Spacing 2.54mm bar connector, 5-pin. This VFD uses distinctive control method to realize high torque, nice precisions and wide speed regulatingrange driving, with fine performance. It has fine -trip performance and ability to adapt to rough,, humidity and dust interference, greatly improved stability.By optimizing PWM control technology and electromagnetic compatibility, it satisfies users' requirement of low noise, low electromagnetic interference. Simple to operate and wire, connect to wires after removing screws. Starts and stop response, large torque at low speed. Specifications: Name: Variable Inverter Model: AT1-2200S VER: A03 Source: AC, HZ50/60 (phase) Capacity: 4.0KVA(1.5KW/2HP) Output Current: 8A Application : universal Phase: Phase Adaptation Motor : 2.2KW Filter: built-in filter Control Method: V/F closed loop Output Voltage Regulation Mode: PWM control Rated Current: 12A Item Weight: 1137g / 2.51lb Package Weight: 1315g / 2.90lb Item Size: 195 130 110mm / 7.68 5.12 4.33in Package size: 215 200 160mm / 8.45 7.87 6.30in. Button: DISP: Switch monitoring parameters at monitoring state, at secondary menu, move data box to process editing position. PROG: Exit current(or present) state, switch among each states, mainly used to switch monitoring state, exit to previous menu. FUNG/DATA: Enter menus step-by-step, save setting parameters. Up: Press or press and hold to add data or function code. Down: Press or press and hold to minus data or function code. STOP/RESET: VFD stops running 2, restore to interface before error. Packing List: 1 Variable Inverter 1 Manual.