Phoenix Contact 2906988

This miniature power relay is designed for reliable operation in demanding environments. The model REL-MR-12DC/21-21/C1D2 includes RT III sealing for enhanced durability and features two changeover contacts. With an input voltage specification of 12 V DC, it operates effectively within an input voltage range of 9.4 V DC to 29.8 V DC.

The relay is constructed to comply with ATEX/IECEx standards for use in zone 2 and Ex zone class I, division 2 areas. It demonstrates a mechanical service life of up to 30 million cycles and an electrical service life specified in accompanying diagrams. The relay is capable of handling a maximum switching voltage of 250 V AC/DC and supports a maximum continuous current of 8 A.

Other key specifications include a typical input current of 33 mA at nominal input voltage and typical response and release times of 7 ms and 3 ms, respectively. This device is non-polarized and features a coil resistance of 360 Ω ±10 % at 20 °C. The relay's ambient temperature range for operation and storage spans from -40 °C to 85 °C, making it suitable for various industrial applications.