ATS-125A-4P-iRC changeover switch is an microprocessor based intellectual device designed to transfer loads automatically and manually from one power source to another in a wide variety of 1-3 phase applications.
The unit monitors 3-phase normal and reserve source voltages, sends remote start command to the generating set and performs changeover switching between those 2 sources connecting the load circuits to a power source having voltages within preset limits.
Device has a manual load switch lever, a manual/auto mode switch and a mechanical locking.
Inputs and outputs: fire linkage control, generator remote start, external indicators.
The front panel leds provide information about mains and generator power availability as well as a current switch positions.
External display shows phase voltages and can be placed in a distance of 1-3 meters from the device via standard Ethernet cable.
Power source voltage limits, transfer-, start- and stop delays and transfer modes are front panel configurable.
Note: The delays apply only in case if the device is connected to 24VDC auxiliary power supply.
Features
• 3 working positions: main power ON – backup power OFF; main power OFF – backup power ON; main and backup power OFF;
• double complex contacts/ horizontal pulling mechanism/micro motor energy pre-storage and microcomputer control technology;
• reliable mechanical interlock and electric interlock;
• “Zero Position” technology. Device can be set to Zero Position under emergency situations with two way power supply cut off meeting the fire linkage requirements;
• singleness motor drive providing smooth, reliable, low noise operation;
• driving motor energized only during switching operations with outstanding energy saving;
• mechanical interlock, making sure that the Normal power and Reserve Power sources work without interference;
• distinct ON and OFF position and activity indicators;
• high security and reliability with working life more than 8000 times;
• electromechanical integration design with accurate changeover adopting an advanced logical control technology and high anti-interference ability;
• easy installation using control circuit plug type terminal connections.
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