SYSclad 12-17,5kv

SYSclad MV switchboard is composed by a standardized and modular series of panels metal-clad type (LSC2B-PM), with air insulated busbar system.

The panels are equipped with withdrawable WL-r series vacuum circuit breakers.

Each panel and circuit is equipped with necessary mechanical interlocks to ensure maximum safety of the operator.

All the functional units of the switchgear are separated, to guarantee the internal arc withstand according to IEC 62271-200 standards.

Description

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Main electrical characteristics

Rated voltage	kV	12	17,5	24
Rated power-frequency withstand voltage 50Hz 1min	kV (r.m.s.)	28	38	50
Rated lightning impulse withstand voltage	kV (peak)	75	95	125
Rated frequency	Hz	50-60
Rated current main bus bars up to	A	3150		2500
Rated current functional units	A	630 1250 1600 2000 2500 3150		630 1250 1600 2000 2500
Short-time withstand current	kA	25 – 3s 31,5 – 3s 40 – 3s *		25 – 3s 31,5 – 3s **
Peak value	kA	62,5 80 100 *		62,5 80 **
Withstand internal arc	kA	25 – 3s
Protection degree internal / external	IP	2X / 4X

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