VEGA – VEGATRENN 152 – 2-Channel Isolating Barrier, Ex‑Rated 4–20 mA HART
The VEGATRENN 152 (TRENN152.A0XXKBX) is a two-channel galvanic isolator used to separate intrinsically safe (Ex-area) 4–20 mA HART sensor loops from non‑safe instrumentation circuits. Loop-powered and passive on the output side, it supports bidirectional HART communication without external power, making it ideal for process control in hazardous locations (ATEX Zone 0/1).
Key Features & Technical Specifications:
Model: VEGATRENN 152 (TRENN152.A0XXKBX) – double‑channel passive isolating barrier
Input/Output: 2 x 4–20 mA HART lines, supports up to 5 HART multidrop devices per channel
Power: Loop-powered (15–35 V DC) – no external power required
Loop Voltage: ≥16 V at 4–20 mA (≤5 V drop at 20 mA with 15 V supply)
HART: Fully transparent bidirectional HART signal access via front jacks or terminals
Mounting & Connections: DIN-rail (35×7.5 mm) with coded, removable screw terminals; IP20 housing
Operating Condition: –20 °C to +60 °C; SIL 2 safety rating; approvals: ATEX, IEC, CSA, EAC, NEPSI, UKCA
Ripple & Isolation: Output ripple < 40 µA RMS; input ripple < 20 mV RMS; galvanic separation between channels and output side