PEPPERL+FUCHS – KFD2-STC4-EX2 – P.N. 132952

Description

Key Features & Specifications

1. Model & Function

   • Part Number: 132952

   • Type: Signal isolator/barrier with Ex-i (intrinsic safety) protection.

   • Purpose: Isolates and converts signals (e.g., 4–20 mA, RTD, thermocouple) for use in hazardous zones (Zone 1/21).

2. Certifications & Safety

   • ATEX/IECEx: Certified for Ex ia IIC (gas) and Ex ia IIIC (dust).

   • Protection: Galvanic isolation (input/output/power).

   • Approvals: FM, CSA, SIL 2/3 compliant.

3. Electrical Specifications

   • Input: Supports RTD (Pt100, Ni100), thermocouples (J, K, S, etc.), or 4–20 mA.

   • Output: 4–20 mA or 0–10 V (isolated).

   • Power Supply: 20–30 V DC (typically 24 V).

   • Accuracy: ±0.1% of span (for RTD/thermocouple inputs).

4. Environmental & Mechanical

   • Operating Temperature: -20°C to +60°C (-4°F to +140°F).

   • Housing: Compact, DIN-rail mountable (width: 12.5 mm).

   • Protection Rating: IP20 (for control panels).

5. Applications

   • Temperature monitoring in oil & gas, chemical, power plants.

   • Signal isolation for RTD/thermocouples in explosive atmospheres.

Configuration & Wiring

• DIP Switches: Configurable for input type (RTD, TC, mA) and range.

• Terminals: Spring-clamp or screw terminals (varies by variant).

• LED Indicators: Power, fault, and signal status.

SMART Transmitter Power Supply 2-channel isolated barrier, 24 V DC supply (Power Rail), Input 2-wire SMART transmitters, Output 0/4 mA … 20 mA, Terminals with test points, Up to SIL 2 acc. to IEC/EN 61508, Housing width: 20 mm, Number of channels: 2-channel, HART communication, Test sockets, Safety Integrity Level (SIL): SIL 2, Rated voltage: 20 … 35 V DC, Field device: 2-wire transmitter, Signal: 0/4 … 20 mA, Signal: 2 x 0/4 … 20 mA (current source)