The 3SB03-PFB11 is a 3-pole, 16A, 24V AC/DC relay from Siemens. It is approved to UL, CSA, and VDE standards and has a high dielectric strength coil with a contact voltage rating of 250V. The contact form is SPST, with a mechanical life of 10 million operations and a coil insulation class H (155°C). This relay is suitable for a wide range of commercial and industrial applications, such as power supply switches, motor controllers, heating and cooling systems, fans, pumps, general purpose switching controls, and more.