ABB NF40E13

The Contactor Relay 4NO 100-250V 50/60Hz DC is designed for switching auxiliary and control circuits effectively. This unit accommodates a wide range of control voltages, spanning from 24V to 500V at 50/60Hz or 20V to 500V DC, enabling global applicability without the need for coil changes. The relay includes integrated surge protection, eliminating the necessity for additional suppressors.

With 4 normally open contacts and a maximum operational current of 16A at 40°C, it adheres to several standards including IEC/EN 60947-1 and UL 508. The relay's compact dimensions of 45mm in width, 77mm in depth, and 86mm in height facilitate easy installation on a DIN rail. It operates optimally in environments with ambient temperatures ranging from -40°C to 70°C and can withstand altitudes of up to 3000 meters without derating.

This product's surge withstand capabilities are rated at 6 kV, ensuring reliability under various electrical conditions. Additionally, it supports a maximum electrical switching frequency of 1200 cycles per hour for AC operations and 900 cycles per hour for DC operations, providing flexibility for diverse applications. For detailed installation guidance, reference the installation instructions AF(C)09...38(Z)(B) and additional manuals available in the technical documentation.