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Solar Drives (for Water Pumps) - Solar Inverters EMHEATER South Africa currently stocks the following solar drives: EM15-SP1S Models, EM15-SP1 Models and EM15-SP3 Models.

Choosing between a VSD and a Soft Starter

Soft Starters utilise silicon-controlled rectifiers (SCRs) to perform phase angle control, while Variable Speed Drives (VSDs) use insulated-gate bipolar transistors (IGBTs) to perform pulse-width-modulation (PWM) control. VSD technology continues to evolve, while Soft Starters are considered a mature product by most. Each new generation of VSDs provide higher performance, smaller size, and more advanced control. Please see our Blog Page for more details on choosing the correct product for your application:

https://www.emheater.co.za/blog-vsd-vs-softstarter/

The USB to RS485 Converter Module is a converter that allows
connecting a RS485 Serial Communications network or system via the USB Protocol, operating on a simple 2-wire interface.

Please Contact us: https://www.emheater.co.za/accessories/

https://www.gumtree.co.za/a-industrial-machinery/eastern-pretoria/usb-to-rs485-adaptor/10012805591861010893618409