ZIBOO SICK WLL160-F420 4-Pin 10-30 V DC Fiber Optic Switch

Industrial fibre-optic switch for 10-30 V DC systems

The ZIBOO SICK WLL160-F420 is a four-pin fibre-optic switch designed for industrial control circuits operating between 10 V DC and 30 V DC. It suits automation engineers and maintenance technicians who need reliable optical signalling in electrically noisy environments. The red housing aids quick visual identification inside cabinets or on machine frames. This unit is sold new as a single item in a box.

Straightforward DIN-rail

Installation follows standard four-pin DC practice: connect the supply within the 10-30 V DC range and the two signal pins to the fibre-optic transmitter and receiver. No specialised tools are required beyond a screwdriver and wire strippers. The most common issue is reversing the polarity on the power pins, which prevents operation but does not damage the device. Ensure the fibre connectors are fully seated to avoid intermittent loss of signal.

Verify supply voltage and pinout before ordering

Confirm that your control system provides a stable DC voltage between 10 V and 30 V and that the four-pin connector matches the switch pin assignment. The switch is not suitable for AC supplies or voltages outside the stated range. Buyers who need a different pin count, an AC-rated switch or integrated diagnostics should look for an alternative model.