Siemens electronic unit with indirect alarm activation, two-color LED and built-in line separator. Immediately operational to installation in the fire loop, with the following features:
Power supply: 12 - 33V DC
Quiescent current: 200 μA
Led type: bicolor (alarm/test)
Line Separator: Integrated
Connections: 0.28 to 1.5 sq. mm terminals
Number of addresses: 1
Mounting: Recessed in button or external module
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The Siemens FDME223 electronic unit is designed for fire safety systems with indirect alarm activation, ideal for systems requiring remote signaling and centralized control. Compact and reliable, it has built-in line separators that ensure system operation even in the event of loop failures.
The presence of an internal two-color Led allows the unit's status to be displayed immediately:
Color 1: indicates alarm condition
Color 2: indicates test or diagnosis mode.
This facilitates quick maintenance and inspection of the device, even without disassembly.
Operational immediately after connection to the loop, making it compatible with line tests and alarm simulations as early as the installation phase. This feature reduces the time and cost of on-site testing.
Professional and industrial fire protection systems
Fire detection systems with centralized implementation
Installations in public buildings, hospitals, schools, hotels
Projects requiring indirect activation via central control panels
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