NXAC-40.5Metal-clad Withdrawable High-Voltage Switchgear

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NXAC-40.5Metal-clad Withdrawable High-Voltage Switchgear
Posting date : Oct 31, 2011
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85-
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NXAC-40.5Metal-clad Withdrawable High-Voltage Switchgear Jiangsu SIMMCOS Electrical Co.,Ltd is a wholly owned subsidiary company of Huapeng Group, the company, introducing the technology of Siemens Germany, mainly manufactures high and low voltage switchgears. In the Original siemens cabinets, only siemens breakers can be assembled, but the newly designed NXAC-40.5 allows local breakers. NXAC-40.5 is metal enclosed switchgear with withdrawable breakers, which is assembled in the factory and passed type test and apply to GB3906-2006 IEC60298 IEC60 and UDE0670. Safety of use All switching operations take place with high-voltage compartment door closed. Apply to GBII622, IEC60529 standard and degree of protection is IP4X. Arc test are done according to IEC60 298, App.AA, GB3906 standard, Appendix. A. Electrical position indication on panel for circuit-breakers and earthing switch. Interlocks prevent maloperation. Operation Characteristics The operation of switching, isolating and earthing can be realized from the panel. integrative mechanical and electrical operation indication, mechanical switching position indications are included in the simulation diagrams. The operation holes, control components, switching position indication and low-voltage instruments are all with suitable height for convenient operation. Circuit breakers are with remote operation functions. Flexibility The doors of high-voltage switchgears and low-voltages can be left opened or right opened at will. Cables are with common-used type. Switchgears can be extended from two sides without change of original constructions. Vacuum circuit breakers are optional. Construction Characteristics Internal malfunction capacity applies to the standard. Each compartment with separate pressure release devices. Standard top pressure release. Separate busbar compartment. Control cables are laid in separate cable duct. The assembled frames with high-strength bolts are of solid structures. All function compartments mutually separated and isolated. Coving small area, Space saving. Withdrawable toolbox on the right side of the cabinet with operation tools inside for the convenience of operation. Products Introduction Rated voltage 40.5KV Rated power-frequency withstand voltage 95KV/min Rated lightening impulse withstand voltage 185KV Rated short-circuit breaking current 25-40KA Rated short-circuit withstand current 25-40KA Rated peak withstand current Max 63-100KA Rated busbar working current Max 2500A Rated feeder working current Max 2500A Fuse Depending on the rated current of the fuse Construction NXAC-40.5 metal-clad withdrawable high-Voltage switchgear(porcelain arching chamber) , introducing SIEMENS 3AH VCB, can meet any requirement of 35KV power distribution rooms, rated current is up to 2500A, short-circuit breaking is up to 40KA, with full capacity, it can be operated for 150 circles, mechanical endurance reaches to 30000 circles( Max 120000 circles on high operation frequency conditions) ; 3AH VCB which is designed for China power grid, adopts the design of increasing creepage distance and enchancing insulating intensity, maintenance-free, no restriking after making/breaking the capacitor banks , power frequency withstand voltage 95KV , impulse withstand voltage(peak) 185KV, short time withstand current up to 40KA/4S, air clearance of the exposed live parts more than 300mm, small operation over voltage. It is economical, reliable and safe. VCB  SIEMENS products, high quality guarantee  Maintenance-free, cost saving  Competitive price  Stable vacuum technology, rich manufacture experience  With high generality to reduce project design difficulty and cost  More short current breaking times, longer service time  Designed for China circuit breaker plant as per China standard.  More reliable and safe  Compact structure, space saving  No need lubricant supplement  No need readjusting  Small closure value

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