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Electrokristron ATS Switches, Functions, Features and Benefits

ELECTROKRISTRON AUTOMATIC CHANGEOVER SWITCH (E-ACS or E-ATS)  is the way to go for your safe electrical power source interchange and ‘Power blackout management’ options both at domestic and semi-industrial levels.

Order one to replace the manual changeover you currently have or hoping to install. It is safe for your family as it is fully automatic and your wife or children will not have to physically touch or operate a damaged and dangerous manual changeover (that might shock them) anymore.


1. Automatically helps you transfer power from available source to load or building
2. Automatically controls your generator (Gen Auto-Start and Gen Auto-Stop) depending on Mains availability or User command.

Electrokristron Automatic Changeover Switch functions can be increased or enhanced by adding extra User configurable options through our special online Electrokristron Product Builder Wizard EPBWiz such as:
1. Gen scheduling timers, allowing gen(s) to operate only at specific periods of the day or for rotating 2 or more generators automatically
2. Gen runtime (duration) timers, allowing the gen(s) to run for a certain duration of time, example 4 hours, thereafter shutdown automatically
3. Inverter battery voltage level monitoring, allowing your ATS to automatically start the gen when Inverter battery voltage level drops to a preset threshold, set by you.
4. Inclusion of Manual (Bypass) switches, allowing the bypass of the ATS automatic power transfer function, useful in emergencies
5. Inclusion of various other accessories and functionalities, based on request, tailored to suit your power management needs better.

1. It automatically connects your home/office/factory to your Generator whenever public supply fails
2. It automatically changes from Generator mode to Mains (PHCN/NEPA) mode when public power supply is restored.
3. It automatically STARTS your Generator when public power supply fails (No need to go out in the rain or dead of night to start your Gen).
4. It automatically turns OFF your Generator as soon as Mains is restored (No need to go out late in the middle of the night to turn off your Gen)
5. It can be used to interchange load between various types of power sources including WIND TURBINE/MILL, INVERTER, SOLAR POWER UNIT, two or more separate GENERATORS, PUBLIC UTILITY POWER SUPPLY (Mains) etc.
6. It can be used on small or large ‘sound proof’ Generators (MIKANO, MARAPCO, CATERPILLAR, etc), key-start or button-start types
6. Unlike other brands that just switch between Gen and Mains, Electrokristron brand of automatic changeover acts as an intelligent Robot (When installed with our special ELECTROKRISTRON INVERTER BATTERY INTERFACE MODULE, EIBIM) such that:
(a) It switches to INVERTER mode when MAINS fails, allowing your Inverter to run and operate for expected number of hours BEFORE starting your Generator automatically thereby saving you running costs on Generator fueling and maintenance.
(b) It Monitors your Inverter batteries continuously to ensure they do not drain beyond the safe  User adjustable threshold value preset by you, typically 10.5Volts for 12V battery.
(c) Immediately Inverter batteries voltage drops to preset threshold level (at 10.5volts, for instance), ELECTROKRISTRON Automatic Changeover starts your Generator and switches over to GEN mode, allowing your Inverter batteries to start recharging.
(d) As soon as Mains is restored, the changeover unit changes over to MAINS mode and stops your Generator, saving fuel, while your Inverter batteries continue to charge.
7. You can turn off the Gen auto start feature (‘GenAutoStart’) that automatically starts your Gen on power outage and put the unit on ‘User Mode’ (also known as ‘Manual Mode’) so that you as the user could start your Gen only when you need it running.
8. You can choose to ALLOW or DISALLOW PHCN/NEPA supply (especially in low voltage or erratic supply situations) through an available front switch on the unit which serves as a Public Mains power (Mains) isolator switch.
9. 3-in-1 design also available to manage three (3) separate power sources changeover operations such as for premises with Generator 1 (SOURCE 1), Generator 2 (SOURCE 2) and Public Mains (SOURCE 3).
10. Electrokristron Automatic Changeover units (and our other products) can be customized for your peculiar power management needs.

ELECTROKRISTRON Automatic Changeover Units are versatile, user friendly, strong, durable and efficient.

Some models are available as 3-phase units but can  be configured (looped) to work as 1-phase units for use in single phase (50Hz 240V AC) environments.

Electrokristron products come with 1 year warranty.

Select from Electrokristron ATS categories

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