... for stepper motor Nema 08,1,14,1,23,24,34,43Characteristics:1. Power input type:24V~55V AC2. Output current:2 ... :Temperature-15~40°C Humidity<90%.I/O Ports:1.AC,AC:AC power positive pole 24V~55V ACNote:Must guard against exceeding 55V ... is protected : When the double-phase electrical machinery is connected with driver , users are apt to connect the phase by mistake ...