PRODUCT INTRODUCTION:

KYN550-12 has the"five prevention"interlocking function of preventing push and pull circuit breaker handcar with load,preventing misopening and misclosing circuit breaker,preventing grounding switch from closing circuit breaker when the grounding switch is in the closed position,preventing straying into the live compartment,preventing misclosing the ground switch when the power is on.It is equipped with indoor medium voltage solid sealed vacuum circuit breaker handcar,which is a kind of distribution equipment with superior performance.

WORKING CONDITION:
Normal service condition
Ambient   air   temperature:upper   limit+40℃,lower   limit-25℃;
◇Altitude:the maximum altitude of the equipment installation site 2000m;
◇Ambient temperature:daily average relative humidity is not more than 95%monthly average relative humidity is not more than 90%;
◇Seismic intensity does not exceed 8 degrees;
◇The surrounding airshould be free from corrosive or flammable gas,water vaporand other obvious pollution;
◇No serious pollution and frequent violent vibration.The harshness design underharsh conditions shall meet the requirements of Class 1.
Special working conditions
◇When used in excess of GB3906 and the normal environmental conditions specified in this technical condition,the user and the manufacturer shall negotiate.