Overload Circuit Protector Adjustment And Setting - Toshiba Q9 Plus Installation & Operation Manual

Overload Circuit Protector Adjustment and Setting

The trip threshold of the OCP is set to the lowest setting when the product ships from the factory. The
OCP setting should allow for the high inrush current of startup and the short-time overload current of
high-inertia loads but not be set so high as to provide inadequate overcurrent protection. The OCP
should be set to a level that is just above the maximum level of the application's normal operating
requirements.
A motor starter is recommended for larger motors.
Overload settings are application-specific and should be set and/or adjusted by Qualified Personnel
ONLY (see Qualified Personnel on pg.
Figure 4. Motor OCP Adjustment and OCP Contactor.
Set to minimum at the factory.
Application-specific
adjustment is required.
Q9 Plus Bypass ASD/Bypass Box Installation and Operation Manual
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2).
The Normally Open (NO) and Normally Closed (NC)
contacts remain in their normal states during normal
operation. Both contacts change states during an overload trip.
The contacts may be used with ancillary circuitry to
annunciate an overload trip or to control other system
features.
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