This twopiece relay set includes HK3FFDC12VSHG and HK3FFDC5VSHG relays, sized as HK3FFDC12VSHG. The kit provides DC coil operation with two coil voltages in a compact form factor, and is suitable for switching DC loads such as 24VDC circuits. Key benefits Dualrelay package: Two relays in one kit for convenient integration and streamlined procurement. DC coil options: One relay with a 12V DC coil and one with a 5V DC coil, enabling flexible control from different signal sources. 24VDC load switching: Designed to switch DC loads, including 24VDC applications, enhancing compatibility with common automation and control systems. Compact form factor: HK3FFsize package suitable for PCB mounting and tight panel enclosures, helping save space in compact designs. Coiltocontact isolation: Provides electrical separation between control signals and load circuits for safer and more reliable operation. Reliable switching: Built for repeated DC switching with consistent performance in everyday automation and control tasks. Easy integration: Standardized relay design supports straightforward wiring and integration with common control electronics. Key attributes Functionality: DC coil relays that enable electrical isolation and switching of DC loads. Compatibility: Includes one HK3FFDC12VSHG (12V DC coil) and one HK3FFDC5VSHG (5V DC coil); suitable for 24VDC circuit switching. Size: HK3FFDC12VSHG sized, part of the HK3FF family. Material: Constructed as standard relays with coil and contact assemblies designed for general DC switching (no exotic materials specified). Performance: Designed for reliable DC switching with two coil options to match common control signals. Use cases Control a 24VDC solenoid or small motor in an automation panel using the 12V coil relay, with control signals provided by a 12V logic source. Prototype or implement a 24VDC lighting or actuation circuit controlled by a 5V logic interface using the 5V coil relay. Build a compact control module that requires two independent DC switching channels, one driven by 12V logic and the other by 5V logic, within a single HK3FFsize package. This description preserves the product's brand alignment, model references, and stated features while presenting clear, readerfriendly information on benefits, attributes, and practical applications.