Data Sheet

UCTRONICS Ultimate Starter Leaning Kit for Raspberry Pi #K0064
21 www.uctronics.com
3.16 Relay
A relay is an electrically operated switch. It is generally used in automatic control circuit.
Actually, it is an "automatic switch" which uses low current to control high current. It plays a
role of automatic regulation, security protection and circuit switch.
3.16.1 Specification
 Coil voltage: 5V
 Coil resistance: 70~80ohm
 Pull current: 43~46mA
 Release current: 15~18mA
 Coil pin: 3,5
 Normally open contact: 24
 Normally closed contact: 14
3.16.2 Pin Definition: