Afriso – NB 220 H – Overfill Prevention Transducer, WHG-Approved, 24 V DC

The Afriso NB H is a level detection transducer designed for overfill prevention in tanks storing flammable or non-flammable liquids. It connects to a compatible PTC sensor and trips a relay when a high-level condition is detected. WHG-approved for environmental compliance, it features a DIN-rail housing with LED indicators and supports direct integration into industrial control systems.

Key Features:

• Model: NB H

• Function: Overfill prevention with thermal sensor input

• Sensor Type: PTC (e.g., Afriso or Fafnir Type )

• Supply Voltage:  V DC

• Relay Output: SPDT,  V AC /  A max

• Indication: Green LED (power), Yellow LED (relay status)

• Housing: DIN-rail mountable, IP

• Dimensions: × × mm

• Operating Temperature: – °C to + °C

• Certifications: WHG (Z‑.‑) compliant

• Application: Suitable for liquids with flash point > °C