DAHUA Emergency Button DH-ARD812
Rated Current: <300 mA
Operating Voltage Range: <250 VDC
Relay Output N.C./ N.O. optional
Dimension: 53.6mmx36mmx27mm
Material: ABS Plastic
Click here to download the datasheet

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Rated Current: <300 mA
Operating Voltage Range: <250 VDC
Relay Output N.C./ N.O. optional
Dimension: 53.6mmx36mmx27mm
Material: ABS Plastic
Rated Current: <300 mA
Operating Voltage Range: <250 VDC
Relay Output N.C./ N.O. optional
Dimension: 53.6mmx36mmx27mm
Material: ABS Plastic
Click here to download the datasheet

| tech brand | DAHUA TECHNOLOGY |
|---|

made from Aluminium, it weighs 0.93kg, perfect for ASF500A/500B.
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Z-bracket and L-bracket set for the ASF500A / ASF500B electromagnetic lock with load capacity of 500 kg.
H.264+/H.264 codec decoding
>Max 80Mbps incoming bandwidth
>Up to 6Mp resolution preview&playback
>HDMI/VGA simultaneous video output
>3D intelligent positioning with PTZ camera
DAHUA Emergency Break Glass Button ASF921 has a Photoelectric control technology to prevent the mechanical failure, Ultra-low temperature design, not only is it more safe, it’s also more durable. It has 500,000 electricity aging test, Built-in reverse current protection circuit in case of high current and it also comes with an in-buit microprocessor chip control circuit.
DH-ARD811 is a Dahua panic alarm, it is an electronic device designed to assist in alerting somebody in emergency situations where a threat to persons or property exists.
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