Vortex impeller is located outside the volute: therefore, any solid that may enter the suction is able to pass through the body by vortex effect. Sic mechanical seal has great wear resistance.
The watertight cable entry system protects the motor from water and moisture in case of damaged and submerged cables.
Built-in thermal protector automatically stops the pump in case of open phase, short circuit, overload and overheating.