China Wholesale 12kv Load Break Switch – 12kv 630A Three-Position Load break Switch – Timetric

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With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for Fixed Contact Static Contact For Vacuum Circuit Breaker, Indoor & Outdoor Vacuum Circuit Breaker, 40.5kv Outdoor Vacuum Circuit Breaker, Only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment.

China Wholesale 12kv Load Break Switch – 12kv 630A Three-Position Load break Switch – Timetric Detail:

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Technical Parameters 12KV
Content	Unit	Parameter
Rated Voltage	KV	12
Rated frequency	HZ	50
Rated currency	A	630
Rated short circuit withstand current	KA	20/25
Rated peak withstand current	KA	63
Rated short circuit duration	s	2
Rated short circuit cloing current	KA	63
Mechnicial life	Time	10000
Open triphase dissimilar	ms	≤2
Closing triphase dissimilar	ms	≤2
Opening average speed	mis	3-6
Closing average speed	m/s	4-6
Air working step pressure fracture: 22KV -28KV/1min
The primary loop resistance: A phase B phase C phase(load switch circuit resistance ≤40μΩ)
Grounding resistance: A phase B phase C phase (grounding resistance load switch ≤500μΩ)

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