Folinv 12/3

Product catalog summary

Theory of Operation:
The FOLINV 12/3 device uses a Hartley oscillator to generate the driving voltage for electroluminescent (EL) lamps. The oscillator's frequency is determined by the transformer's output inductance and the EL lamp's capacity. The device automatically limits the output voltage to approximately 115V to accommodate EL lamps ranging from DIN A5 to DIN A3 sizes, maintaining a nearly constant voltage amplitude. In idle operation, the output voltage is minimized.

Technical Data:

Input Voltage: 12V (range 10-15V)
Current Consumption: 750-850mA
Output Voltage: 100-115V AC
Output Frequency: 480-520Hz
Dimensions: 74 x 48 x 47 mm
Weight: 330g

Features:

Supports EL lamps from DIN A5 to DIN A3 sizes
Sinusoidal output voltage shape
Galvanic isolation between input and output
Output voltage limited to about 115V
Safe idle operation with current consumption around 50mA
Short circuit protection
Connectors: Screw-clamps for litz-wire
Version 12/3-2K includes an integrated flashing function with alternating two channels

Additional Information:
Contact details for BMR GmbH are provided for further inquiries. The document notes that technical specifications are subject to change.

Catalog excerpts

FOLINV 12/3 Technical Data Theorie of Operation: The driving voltage for the el-lamps is generated with a so called hartley-oscillator. It is formed by the output inductance of the transformer and the capacity of the el-lamp, this determines the oscillating frequency of this device. When running small size el-lamps the increase of the output voltage is prevented by the limitation at about 115V automatically. This makes operation of el-lamps from size of DIN A5 up to DIN A3 possible with nearly constant voltage amplitude. In case of idle operation the output voltage is shut down to minimum. ....

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Technical Data

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FOLINV 12/3 Technical Data e-mail: [email protected] Internet: www.bmr-gmbh.de Subject to technical alterations. Ausgabe : 31.01.2012

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