Application
-TKM8 series molded case circuit breaker is one of the new breakers designed and developed by our company by comprehensively adopting advanced technology.
-Rated insulation voltage of this series of breaker is up to 800V.It applies to distribution network circuit of AC 50Hz or 60Hz with rated working voltage up to 690V and rated working current up to 800A. It is used to protect circuits and power-supply equipment from damage of overload, under-voltage protection for the motor.This product complies with standard of IEC 60947-2.
-This breaker features small volume, high breaking capacity, short arc time, an ideal product to use. This breaker can be installed both vertically and horizontally.
Main technical specifications of types
*Type: TK8-63L, TK8-63M, TK8-100L, TK8-100M, TK8-100H, TK8-225L, TK8-225H, TK8-400M, TK8-400H, TK8-630L, TK8-630M, TK8-630H, TK8-800M, TK8-800H
*Frame rated current (A): 63, 100, 225, 400, 630, 800
*Rated current (A): from 6 to 800 (6, 10, 16, ...., 100, 125, ....., 630, 700, 800)
*Rated operating voltage (V): 400, 690
*Rated insulation voltage (V): 500, 800
*Rated ultimate short circuit breaking capacity (KA) 400V/690V: from 25 to 100 (25, 50, 35/8, 85/20, ?.100/20, 100)
*Rated service short circuit breaking capacity (KA) 400V/ 690V: from 17.5/4 to 125 (17.5/4, 25/5, 32.5/5, ?., 37.5, 50, 125)
*Number of poles: 2, 3, 4
*Flash over distance: ≤50, ≤100