12kv 630A Three-Position Load break Switch

Model NO.: MYC-12/630-25

Type: Low-voltage

Structure: Three-column Disconnector

Installation: Indoor High-voltage

Operation: Pneumatic

Grounding Mode: Not Grounding

Movement Mode: Vertical Rotary Type

Number of Poles: Three Pole

Grounding: Un Grounded

Series: Three

Run: Vertical Rotation

Switching Mode: Double-Throw Type

Structure of Operating: Pneumatic

Certification: ISO, GS, IS9001

Maximum Temperature: +50ºC

Trademark: MURGE

Transport Package: by Sea/Air

Origin: China

Product Detail

Product Detail:

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)