Indicator Light S 21

The S21 indicator light, featuring a cylindrical round lens with a diameter of 7.4 mm, is a panel-mounted indicator light used in white goods, small household appliances, and heating and ventilation units to indicate the device’s operating status.

Indicator Light S21 is an indicator light with a flat-surfaced round lens and a cylindrical body measuring Ø7.4 mm in diameter, designed to be mounted in a Ø9 mm panel hole. The cylindrical lens, which protrudes from the panel surface, allows the indicator to be visible from the side as well. The body, with a diameter of Ø8.45 mm, is 26 mm long including the lens, and the total length is 38 mm; these dimensions are used as a basis for planning the mounting depth behind the panel. The product is designed to accommodate panel thicknesses ranging from 0.8 to 2 mm.

With operating voltage options of 12 (14) V, 24 (28) V, 110 V, 240 V, and 400 V AC/DC, and temperature ratings of 150 °C, 120 °C, and 90 °C, allowing the product to be used in both low-voltage control circuits and mains-voltage applications. With neon or LED light sources, a PC/PSU housing material, and a wide range of lens colors—including natural, red, yellow, and green—it adapts to various device designs. Connections are made using PVC or silicone cables depending on the application’s temperature conditions; with this design, it is a preferred signal lamp solution for panels in home appliances, small household appliances, heating and ventilation devices, and industrial equipment.

The S21 Indicator Light is designed for devices operating at high temperatures and high voltages, with temperature resistance up to 150 °C and operating voltage options up to 400 V.

The product is designed and tested in accordance with the requirements of relevant safety standards. It features temperature ratings of 150 °C, 120 °C, and 90 °C, voltage options up to 400 V, and a mounting design suitable for panel thicknesses ranging from 0.8 to 2 mm meet the safety criteria required for unattended household appliances and continuously operating industrial equipment.

GENERAL FEATURES
Product Name S21
Category Wired
Panel Size Ø9 mm
Panel Thickness 0.8–2 mm
Voltage 12 (14) V / 24 (28) V / 110 V / 240 V / 400 V (AC / DC)
Temperature 150 °C / 120 °C / 90 °C
Connection Type Cable / Socket
Cable Type PVC / Silicone
Terminal Type None
Light Type Neon / LED
Housing Material PC / PSU
Lens Colors Natural / Red / Yellow / Green (+7)