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9Variable Busbar Systems Differing switching tasks require individual realization possibilities. Whether simple systems or extensive networks with transverse and longitudinal couplings are involved, SIVACON offers an economical design of high quality. Top busbar system • Top or rear busbar system • Busbar systems for rated currents up to 6300 A • Rated impulse withstand current (lpk) up to 250 kA • Local integration of busbars possible • Two busbar systems can be routed within the switchboard • Transport unit dividing points easily accessible from the front or top • Device compartment can be separated from interconnected busbar • Busbar connections require no maintenance • Busbar systems for corner installation • Additional arc barrier Rear busbar system 24
SIVACON is resistant to internal arcing faults 10 Testing of low voltage switchboards under internal arcing fault conditions is classified as a special test in accordance with IEC 61641 or VDE 0660 Part 500, supplement 2. This test serves to gauge the dangers to which persons might be exposed in the event of an internal arcing fault. By way of the test under internal arcing fault conditions, SIVACON provides evidence of personnel safety in terms of the following assessment criteria as standard: Arc barrier Assessment criteria 1. Doors, covers etc. must not open 2. No parts may fly off 3. No holes may be burnt into the enclosure 4. Indicators must not ignite 5. The protective conductor circuit for touchable parts of the enclosure must still be in working order Additional modules for limiting the effects of the arcing fault inside the switchboard • Restriction to one cubicle (Arc barrier) • Restriction to the function compartment or place of origin • Insulated main busbars (design without base) Arcing fault test Insulated main busbar Device compartment can be separated from interconnected busbars 25
Page 1 and 2: The Variable Low-Voltage Switchboar
Page 3 and 4: Fig. 1 Power Center, Main distribut
Page 5 and 6: SIVACON for All Applications in the
Page 7 and 8: Every circuit-breaker is assigned a
Page 9 and 10: Plug-on bar system, protected again
Page 11 and 12: Size 1 withdrawable unit, 30 kW, wi
Page 13 and 14: All power and control cables are co
Page 15 and 16: Diverse connection possibilities Fu
Page 17 and 18: Capacitor and controller modules fo
Page 19 and 20: Plug-on bus system Lateral guide ra
Page 21 and 22: SIVACON is capable of communication
Page 23: Part-integrating solid wall design
Page 27 and 28: Technical Data at a Glance Standard

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