MOS-1120Y-1401E

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MOS-1120Y-1401E is a medium-duty single-phase motor over current protector manufactured by Oriental Motor. This protector can provide highly reliable protection while recognizing the positive-sequence of currents of overload or short circuit. With its compact design, it is especially suitable for controlling the motor current in machine tools, robots, lifts, and high-speed textile and paper-copying machines. Hence it is most commonly used in various engineering applications.

The working principle of MOS-1120Y-1401E is relatively simple to understand. It monitors the three-phase motor current and when it senses that the current exceeds the pre-set value, the protector will detect the imbalance between the three-phase components (positive sequence) and automatically cut off the motor current. This helps protect the motor’s winding and other electrical components.

MOS-1120Y-1401E is designed to be placed in a control box and must connect the exposed-ground metal surfaces in the electrical panel. This is done to ensure that the electrical current is flowing in the correct direction and is at the right level. When the phase current exceeds the pre-set value, the protector interrupts the incoming current and prevents the motor from burning out.

Moreover, this protector is rated at zero residue and is thus capable of resetting current back to its normal level by automatically switching the motor to rest without any residual current. Additionally, MOS-1120Y-1401E has a cluster LED indicator which makes it easier to detect and solve issues related to the current imbalance. It also has a time-delay feature, which allows the current to reach its normal value before restoring the motor back to the operational state.

MOS-1120Y-1401E is an essential device in any application involving the control of motor current. It offers reliable protection from overloads and short circuits, producing a safe and efficient operation. Its compact design and easy-to-use features make it an ideal choice for a variety of industrial and commercial applications.

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