brand new and high quality Material: Electrical components Color: See pictures 42/57/86 TB6600 Stepper Motor 32-segment drier updated ersion 4.0A 40DC for CNC milling machine Specifications: This unit is an upgraded ersion of TB6600, the breakdown of increase to 32 segments, for high targeting purposes. Applicable stepper motor: 42.57, 86 Phase type phase (4 wire 6 wire 8 wire line) Characteristics: 1, 9 -40 for DC power supply; 2, H-bridge Bipolar constant-phase flow-drien; 3, the maimum output current of 4.0A eight optional; 4, up to 32 segments of si types of sub-modes aailable; 5, the input signal is high-speed optical insulation; 6, standard common anode single pulse interface; 7, HOLD function offline; 8, semi-closed chassis can accommodate the most demanding enironment; 9, proide semi-automatic current locking function; 10, built-in thermal for protection and oercurrent for protection. Size: 9.6*5.5*2.7cm/3.88"*2.17"*1.06" Quantity: 1Pc 1Pc TB6600 Single 4A Stepper Motor Drier Controller 9~40 Micro-Step CNC