EATON PL9-C4-2-DC断路器 PDF资料
1.产 品 资 料 介 绍：
中文资料：
EATON PL9-C4-2-DC 微型断路器 是一款专为直流（DC）应用设计的模块化微型断路器，广泛应用于直流配电系统中，如工业自动化、电力系统、通信设备和新能源系统。以下是其详细产品信息与应用领域：
一、产品基本信息
产品型号：EATON PL9-C4-2-DC
类型：微型断路器（MCB）
电流额定值：4A
极数：2极（双极 DC 应用）
电压等级：通常支持最高 220V DC（每极），或 440V DC（2极串联时）
脱扣曲线：C型（C Curve，适用于中等感性负载）
安装方式：DIN 导轨安装
标准认证：符合 IEC/EN 60947-2 或 IEC/EN 60898（直流版本）
二、产品特点
专为直流系统设计：与普通交流MCB不同，专门设计用于直流电压分断，灭弧能力强。
双极保护：两个极分别断开正负极或两路正极，适合不同DC拓扑结构。
C型脱扣特性：适用于轻微感性负载如小型直流电机、继电器回路等。
高分断能力：具备良好的短路保护能力，常见为6kA。
紧凑结构：适合在有限空间中进行高密度安装。
三、典型应用领域
工业自动化系统
PLC控制柜、传感器供电回路、DC继电器控制电路
直流驱动装置、电磁阀、电机小负载的支路保护
太阳能与储能系统（光伏DC系统）
用于光伏汇流箱、直流配电柜、储能电池组回路
对直流母线或子系统提供支路保护和快速隔离
通信基站与数据中心
通信设备直流供电系统（如-48V DC）的回路保护
UPS 后端或电池组之间的分支隔离断路
交通与轨道交通设备
电力牵引系统、DC照明、电控设备供电保护
适用于地铁、电车等DC供电场景
直流充电系统（EV领域）
电动汽车充电桩的DC侧保护，特别适用于低功率分支或控制回路
电源模块的输入输出保护
英文资料：
EATON PL9-C4-2-DC miniature circuit breaker is a modular miniature circuit breaker designed specifically for direct current (DC) applications, widely used in DC distribution systems such as industrial automation, power systems, communication equipment, and new energy systems. Here are its detailed product information and application areas:
1、 Basic Product Information
Product Model: EATON PL9-C4-2-DC
Type: Miniature Circuit Breaker (MCB)
Current rating: 4A
Number of poles: 2 poles (for bipolar DC applications)
Voltage level: typically supports up to 220V DC (per pole) or 440V DC (when connected in series with 2 poles)
Release curve: C-type (C Curve, suitable for medium inductive loads)
Installation method: DIN rail installation
Standard certification: Complies with IEC/EN 60947-2 or IEC/EN 60898 (DC version)
2、 Product Features
Specially designed for DC systems: Unlike ordinary AC MCBs, it is specifically designed for DC voltage breaking and has strong arc extinguishing capabilities.
Bipolar protection: Disconnect the positive and negative poles or two positive poles respectively, suitable for different DC topologies.
C-type tripping characteristic: suitable for slight inductive loads such as small DC motors, relay circuits, etc.
High breaking capacity: It has good short-circuit protection capability, commonly 6kA.
Compact structure: suitable for high-density installation in limited space.
3、 Typical application areas
Industrial automation system
PLC control cabinet, sensor power supply circuit, DC relay control circuit
DC drive device, solenoid valve, and branch protection for small loads of motors
Solar Energy and Energy Storage System (Photovoltaic DC System)
Used for photovoltaic combiner boxes, DC distribution cabinets, and energy storage battery pack circuits
Provide branch protection and rapid isolation for DC buses or subsystems
Communication base station and data center
Circuit protection of communication equipment DC power supply system (such as -48V DC)
Branch isolation open circuit between UPS backend or battery pack
Transportation and Rail Transit Equipment
Power supply protection for electric traction system, DC lighting, and electrical control equipment
Suitable for DC power supply scenarios such as subways and trams
DC charging system (EV field)
DC side protection for electric vehicle charging stations, particularly suitable for low-power branches or control circuits
Input/output protection of power module
2.产 品 展 示
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