5 times nominal current. complete data base coordination tables available the ABB Website.General Inform ation
Direct-On-Line Starting
of Three-Phase Asynchonous Motors
General
A com bination starter performs the following functions:
• circuit isolation and short-circuit protection,
• otor "ON" "OFF" control,
• overload protection.)
The «ON» «OFF» control and overload protection functions are performed contactor and thermal overload relay combination.1 times full-speed torque)
and starting current 5.
Full voltage Direct-On-Line starting simple, economic solution characterised high starting torque (1.
ill! I!
1SBC101001C0202
4
.
The isolation and short-circuit protection functions must performed fuse isolator switch, fuse switch circuit-breaker.
Fuse ratings recommended the coordination tables should used.9 2
