描述
ABB 1TGB302004R5003是一款高性能低压断路器，专为工业配电系统设计，具备高分断能力与智能化控制功能。以下是其核心参数与技术特点的综合概述：
一、核心性能参数
电气规格
-额定电流：30A
-额定电压：400V AC
-分断能力：50kA（极限分断能力）
-短时耐受电流：100kA/1s
-防护等级：IP40
机械特性
-机械寿命：10,000次操作
-电气寿命：5,000次操作
-操作时间：≤80ms（分合闸响应）
二、技术特点
智能控制与通信
-支持Modbus或Profinet协议，可集成至工业控制系统，实现远程监测与故障诊断。
-内置过载、短路、欠压保护功能，支持自定义保护阈值设置。
宽温适应性
-工作温度范围：-25°C至+70°C，适用于极端环境（如户外配电箱、工业厂房）。
模块化设计
-标准化安装接口（导轨式/固定式），支持扩展附件（如辅助触点、脱扣单元）。
三、典型应用场景
工业配电系统
-保护电机、变频器等设备免受过流冲击，广泛应用于冶金、化工等高负荷行业。
-柴油发电机备用电源系统，确保供电连续性。
新能源领域
-风力/光伏逆变器前端保护，抑制电网波动对设备的影响。
-储能系统充放电回路控制。
轨道交通
-列车辅助电源系统，实现电路分断与故障隔离。
ABB 1TGB302004R5003 is a high-performance low-voltage circuit breaker designed for industrial power distribution systems with high breaking capacity and intelligent control functions.The following is a comprehensive overview of its core parameters and technical features:
I.Core performance parameters
Electrical specifications
-Rated current:30A
-Rated voltage:400V AC
-Breaking capacity:50kA(ultimate breaking capacity)
-Short-time withstand current:100kA/1s
-Protection level:IP40
Mechanical characteristics
-Mechanical life:10,000 operations
-Electrical life:5,000 operations
-Operation time:≤80ms(opening and closing response)
II.Technical features
Intelligent control and communication
-Supports Modbus or Profinet protocol,can be integrated into industrial control systems,and realizes remote monitoring and fault diagnosis.
-Built-in overload,short circuit,and undervoltage protection functions,support custom protection threshold settings.
Wide temperature adaptability
-Operating temperature range:-25°C to+70°C,suitable for extreme environments(such as outdoor distribution boxes,industrial plants).
Modular design
-Standardized installation interface(guide rail/fixed),support for extended accessories(such as auxiliary contacts,trip units).
III.Typical application scenarios
Industrial power distribution system
-Protect motors,inverters and other equipment from overcurrent shocks,widely used in high-load industries such as metallurgy and chemical industry.
-Diesel generator backup power system to ensure power supply continuity.
New energy field
-Wind/photovoltaic inverter front-end protection to suppress the impact of grid fluctuations on equipment.
-Energy storage system charging and discharging circuit control.
Rail transit
-Train auxiliary power system to achieve circuit disconnection and fault isolation.
