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Bus expander is used for powering and connecting up to 16 detectors with contact outputs. It is possible to install the module straight into the JA-106K control panel.

Technical specifications
- Power: 12 V (9 … 15 V)
- Current consumption (all outputs turned on): 25 mA
- Caution: the consumptions of the detectors connected to the +U and GND terminals have to be added to the system power backup calculation.
- Maximum acceptable load of one output from +U and GND: 100mA
- Maximum acceptable load of all outputs from +U GND: 4 x 100mA
- Dimensions: 102 x 66 x 20 mm
- Classification: Grade II
- according to: EN 50131-1, EN 50131-3
- Operational environment according to: EN 50131-1 II. Indoor general
- Operating temperature range: -10 to +40 °C
- Also complies with EN 50130-4, EN 55022