Soft Starter Startup Manual Sprecher + Schuh Hydraulic Installation
Page 14 © 2021 Smartrise Engineering, Inc. All Rights Reserved January 30, 2021
Phase Imbalance
The controller has the ability to monitor for imbalance between phase currents. This protection
feature can be user disabled.
The table below lists the phase imbalance.
Table 9: Phase Imbalance
Overload Trip Class
The controller incorporates, as standard, electronic overload protection. This motor overload
protection is accomplished electronically with the use of internal current transformers on each
of the three phases. The controllers overload protection is programmable providing the user
with flexibility.
The table below lists the overload trip class.
Table 10: Overload Trip Class
Overload Reset
In manual reset mode, the fault can only be reset by pushing the ‘push to reset’ button on the
front of the controller. In auto reset mode, the unit will automatically reset when the unit
determines the motor has cooled to 75% of its thermal capacity.
The table below lists the overload reset.
Table 11: Overload Reset
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