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Power supply unit for 4+n audio systems with both traditional and electronic call function. The power supply unit handles 2 inputs or one input and intercom service in automatic switching. It is equipped with protection in case of short circuit, 2 differentiated and enhanced call generators to call 4 electronic door phones in parallel without adding any additional device and 3 switches to allow switching between services and ensure conversation privacy.
Product specification:
– Power supply 230Vac 50/60Hz
– Transformer power: 28 VA
– Relay contact range: 12Vac 2A
– Dimensions: (L x H x D) 108 x 61 x 90 mm (6 DIN modules)
PDF Manual 1
