General-purpose Relays, I/O Relays, Power Relays, Latching Relays, and Ratchet Relays. A relay consists of an electromagnet that receives an electric signal and converts it to a mechanical action and a switch that opens and closes the electric circuit.

Specification: 

• Type: MY4NJ 
• Size: 28*21.5*36mm 
• Bipolar / grade 4 
• Pins: 14
  
• Load current: 5A / 3A 
• Maximum switching current: 5A / 3A 
• Maximum switching capacity: 1100VA-120W, 440VA-48W / 660VA-72W, 176VA-36W 
• Minimum allowable load: 1mA, 5VDC / 1mA, 1VDC