MR471E DC Motor Technical Skills Training Equipment Demonstrational Equipment Three Phase Alternator Trainer 1 Features (1) It can be flexibly moved, easy to use and not easy to be damaged. 2 Performance parameters (1) Input power supply: DC 0-220V±10% (2) Weight: <5kg (3) Working conditions: ambient temperature -10℃~+40℃, relative humidity <85% (25℃) 3 Product Composition (1) Several K4 test lines (2) DC motor 4 Complete the training content 4.1 No-load operation of DC motor