SLD | Electrical diagrams3.3.4

This tool will allow you to create your own one-line diagrams quickly and easily. Simply select the symbol you want to use and drag it to the desired position.

The most commonly used symbols are integrated (IEC, ANSI standards):

Symbols according to IEC and ANSI standards for electrical engineering:
Circuit breaker, plug-in, switch, disconnector, fuse, differential (RCD), contactor, motor, generator, socket, plug base, contact, normally open NO, closed NC, valve, level, temperature, delay and advance opening and closing, limit switch, handle, interlock, push button, mushroom, lamp, grounding, energy meter, active (kWh) wattmeter, reactive (kvar) varimeter, transformer, voltage, current, three windings, overvoltage, thermal relay, magnetic, coil, clock, minimum and maximum voltage, starter, rectifier, inverter, battery, converter, AC/DC, DC/DC, frequency meter, voltmeter, ammeter, ohmmeter, soft starter, variable resistance, reactance, diode, varistor, heater, fault, star-delta transformer, insulation, regulator, connectors, conductors, phase, neutral, ground, protection, fan, photovoltaic panel, control, load and enter text such as volt, ampere, watt, energy

# BASIC Version #
* You can create your single-line diagram with the same symbols as the Version PRO
* You can only work with a scheme although you can share it as an image, pdf or file
* Once you create a scheme you will no longer be able to open another (they are not saved)
* Contains ads

# PRO Version # (1 - In-App Purchases)
* You will be able to open, edit and save a scheme
* Open in the following examples (link)
* No ads

* Missing a symbol? Contact us through the app
* More examples: https://drive.google.com/drive/folders/15vTwFvjtu311lSEbYJLaqUfp_pyEwEDt?usp=sharing

Version History * Performance and stability improvements 3.3.4 May 31 * Fixed Undo/Redo function 3.3.3 11/10/2025 * Performance and stability improvements 3.3.2 09/16/2025 * New Undo/Redo function 3.3.1 08/17/2025 * New Undo/Redo function 3.3.0 08/11/2025 * Fix when hiding symbols 3.2.3 06/17/2025 * Minor fixes 3.2.2 04/18/2025 * Added 'save as' option in settings and 'save' button on main screen
* Minor fixes 3.2.1 04/03/2025 * Fixed, pdf print
* Performance and stability improvements 3.1.8 03/31/2025 * Performance and stability improvements
* Bug fixes 3.1.7 03/28/2025 * Performance and stability improvements
* Bug fixes 3.1.6 03/27/2025 * Performance and stability improvements
* Bug fixes 3.1.5 03/27/2025 * Performance and stability improvements 3.1.3 03/13/2025 * Performance and stability improvements 3.1.2 03/10/2025 * Performance and stability improvements 3.1.0 02/20/2025 * Minor fixes and improvements 3.0.9 02/17/2025 * Minor fixes and improvements 3.0.7 02/14/2025 * Minor fixes and improvements 3.0.6 02/12/2025 * New symbols
* Minor fixes 3.0.5 01/28/2025 * Performance and stability improvements
* Improvements in copying multiple elements 3.0.3 11/03/2024 * Performance improvements and minor fixes 3.0.2 11/01/2024 * Performance improvements and minor fixes 3.0.0 04/20/2024 * Performance improvements and minor fixes 2.9.5 03/28/2024 * Performance and stability improvements 2.9.4 03/25/2024 * New symbols
* Minor fixes 2.9.3 03/10/2024