PSTB720-690-70软起动器 PDF资料
1.产 品 资 料 介 绍：
PSTB720-690-70 是 ABB PSTB 系列的一款大功率智能型软起动器，适用于水泵及大型电动机的平滑起动与停止控制，内置旁路接触器与电子过载保护。
产品特点
主回路支持 400–690V AC，控制电源 100–250V AC，覆盖高压工业场景。
外接额定电流 720A，内接方式可达 1247A，690V 下外接功率达 710kW。
内置电子过载保护，大规格机型集成旁路接触器，全速运行后降低能耗。
支持斜坡时间 0–120 秒、起始电压 30–70% 调节，具备电流限制功能。
标配 FieldBusPlug 接口，提供模拟量输出及状态指示 LED。
应用领域
供水与排水泵站控制。
污水处理厂水泵软起停。
冶金行业大型风机与泵类。
石油化工流程泵驱动。
电力行业冷却水泵与风机。
水泥建材行业风机与磨机辅助驱动。
造纸与纺织机械主传动。
矿山提升机与传送带辅助起动。
暖通空调大型冷水机组水泵。
老旧大功率电机起动柜改造替换。
结尾
PSTB720-690-70 软起动器以大电流承载、集成旁路与灵活控制为核心优势，适用于泵类及大型电机负载场景
2.英文详情介绍
PSTB720-690-70 is a high-power intelligent soft starter from ABB's PSTB series, suitable for smooth start and stop control of water pumps and large motors, with built-in bypass contactors and electronic overload protection.
Product Features
The main circuit supports 400-690V AC and the control power supply is 100-250V AC, covering high-voltage industrial scenarios.
The external rated current is 720A, the internal connection method can reach 1247A, and the external power at 690V is 710kW.
Built in electronic overload protection, integrated bypass contactor for large-sized models, reduces energy consumption after full speed operation.
Support slope time 0-120 seconds, initial voltage 30-70% adjustment, with current limiting function.
Standard FieldBusPlug interface, providing analog output and status indicator LED.
Application Fields
Control of water supply and drainage pump stations.
Soft start stop of sewage treatment plant water pump.
Large scale fans and pumps in the metallurgical industry.
Petrochemical process pump drive.
Cooling water pumps and fans in the power industry.
Auxiliary drive for fans and mills in the cement and building materials industry.
Main transmission of papermaking and textile machinery.
Mine hoist and conveyor belt assist in starting.
HVAC large chiller water pump.
Renovation and replacement of old high-power motor starter cabinets.
ending
The PSTB720-690-70 soft starter has the core advantages of high current carrying, integrated bypass, and flexible control, and is suitable for pump and large motor load scenarios
3.产品图片
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