PEPPERL+FUCHS – KFA5-SR2-EX1.W – P.N. 103371S

Description

Key Features & Specifications

1. Model & Function

   • Part Number: 103371S

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

   • Purpose: Converts and isolates signals (e.g., 4–20 mA, 0–10 V) for safe use in hazardous zones (Zone 0/1/2, Zone 20/21/22).

2. Certifications & Safety

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

   • Protection: Galvanic isolation between input/output/power.

   • Approvals: FM, CSA, SIL 2/3 (depending on configuration).

3. Electrical Specifications

   • Input: Accepts 4–20 mA, 0–10 V, or RTD/thermocouple (configurable).

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

   • Power Supply: 24 V DC (typical).

   • Power Consumption: ~1.2 W (varies by model).

4. Environmental & Mechanical

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

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

   • Protection Rating: IP20 (for control cabinets).

5. Applications

   • Process automation in oil & gas, chemical, pharmaceutical.

   • Signal conditioning for sensors/transmitters in explosive atmospheres.