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Big Pawer Electrical Technology Xiangyang Inc. Co., Ltd.

Low Voltage, Complete Equipments, Switchgear manufacturer / supplier in China, offering Mns Series Low-Voltage Complete Switchgear, Mv Ydq Series Liquid Resistor Rotor Soft Starter, Htr Series High Voltage Thermal Resistor Soft Starter and so on.

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Supplier Homepage Product Switchgear Mns Series Low-Voltage Complete Switchgear

Mns Series Low-Voltage Complete Switchgear

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 2000 Sets Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: MNS
  • Shell Material: Steel Plate
  • Installation: Removable
  • Current: AC
  • Type: Distribution Metering Box
  • Transport Package: Wooden Case
  • Origin: Xiangyang, Hubei Province, China
  • Certification: CCC, ISO9001
  • Voltage Level: Low Voltage
  • Structure: Protection
  • Measurement: in Following Diagram
  • Trademark: Big Pawer
  • Specification: CE ISO9001
  • HS Code: 85437099
Product Description
1 Overview
MNS type low-voltage switchgear is researched and developed by our company on the basis of improvement of component choice and cabinet structure. Meanwhile it combines with our country's development trend of low voltage switchgear. It is suitable for power plant, substation, petrochemical industry, metallurgical industry, steel rolling and so on where the electrical system is that rated working voltage is 660V and the below and the frequency is 50~60Hz as application of electricity exchange and equipment control.
This low-voltage switchgear is in accord with the fifthly part of IEC6043P VDE0660, GB7251-1991Low-voltage switchgear and control gearand JB/T9661Low-voltage withdrawable switchgear.

2 Standards and specifications
IEC60493 Low-voltage switchgear and control gear combination
GB7251.1-2005 Low-voltage switchgear assembly and control the first part
Q/HD. J5 090-2007 Enterprise standard of MNS series low-voltage switchgear
ZBK36001- 89 Low-voltage withdrawable switchgear

3 Working conditions
3.1 Ambient air temperature is between +40º C and -5º C, while, average temperature in 24h is no more than +35º C.
3.2 Atmospheric Conditions: Clean air, relative humidity is no more than 50% at the highest temperature +40º C, relative higher humidity is admissible at lower temperature, for example, it is 90% at +20º C. Should consider the change of temperature, there is moderate dewing in accident.
3.3 Altitude is no more than 2000m.
3.4 Pollute grade is 3.
3.5 The equipment is applied to transportation and storage process at the below temperature: Between -25º C and +55º C. It can up to be +70º C in short time (no more than 24h). At the extreme temperature, it should not be subject to unrecoverable damage. Meanwhile, it should run well at normal condition.
3.6 If the above application conditions can not be met, the user should confer with the manufacturer to solve it.

4 Applications
MNS type low-voltage switchgear (short as equipment) is a modularized and multifunctional low-voltage distribution cabinet. It is applied in the field of petroleum, chemical industry, metallurgical industry, industrial and mining enterprises and infrastructure which need high reliability low voltage system and distributing and motor control system. MNS is whole series low-voltage switchgear and can meet full range requirement. In the low voltage system of below 5000A, MNS can provide high standard reliability and safety. The special profile structure and connection manner and compatibility to various components can meet the requirement of harsh period and power supply continuity.
Main circuit rated voltage(V) AC 380(400),(660)
Auxiliary circuit rated voltage (V) AC 220, 380(400)
DC 110, 220
Rated frequency(Hz) 50(60)
Rated insulated voltage(V) 660(1000)
Rated current(A)Level bus≤5000
Vertical bus(MCC)1000
Bus rated short-time withstand current(kA/1S)50\80\100
Bus  rated peak withstand current(kA/0.1S)105\176\220
Power frequency test voltage(V/1min)Main circuit2500
Auxiliary circuit1760
BusThree-phase four-wire systemA.B.C.PEN
Three-phase five-wire systemA.B.C.PE.N
Protection gradeIP30, IP40, IP54
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