IEC 61347-2-10 Testing
Lamp controlgear – Part 2-10: electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps (neon tubes)
IEC 61347-2-10 Scope:
IEC 61347 2 10 and EN 61347 2 10 testing specifies particular requirements for electronic invertors and convertors for high-frequency operation of tubular cold-cathode discharge lamps used in signs and luminous discharge tube installations and operating with an output voltage exceeding 1000 V but not exceeding 10 000 V for direct connection to supply voltages not exceeding 1000 V at 50 Hz or 60 Hz or 1000 V D.C.
NOTE 1: In Japan, the output voltage of 15 000 V is acceptable. The requirements for two types of invertors and convertors, types A and B, are specified as follows:
- Type A unit: an invertor or convertor operating within the frequency range 20 kHz to 50 kHz, and having an output voltage (between terminals) not exceeding 5 000 V peak, a maximum output current limited to 35 mA (r.m.s.) and 50 mA (peak value). The supply voltage does not exceed 250 V at 50 Hz or 60 Hz or 250 V D.C.
NOTE 2: The output current of a type A unit may be considered as not presenting an electric shock hazard due to the limits on the current and frequency range.
NOTE 3: In Japan, the output voltage of 15 000 V is acceptable.
- Type B unit: an invertor or convertor having a no-load output voltage not exceeding 5 000 V to earth or 10 000 V between terminals, operating within the frequency range 10 kHz to 100 kHz with a maximum output current limited to 200 mA (r.m.s.) and 400 mA (peak value).
NOTE 4: Type B units require additional protection in the output circuit.
NOTE 5: In Japan, a type B unit exceeding 50 mA and/or the secondary grounded is not acceptable.
In order to check the safety of invertors or convertors, it is necessary to check their performance. However, since no standardization of the characteristics of neon tubes exists, reference loads are specified in this standard to ensure reproducible test results. The rated maximum operating temperature of the winding is not applicable to this standard.
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IEC 61347-1 General requirements
IEC 61347-2-1 Starting devices (other than glow starters)
IEC 61347-2-2 D.C. or A.C. supplied electronic step-down convertors for filament lamps
IEC 61347-2-3 A.C. and/or D.C. supplied electronic control gear for fluorescent lamps
IEC 61347-2-7 Battery supplied electronic controlgear for emergency lighting (self-contained)
IEC 61347-2-8 Ballasts for fluorescent lamps
IEC 61347-2-9 Electromagnetic controlgear for discharge lamps (excluding fluorescent lamps)
IEC 61347-2-11 Miscellaneous electronic circuits used with luminaires
IEC 61347-2-12 D.C. or A.C. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)
IEC 61347-2-13 D.C. or A.C. supplied electronic controlgear for LED modules