D4NL-1FFG-B4

Snap action, limit switches, such as the D4NL-1FFG-B4, operate according to the principles of contactless switching. By using an actuator, usually a spring-loaded lever, the switch will be opened or closed according to the range of movement detectable by the mechanical arm. Limit switches are most often used in industrial environments, as they help to protect systems from power overloads and wrong programming.

The D4NL-1FFG-B4 is a one-pole/double-throw snap action switch that has a rated voltage of 250V AC/DC and a rated current of 6A AC/DC. It has a mechanical life span of up to 100,000 cycles, and an electrical life of up to 10,000 cycles. Its actuator is pre-wired with a cable and has a 6mm jacket diameter. This makes it ideal for applications where a small size is required for space saving.

In a typical installation, the D4NL-1FFG-B4 is connected to an electrical panel to act as an overload switch. When the circuit exceeds the current rating of the switch, the actuator will snap into the “Off” position, disconnecting the circuit and protecting it from overload. The switch can be connected back to the original panel by pushing the actuator back in the “On” position or by replacing the whole switch.

The limit switch is also commonly used in automation applications, where the switch is used to sense when an actuator has reached the end of its travel. When the actuator comes in contact with the end stop, the limit switch will be triggered and will send a signal to the control system, indicating that the actuator has reached its destination. The limit switch can be wired to a circuit breaker to protect the system from overload or short circuit.

The D4NL-1FFG-B4 is also suitable for temperature, vibration, and mechanical shock applications. Its low-cost, small size, and simple installation makes it a great choice for applications in industrial and automation applications that require contactless switching. Its reliability, durability and ease of use make it an ideal option for protecting equipment from power overloads, incorrect programming, and potential damage from shocks and vibrations.