Vacuum Circuit-Breaker Type 2 - Siemens 8DJH Installation And Operating Instructions Manual
Medium-voltage switchgear
Hide thumbs
Also See for 8DJH:
- Installation and operating instructions manual (174 pages) ,
- Operator's manual (2 pages) ,
- Installation and operating instructions manual (129 pages)
Table of Contents
Features
Operating function
Fig. 8:
Front operating mechanism box of circuit-breaker panel
type 2
500-8067.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • Revision 05
7.2
Vacuum circuit-breaker type 2
• Vacuum circuit-breaker for rated voltages from 7.2 kV to 24 kV
• According to IEC/EN 62271-100 / VDE 0671-100
• Climate-independent vacuum interrupter poles in the gas-filled switchgear vessel
• Application in hermetically welded switchgear vessel in conformity with the system
• Operating mechanism located outside the switchgear vessel in the front operating
mechanism box
• Maintenance-free according to IEC/EN 62 271-1 / VDE 0671-1
The vacuum circuit-breaker consists of a vacuum interrupter unit with integrated three-
position disconnector located in the switchgear vessel, and the associated operating
mechanisms.
The vacuum circuit-breaker is a circuit-breaker without automatic reclosing.
The closing and opening spring is charged by means of the operating lever supplied, or by the
motor (option), until the latching of the closing/opening spring is indicated ("spring charged"
indication). Then, the vacuum circuit-breaker can be closed manually or electrically (option).
①
Ready-for-service indicator
②
Motor for three-position disconnector (option)
③
Actuating opening for CLOSING/OPENING, three-position
disconnector
④
Control gate / locking device for three-position disconnector
⑤
Position indicator for three-position disconnector
⑥
Actuating opening for EARTHING, three-position disconnector
⑦
Sockets for capacitive voltage detecting system
⑧
Motor for circuit-breaker (option)
⑨
Control gate / locking device for circuit-breaker
⑩
Position indicator for circuit-breaker
⑪
OFF pushbutton for circuit-breaker (mechanical operation)
⑫
Actuating opening for "spring charging" (circuit-breaker)
⑬
"Spring charged" indicator
⑭
ON pushbutton for circuit-breaker (mechanical operation)
⑮
Auxiliary switch at the three-position disconnector (option)
⑯
Auxiliary switch at the circuit-breaker (option)
Description
13/121
Table of Contents
