JS1AF-B-12V is a miniature cubic type power relay designed for high contact capacity switching applications. It features a 1 Form A (SPST-NO) contact arrangement with a 12V DC nominal coil voltage, 30 mA nominal operating current, and 400O coil resistance. The relay offers flux-resistant protective construction with Class B coil insulation and provides a contact capacity of 10A at 125V AC or 5A at 30V DC. With VDE and TÜV approvals, this relay is suitable for home appliances such as air conditioners and heaters, office machines, and vending machines where reliable switching performance is required.