AC/DC High Voltage Molded Case Circuit Breaker Shell frame grade current 250,320,400,630,800

Function Introduction

◎ Through many years of dedicated research on the actual system operation situation and customer needs of new energy at home and abroad,YOM Electric has developed the YOM6HU/DC series of AC and DC Molded Circuit Breaker for New Energy.

◎ Product Characteristic

-MKB6HU series Molded Circuit Breaker,The maximum rated voltage is AC 1140V,and the maximum current is 800A.

-MKB6HU series Molded Circuit Breaker,in the voltage of AC 800V,the maximum breaking capacity is 50kA,which can ensure reliable short-circuit protection of the system.

-MKB6DC series Molded Circuit Breaker,The maximum rated voltage is AC 1500V,and the maximum current is 800A.

-MKB6DC series Molded Circuit Breaker,in the voltage of DC 1500V,the maximum breaking capacity is 20kA,which can ensure reliable short-circuit protection of the system.

Standard

MKBHU/DC series AC/DC molded case circuit breakers meet the following standards IEC 60947-1 GB/T14048.1 General Provisions

IEC 60947-2 GB/T14048.2 Circuit Breaker

Use and Maintenance

Various characteristics and accessories of the circuit breaker shall be fixed by the manufacturer and shall not be adjusted in the use.Under the compliance with custody and use conditions,from the date of 24 months from the manufacturer delivery and in the situation of the circuit breaker intact seals,if the product is damaged or not used normally due to manufacturing

quality problems,the manufacturer shallbe responsible for replacement and repair without charge.

Applied Environment

1.The altitude is not higher than 5500 m;

2.It is resistant to damp air (three-proof type)①

3.It is resistant to the influence of salt fog and oil fog(three -proof type);

4.It is resistant to the influence of mold (three -proof type);

5.In a medium without explosion nsk,and the medium is not enough to corrode the metal and destroy the insulation of the gas and conductive dust

Note:The three-prevention products should be specially customized,please indicate TH.