Siemens SIMATIC ET 200SP System Manual page 68

Glossary
Tripping current (of an overload release)
The current value at which a release trips within a certain time.
Type of coordination 1
The load feeder may be non-operational after a short circuit has been cleared. Damage to
the SIMATIC ET 200SP motor starter is permissible.
Types of coordination
The IEC 60947-4-1 (VDE 0660 Part 102) standard distinguishes between two types of
coordination (type of coordination) referred to as coordination type "1" and coordination type
"2". The short circuit that needs to be dealt with is cleared reliably and safely with both types
of coordination; the only differences are in the extent of the damage sustained by the device
following a short circuit.
Utilization category
According to IEC 60947-4-1, the application area of and the load applied to motor starters
can be identified by looking at the specified utilization category in conjunction with the
specified rated operational current or the motor power and the rated voltage. An example is
utilization category AC-53a for starting and switching off squirrel-cage motors.
68
System Manual, 04/2016, A5E35582704002A/RS-AA/001
Motor starter