The D4NS-1CF is a type of relay manufactured by Omron. It is a four-pole, single-contact, non-latching relay. It is designed for the control of electrical circuits in a wide range of applications, including industrial automation, home automation, and automotive systems. It has a rated voltage of 30V DC and a maximum current of 10A. You can also purchase versions with contacts for 12V DC and 24V DC. The D4NS-1CF has a wide range of features such as low power consumption, fast switching, and a high level of reliability. This makes it an ideal choice for a variety of applications.