Causes and solutions of manually operated circuit breakers that cannot be closed


1. The undervoltage release has no voltage or the coil is damaged, check the circuit, apply voltage or replace the coil;
2. The energy storage spring is deformed, resulting in a decrease in the closing force, and the energy storage spring is replaced;
3. If the reaction spring force is too large, readjust the spring force;
4. The mechanism cannot be reset and deducted again, and adjusted and deducted again to the specified value.