On-Load Switch Interrupteur
27 Feb 2012

On-Load Switch Interrupteur

IM6 Switches use sulphur hexafluoride gas (SF6) for insulation and breaking.
The active parts are placed in an insulating enclosure in accordance with the IEC standards for sealed pressure systems.
IM6 products offer remarkable characteristics:-Long service life- Maintenance-free active parts- Operating safety – Very low over-voltage level

The on-load switches of IM6 series are employed the realization of the medium voltage switchboard, System-6 type that is composed by a standarized, modular and compact series of protected and internally arc-proofed panels. Complex switchboard configurations can be realized using the standard panels.
Each panel is equipped with mechanical interlocks and a movable mimic diagram, which grant the maximum safety of operation.
Arc-proof execution allows to employ these panels even in extreme conditions.
System-6 switchboard complies to the following Standards:
CEI EN-62271-200-DPR547

KS Operating mechanism
STANDARD Manual operating mechanism dead point passing.
Line switch:
The necessary enerty to operate is obtained, using a proper operating lever, compressing a spring, which passing the dead point releases the energy closing the switch.
The rotation of the lever in the opposite direction recharges the spring, which repassing the dead point releases the energy opening the switch. Consequently the speeds of operations are independent from the operator.
Earth switch:
The operation is the same of the line switch.
KS-M Operating mechanism
STANDARD Motorized operating mechanism dead point passing.
Line switch:
Functioning concept is the same as the manual KS operating mechanism, it can be operate both
manually, and remotely by means of a motor.
The motor operating time to chance the status of switch is lower than 7 second.
Earth switch:
The operation is the same as described for KS operating mechanism.

Test report:
IM6 switches have positively passed, in official laboratories, all type tests according to international
Standard IEC and GOST.
Correspondence standard:
- IEC 62271-102
- IEC 62271-105
- IEC 265.1
Quality system:
The control system quality assures that the entire process of production maintains qualitatively
high and constant level. Before the supply, every switchboard is subordinate in factory to
meticulous tests and controls, mechanical type and electrical worker, included the tests of
previewed acceptance from above mentioned Standard IEC.

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