Tb6600 4a Stepper Motor Driver. Features: This Drive is an Upgraded Version Subdivision Modes Availableup to 32 Segmentse; The Input Signal High-speed Optical Isolation; Common Anode Single Pulse Interface Standard; Offline Hold Function; Semi-enclosed Chassis Can Adapt to More Hard Environment; Provide Energy-efficient Semiautomatic Current Lock Function; Built-in Temperature Protection and Overcurrent Protection. Specifications: TB6600 the Highest Segments to 32 Fit For High Subdivision Applications. Applicable Stepper Motor: 425786 Type 2 Phase 4-phase (4-wire 6 Wire Line 8) 9V-42V DC Supply; H-bridge Bipolar Constant Phase Flow Driven; Eight Output Current Optional the Maximum Output Current: 4.0A; Package Include: 1 X TB6600 4A Stepper Motor Driver . We are an international based seller that will ship your order from abroad please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.