VEGA – VEGATRENN 142 (TRENN142‑0‑0‑1‑3) – 2‑Channel HART Signal Barrier

The VEGA VEGATRENN 142 (TRENN142‑0‑0‑1‑3) is a dual-channel intrinsic-safety isolating barrier engineered for 4–20 mA + HART sensor loops from hazardous areas. It supplies sensors within Ex-rated zones, provides galvanic isolation to safe-area instrumentation, and offers full bidirectional HART support—ideal for safe integration without requiring external power.  

Key Features & Technical Details

• Model: TRENN142‑0‑0‑1‑3 (VEGATRENN 142) — double-channel active isolator

• Sensor I/O: 2 × 4–20 mA/HART loops; supports up to 5 HART multidrop devices per channel  

• Power Supply: Loop-powered from 24–31 V DC (–15 %/+10 %) — no separate 24 V required  

• Output Specs: Active 2 outputs, terminal voltage 16.5–21 V @ 4–20 mA, ≤26 mA short-circuit current; ripple <50 µV RMS  

• HART Transparency: Full bidirectional HART access via front jacks or terminals; passthrough of sensor commands  

• Safety & Certifications: ATEX/IECEx intrinsic safety, SIL 2 rated; IP20 housing; operating –20…+60 °C  

• Mounting: DIN-rail (35×7.5 mm) with detachable coded screw terminals; compact form (~113 × 52 × 20 mm)  

• Indicators & Design: Front LEDs for power/fault; hinged front cover for HART jacks