AB46-7-70V 30A PWM DC Motor Speed Controller Switch Control 12V 24V 36V 48V With 30 Amp Fuse _x000D_ _x000D_ _x000D_ DC Motor Speed Controller_x000D_ Applicable voltage range: DC 7-70V_x000D_ Drive current: max. 30A (If the operating voltage is high, then the operating current needs to be reduced. Please use it refer to the power, which will better protect the motor and the Controller.)_x000D_ _x000D_ Control power (recommended):_x000D_ 12V: within 300W_x000D_ 24V: within 400W_x000D_ 48V: within 450W_x000D_ 60V: within 500W_x000D_ Duty cycle adjustable range:about 1%-100%_x000D_ PWM frequency:12KHZ_x000D_ Shell size:85mmx58mmx32mm_x000D_ Fuse:_x000D_ Current:30A max_x000D_ Wire diameter:2.5MM/0.4cm diameter/12AWG_x000D_ Length of wire:26cm (total length including seat 30cm)_x000D_ Note:The product appearance may be slightly different due to different factory batches, which will not affect the use of the product. Please be careful when purchasing if you mind._x000D_ Colour:Silver_x000D_ Material:Metal_x000D_ _x000D_ Package Contents:_x000D_ 1 * PWM DC Motor Speed Controller_x000D_ 1 * 30A Fuse_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_