These operating instructions apply to high-voltage circuit-breakers with the serial numbers given on the title page. They are intended to familiarize operating personnel with the design and functioning of the circuit-breaker. They also supply details of operation and provide information on installation and maintenance.
ll values of pressure given are gauge values unless absolute pressure is expressly stated.
It is advisable for the operating personnel to familiarize themselves as early as possible with the instructions, and with the aid of other documents supplied to gather any relevant further information on the circuit-breaker and its features.
Reference : siemens