The SJFD-1000 switchgear controller is for the intelligent control of switches at the demarcation points of the line. It has many functions, such as, quick-break, three-section overcurrent, zero sequence protection, and reclosure. The controller electronically connects with the switches through control cable and aviation connector, so that it can achieve protection and automatic monitoring. This product is widely used for 35kV power distribution network in both urban and country areas.
Working environment
1. Altitude: ≤ 2000 m
2. Temperature
Temperature range: -40℃～+80℃
Maximum yearly average temperature: 20℃
Maximum daily average temperature: 30℃
Maximum daily temperature difference: 25℃
3. Seismic capacity: Three sine wave produced jointly by 0.3g horizontal acceleration and 0.15g vertical acceleration.
4. Security coefficient: 1.67
5. Neutral point earthing mode: (1) not earthed; (2) earthed through arc quenching coil; (3) earthed through low-resistance.
Note:
Please read this specification before using the SJFD-1000 switchgear controller. We will not be responsible for the failure of the product caused by operations against the specification.
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