Motor Speed Controller Durable DIY 30A DC6-20V do oil pumps and water pump fans Description: [High Quality Material]: The DIY brushless ESC is made of electronic material, durable. [Replacement]: Nice replacements for old or damaged parts. [Portable]: lightweight, convenient and space saving. [Function]: the product current is stable, the heat is small, high efficiency. [Wide Application]: This ESC has been specially developed and designed do various industrial electrical tools such as air pumps, water pumps, oil pumps and fans, rc aircraft, which use three-phase DC brushless motors. Specification: Operating voltage: DC6V-20V (limit 24V) Drive current: rated 30 A plus air cooling 50 A Power: rated 600-800 W, peak 1000 W Overcurrent protection: yes Overheating Protection: Yes Maximum speed: 224000 rpm /min (2 pole motor), 74000 rpm /min (6 pole motor), 40000 rpm /min (12 pole motor), 35000 rpm /min (14 pole motor). Size Chart: 9,9 cm x 3,6 cm x 0,9 cm / 3,90 inch x 1,42 inch x 0,35 inch The package includes: 1 brushless ESC