The S9 shunt trip device (hereinafter referred to as the tripper) is mainly used for matching with NB1 or NBH8 series circuit breakers, and is suitable for long-distance shunt tripping operation in lines with AC 50Hz (or 60Hz) rated voltage to 400V.
Meets the standard: IEC60947-5-1, obtained CE certification.
3.1 Basic Parameters
3.1.1 Rated insulation voltage (Ui): 500V;
3.1.2 Rated working current at different rated working voltages:
| Rated Operating Voltage (V) | Rated Operating Current(A) | | 400 AC | 3 | | 230 AC | 6 | | 48 AC/DC | 3 | | 24 AC/DC | 6 | | 12 AC/DC | 6 |
3.2 Main performance indicators:
3.2.1 Action characteristics: At 70%-110% of the rated control power supply voltage, the tripper should act reliably to disconnect the circuit breaker.
The wiring principle of the tripper is shown in Figure 1.
When the tripper is opened, the C2 and 12 terminals are turned on, and the external safety signal light is on;
When the tripper is closed, the C2 and 14 terminals are turned on, and the external warning signal light is on;
When the tripper is closed, when the external button is turned on, the mechanism of the tripper trips and drives the circuit breaker to trip and break.
At the same time, the tripper indicator displays a trip mark.
3.2.2 Mechanical life: The operating life of the tripper shall not be less than 4000 times.
This article introduces the CHINT/CHINT S9 sub-excitation tripper if you are interested, please also contact our customer service, we are looking forward to your call, hope our technology and service can bring you a better experience.
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