ABB NFZ40E-21

The ABB NFZ40E-21 is a reliable contactor relay designed for efficient performance with low power consumption. This Type Nfz relay supports a coil voltage range from 24 to 60 VAC at 50/60 Hz or 20 to 60 VDC, making it versatile for various control applications. It features a 4-pole contact configuration and mounts easily on a standard DIN rail, fitting neatly within compact control panels thanks to its 45 mm width, 86 mm height, and 77 mm depth dimensions.

With its robust design, the NFZ40E-21 offers impressive timing precision between coil energization and de-energization cycles, ensuring smooth switching without unwanted chatter. It’s rated for high operating cycles—up to 20 million—which speaks to its durability in demanding industrial environments. The device operates over a broad temperature range from -40 to +70 °C and is housed in an IP20 enclosure, providing reliable protection while maintaining accessibility.

This contactor relay handles various AC and DC currents across different voltages, supporting control circuits with currents up to 6 amps at lower voltages, and it features M3.5 screw terminals compatible with 18 to 14 AWG wiring. The measured power loss is minimal at just 0.1 W, helping to keep energy use in check. Tightening torque for the connections is specified at 1.2 N-m, ensuring secure and stable electrical contacts.

Ideal for automation setups where reliability and precision timing are key, the ABB NFZ40E-21 is a solid choice vetted by industry pros. Distributed by BSP Automation, this relay is a savvy pick for anyone needing a durable and efficient component in their control system lineup. If you’ve heard it called by its alternative number 471523101619, rest assured it’s the same trusty piece of gear. In short, this relay is a real workhorse—ready to keep your operations running smoothly without missing a beat.