描述
一、产品定位与核心价值
1.产品定位
类型：智能电动机保护断路器（MPCB），集成保护、控制、监测功能于一体，适用于三相交流电动机（380V/690V）的启动、运行与保护。
型号解析：
YPK112A：
YPK：ABB内部产品系列代码，对应Tmax XT系列电动机保护断路器。
112：表示额定电流12A（实际为10~16A可调，112可能为内部编码规则）。
A：可能表示标准版本（如无附加功能），或对应特定附件配置（如辅助触点、报警模块）。
系列背景：
Tmax XT系列是ABB新一代低压断路器，强调模块化设计、高精度保护、智能化通信，符合IEC 60947-2、IEC 60947-4-1标准。
2.核心价值
全面保护：
覆盖过载、短路、断相、堵转、接地故障等电动机常见故障，避免设备损坏、生产中断。
智能监测：
内置电流、电压、功率、能耗传感器，实时监测电动机运行状态，支持能耗分析、预测性维护。
灵活通信：
支持Modbus RTU/TCP、PROFIBUS DP、DeviceNet等工业协议，可与PLC、SCADA、DCS系统无缝集成，实现远程监控与自动化控制。
节能优化：
通过软启动、变频调速兼容（需外接控制器），降低电动机启动电流，减少电网冲击与能耗（节能10%~30%）。
二、核心功能与技术参数
1.保护功能
过载保护：
反时限特性（IEC 60255-3），根据电流大小自动调整脱扣时间，避免频繁误动作。
可调范围****：0.4~1.0In（额定电流），适应不同负载特性（如轻载启动、重载运行）。
短路保护：
电磁脱扣器，瞬时动作（<0.1s），保护电动机及电缆免受短路电流冲击。
短路分断能力：50kA（400V），满足工业配电系统需求。
断相保护：
监测三相电流不平衡度>50%时，延迟5~10s脱扣，防止电动机单相运行烧毁。
堵转保护：
检测启动时间过长（如>10s）或运行中电流突增（如3~5In），触发脱扣保护。
接地故障保护：
可选配剩余电流保护模块（RCD），检测接地电流>30mA时快速脱扣，保障人身安全。
2.监测功能
电气参数测量：
实时显示三相电流、电压、功率因数、有功功率、无功功率、电能消耗，支持历史数据存储（如7天）。
状态诊断：
通过LED指示灯或HMI显示屏显示运行状态（正常、过载、故障），支持故障代码查询（如L1过载、SC短路）。
能耗分析：
记录电动机运行时间、启停次数、能耗趋势，生成能耗报表，辅助节能优化决策。
3.通信功能
协议支持：
Modbus RTU/TCP：连接PLC（如Siemens S7-1200）、SCADA系统（如WinCC），实现远程监控与参数设置。
PROFIBUS DP：集成至西门子PLC网络，支持高速数据传输（12Mbps）。
DeviceNet：连接罗克韦尔（Allen-Bradley）控制器，适配汽车制造、包装机械等行业。
通信接口：
RS485端口（标准配置），支持Modbus RTU；可选配以太网模块实现Modbus TCP/PROFIBUS DP。
4.硬件规格
额定电流：
框架电流****：16A（可调范围10~16A），适配0.75~7.5kW电动机（400V）。
极数：
3P（三极），支持三相交流电动机保护。
安装方式：
导轨安装（DIN rail），兼容标准35mm导轨，便于快速更换与维护。
操作机构：
旋转手柄，支持手动合闸/分闸；可选配电动操作机构实现远程控制。
附件扩展：
辅助触点（1NO+1NC）：用于信号反馈（如运行/故障指示）。
报警模块：通过干接点输出触发声光报警器。
分励脱扣器（Shunt Trip）：接收外部信号（如PLC指令）强制分闸。
1.Product Positioning and Core Value
1.Product Positioning
Type:Intelligent motor protection circuit breaker(MPCB),integrated protection,control and monitoring functions,suitable for the start-up,operation and protection of three-phase AC motors(380V/690V).
Model analysis:
YPK112A:
YPK:ABB internal product series code,corresponding to Tmax XT series motor protection circuit breaker.
112:Indicates the rated current of 12A(actually adjustable 10~16A,112 may be an internal coding rule).
A:May indicate a standard version(such as no additional functions),or corresponding to specific accessory configurations(such as auxiliary contacts,alarm modules).
Series background:
The Tmax XT series is ABB’s new generation of low-voltage circuit breakers,emphasizing modular design,high-precision protection,and intelligent communications,and complies with the standards of IEC 60947-2 and IEC 60947-4-1.
2.Core Value
Comprehensive protection:
Coverage common motor failures such as overload,short circuit,phase disconnection,rotation blockage,grounding faults,etc.,to avoid equipment damage and production interruption.
Intelligent monitoring:
Built-in current,voltage,power,and energy consumption sensors to monitor the motor operating status in real time,and support energy consumption analysis and predictive maintenance.
Flexible communication:
It supports industrial protocols such as Modbus RTU/TCP,PROFIBUS DP,DeviceNet,etc.,and can seamlessly integrate with PLC,SCADA,and DCS systems to realize remote monitoring and automated control.
Energy saving optimization:
Through soft start and frequency conversion speed compatible(external controller is required),the motor start current is reduced,and the grid impact and energy consumption are reduced(energy savings of 10%~30%).
2.Core functions and technical parameters
1.Protection function
Overload protection:
Inverse time limit characteristic(IEC 60255-3),automatically adjusts the trip time according to the current magnitude to avoid frequent malfunctions.
Adjustable range****:0.4~1.0In(rated current),adaptable to different load characteristics(such as light load start,heavy load operation).
Short circuit protection:
Electromagnetic tripper,instantaneous operation(<0.1s),protects the motor and cable from short circuit current impact.
Short circuit breaking capacity:50kA(400V),meeting the needs of industrial distribution system.
Disconnection protection:
Monitoring:When the three-phase current imbalance is>50%,the trip is delayed by 5~10s to prevent the single-phase operation of the motor from burning.
Blocking protection:
Detection:If the startup time is too long(such as>10s)or the current increase during operation(such as 3~5In),triggering trip protection.
Ground fault protection:
Optional residual current protection module(RCD)is available to detect rapid tripping when grounding current>30mA to ensure personal safety.
2.Monitoring function
Electrical parameter measurement:
Real-time display of three-phase current,voltage,power factor,active power,reactive power,and power consumption,supporting historical data storage(such as 7 days).
Status Diagnosis:
The operating status(normal,overload,fault)is displayed via the LED indicator or the HMI display,and fault code query is supported(such as L1 overload,SC short circuit).
Energy consumption analysis:
Record the motor running time,number of start and stop times,energy consumption trend,generate energy consumption reports,and assist in energy saving optimization decisions.
3.Communication function
Protocol support:
Modbus RTU/TCP:Connect to PLC(such as Siemens S7-1200)and SCADA system(such as WinCC)to realize remote monitoring and parameter settings.
PROFIBUS DP:Integrated to Siemens PLC network,supports high-speed data transmission(12Mbps).
DeviceNet:Connect to Rockwell(Allen-Bradley)controllers,adapt to industries such as automobile manufacturing and packaging machinery.
Communication interface:
RS485 port(standard configuration),supports Modbus RTU;optional Ethernet module to implement Modbus TCP/PROFIBUS DP.
4.Hardware specifications
Rated current:
Frame current****:16A(adjustable range 10~16A),adapted to 0.75~7.5kW motor(400V).
Pole number:
3P(three-pole),supports three-phase AC motor protection.
Installation method:
Rail mounting(DIN rail),compatible with standard 35mm rails for quick replacement and maintenance.
Operating mechanism:
Rotating handle,supporting manual closing/opening;optional electric operating mechanism for remote control.
Attachment extension:
Auxiliary contact(1NO+1NC):for signal feedback(such as operation/fault indication).
Alarm module:triggers the acousto-optical alarm through the dry contact output.
Shunt Trip:Receive external signals(such as PLC commands)and force the gate to open.
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