China Wholesale Earthing switch operation mechanism interlock device Supplier – YFRM6-12 Combined Fully Enclosed GIS – Timetric

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China Wholesale Earthing switch operation mechanism interlock device Supplier – YFRM6-12 Combined Fully Enclosed GIS – Timetric Detail:

General

YFRM6-12 type inflatable switchgear is a completely sealed system while all live parts and switches are installed in a stainless steel shell. The entire switchgear will not be influenced by surroundings, ensuring operational reliability and personal safety, and maintenance-free operation.By combining expandable busbars, any combination can be achieved to realize full modularity. For extended busbar safety insulation and shielding, it is highly reliable and safe. The YFRM6-12 inflatable switchgear can also provide TV-based automation solutions, forming the concept of intelligent switches and minimizing on-site installation and commissioning.

YFRM6-12 ype inflatable swichgear is divided into non-extended standard configuration and extensible standard configuration.It has extremely exceptional flexibility due to the combination of full and half modules and its own scalability. lt has a long life for over 30 years operated under 20 ℃ indoor condition.

Modular design

YFRM is a modular design. The basic module units are load switch modules, combined electrical modules and other special function modules. Any combination of these modules formeda common box structure. In the combination, any function is approximately the same as the internal structure of the basic module.

Normal use condition

I is applicable in the place with high and lowtemperature(-40℃-+40℃), humidity and salt. I can also be used in mine and the place wih high litude. Short term water in 24 hours does not affect the use. Note: If higher altitude, please specify the altiude.

Product standard

● International standard

IEC60056、IEC60298、IEC60129、IEC60420、IEC60265、IEC60694 etc.

● Chinese standard

GB3804、GB3906、GB11022 etc.

Flexible outlet and expansion

All modules of YERM can realize side outlet and side expansion or connection and top extension connection according to users’ requirements. which can meet the needs of power supply scheme to the utmost extent.

Main technical specification

Item	Unit	C module	F module		V module Disconnect/ Earthing switch	CB module
Item	Unit	Load switch	Combination appliance	Vacuum switch	V module Disconnect/ Earthing switch	Vacuum drcuit breaker	Disconnect/ Earthing switch
Rated voltage	KV	12/24	12/24	12/24	12/24	12/24	12/24
Power frequency withstand vohage	KV	45/50	42/50	42/50	42/50	42/50	42/50
lightning impulse withstand vohoge	KV	95/125	95/125	95/125	95/125	95/125	95/125
Rated current	A	630/630	Note^B	630/630		1250/630
Closed loop breaking current	A	630/630
Cable charging breaking current	A	135/135
5% Rated active food breaking current	A	31.5/-
Earthing fault breaking current	A	200/150
Breaking current of cable charging	A	115/87
during earthing fault	M	115/87
Short drcuit breaking current	KA		Note²	20/16		25/20
Ability of closing and opening	KA	63/52.5	Note®	50/40	50/40	63/50	63/50
Short-time withstand current 2s	KA	25/-
Short-time withstand current 3s	KA	-/21		20/16	20/16	25/20	25/20
Mechanical life	Time	5000	3000	5000	2000	5000	5000

Note： 1) Depends on the cunent rating of the fuse； 2) Limited by high voltage fuses.

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