This IDEC RH4B-U Relay AC120V 50/60Hz 51901C is a reliable and efficient electrical equipment that is perfect for industrial purposes. It is manufactured in Japan by IDEC, a trusted brand that is known for producing high-quality electrical equipment and supplies. This relay is designed to work with AC current type and it comes in a pack of one. The relay is ideal for use in various industries, including business and industrial settings. It is suitable for general purpose relays and relays, making it a versatile option for electrical equipment needs. With its durable construction and reliable performance, this IDEC RH4B-U Relay AC120V 50/60Hz 51901C is a great investment for anyone who is looking for a high-quality electrical equipment that is built to last.