ABB HESG112799R1 216GA62 / N221 Tripping Auxiliary Relay Assembly

Product Description

• The ABB 216GA62 / N221 (HESG112799R1) is a tripping auxiliary relay assembly designed for use in ABB protection systems.

• Provides up to 8 potential‑free tripping contacts for reliable isolation and fast operation.

• Supports surge circuits for high-speed tripping and economy circuits to reduce coil power after activation.

• Optional diode-matrix logic can be installed for direct coupling with external signals and enhanced protection schemes.

• Integrates into ABB protection racks and works with other modules for trip-circuit supervision.

• Rugged design ensures durable and repeatable switching performance in industrial environments.

Technical Specifications

• Model / Part Number: 216GA62 / N221, HESG112799R1

• Type: Tripping auxiliary relay assembly

• Number of Relays / Contacts: Up to 8 potential-free relays (K1…K8)

• Surge / Economy Circuits:

• Surge circuit for fast trip activation

• Economy circuit to reduce coil power after trip

• Diode-Matrix Logic: Optional for enhanced protection logic

• Coil Voltage: 12 V DC (typical)

• Isolation / Electrical Ratings: Potential-free contacts with galvanic isolation

• Operating Temperature Range: –25 °C to +55 °C

• Mounting / Form Factor: Plug-in assembly for ABB rack system

• Weight: 0.50 kg

• Contacts Supervision: Works with other modules for trip-circuit monitoring

• Safety / Compliance: Industrial-grade relay protection standards