This industrial-grade electromagnetic relay series offers versatile switching solutions with multiple contact configurations. Available in HH52P (2NO+2NC), HH53P (3NO+3NC), and HH54P (4NO+4NC) models, these relays feature high-performance silver alloy contacts supporting up to 5A at 250VAC switching capacity. The durable, frosted PC housing provides excellent protection in industrial environments, while the transparent window allows easy monitoring of the coil status through color-coded indicators - red for AC and green for DC. The practical plug-in design with 8, 11, or 14 pins (depending on model) enables quick installation and replacement. Each relay includes a pure copper coil for reliable operation and comes with a detachable socket base for simplified maintenance. The compact dimensions (approximately 2.7 x 0.9 x 1.4 inches) make it ideal for various industrial control applications where space efficiency and reliable switching are essential.