions, enabling predictive maintenance and reducing unplanned downtime.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Seller,Manufacturer,Trading Company
Year Established:
2013
Total Annual:
2000000-5000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso... Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso...
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