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S4A021S4A021 Automatic Door Wireless Mini Infrared Sensor
The S4A021 is a high-performance wireless active infrared sensor set designed for automatic door systems. Powered by a standard 6F22 9V battery and operating on a 433.92MHz transmission frequency with up to 10m wireless range, it offers clean, cable-free installation without complex wiring. Featuring an adjustable detection angle (0°–25°), selectable NO/NC relay output, and universal 12-24V AC/DC receiver power input, it provides reliable and responsive door activation for commercial and residential entrances.
Parameter
Specification
Model
S4A021
Sensor Type
Wireless Mini Infrared Sensor
Technology
Active Infrared Scanning
Battery Specification (Sensor)
6F22 9V
Transmission Frequency
433.92MHz (Optional) / 315MHz
Wireless Transmit Distance
10m (Up to 15m)
Mounting Height
Max 2.6m
Adjustable Angle
Far or near 0° ~ 25°
Relay Output
NO / NC (Normally Open / Normally Closed)
Power Input (Receiver)
AC/DC 12~24V (Support 12V~36V)
Scanning Area
100 x 80 mm
Maximum Sensing Distance
1000 mm
Standby Current
<80 μA
Dynamic Current
13 mA / 80 mA
Contact Rating / Capacity
20A DC 14V
Outer Covering Material
ABS Plastic
Dimensions (L*W*H)
63 x 57 x 52 mm / 123 x 50 x 32 mm
Available Colors
Black
Application Scope
Hotels, Buildings, Offices, Malls, Hospitals, Warehouses, Corridors