Saklar

Saklar is an electrical component used to open and close an electrical circuit to control devices and lighting. In Indonesian usage, saklar refers to a switch that opens or closes a circuit.

The core mechanism moves conductive contacts to connect or disconnect the circuit, thereby turning a device on or off. Ratings depend on voltage and current; household switches commonly handle tens of amperes at 120 or 230 volts AC, while industrial switches are rated for higher loads. They are designed to interrupt current safely, minimize arcing, and often have insulating housings with protective enclosures and, in some cases, IP ratings for dust and moisture protection. International standards such as IEC 60669-1 specify performance and safety requirements for general-purpose switches.

Saklar come in a variety of configurations. Manual switches include toggle, rocker, push-button, slide, and rotary types, as well as special momentary or maintained variants. Electrical configurations include SPST (single-pole single-throw), SPDT (single-pole double-throw), and DPDT (double-pole double-throw), which determine how contacts are connected when the switch is in a given position. In addition to traditional mechanical types, electronic or smart saklar use wireless communication to operate remotely or automate lighting and appliances.

In usage, saklar are most commonly employed to control lighting in homes and buildings, but they also govern motors, power outlets, and industrial equipment. Safety considerations include proper rating for the circuit, correct wire sizing, secure mounting, and avoiding contact with live parts.