Operating Environment


The Keycafe MS3 series SmartBox is designed to be robust and last for a long time with minimal maintenance provided the operating guidelines are followed. The system is constructed from cold rolled steel and A383 aluminum which are commonly used in automotive and aerospace applications. It is weather-resistant but should not be placed out in the open, exposed to direct rain or snow.

Input power: 100V to 240V AC

Output power: 12V DC with 2600 mAh Li-ion battery backup

Operating temperature: -20° to 60°C (-4° to 140°F)

Relative humidity: 0% to 95% non-condensing

For full details on the SmartBox models, see SmartBox Specifications.

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