complete data base coordination tables available the ABB Website.
Fuse ratings recommended the coordination tables should used.9 2.
ill! I!
1SBC101001C0202
4
.
The isolation and short-circuit protection functions must performed fuse isolator switch, fuse switch circuit-breaker.
Full voltage Direct-On-Line starting simple, economic solution characterised high starting torque (1.5 times nominal current.)
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.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