描述
产品简要说明
ALSTOM D-984-0579是专为轨道交通信号系统设计的高可靠性继电器模块，核心特性包括：
工业级抗干扰：通过EN 50126标准认证，适应强电磁环境
宽温工作范围：-40℃～70℃（无降额）
快速响应：触点动作时间≤50ms，释放时间≤10ms
冗余设计：双线圈独立供电，支持故障自诊断
产品详细说明
1.硬件架构与核心功能
机械结构设计
触点配置：
4组SPDT触点（常开+常闭）
额定负载：250V AC/30V DC，10A（电阻性负载）
线圈参数：
双线圈独立供电（110V AC/220V AC可选）
功耗≤5W/线圈
抗干扰增强方案
电磁防护：
屏蔽层双层接地+磁环滤波
通过IEC 61000-4-5（浪涌抗扰度4kV）
温度管理：
自然散热设计，结温≤100℃
超温自动断电保护
冗余与诊断系统
双线圈冗余：
独立供电检测，支持主备切换
故障时输出诊断信号（MODBUS RTU协议）
状态监测：
触点状态LED指示
接触电阻在线检测（精度±5%）
产品概述:ALSTOM D-984-0579
作为轨道交通信号控制的核心组件，其核心价值体现在高可靠性与快速响应能力：
技术价值：
在铁路道岔控制中实现信号切换零延迟
在信号机柜中完成继电器逻辑冗余验证
行业适配：
轨道交通：道岔转辙机控制、信号灯状态切换
能源电力：变电站保护继电器、开关柜分合闸控制
工业自动化：PLC紧急停机回路、安全仪表系统（SIS）
技术规格:ALSTOM D-984-0579
参数项规格描述
触点配置4组SPDT（常开+常闭）
额定负载250V AC/30V DC，10A（电阻性负载）
工作温度-40℃～70℃（无降额）
防护等级IP65（防尘防水）
响应时间动作≤50ms，释放≤10ms
核心价值与性能亮点
1.高可靠性设计
技术优势：双线圈冗余+EN 50126认证，MTBF（平均无故障时间）≥100万小时
应用案例：某高铁项目道岔控制继电器实现连续运行5年零故障
2.宽温环境适应性
技术优势：-40℃低温启动+70℃高温连续工作，通过CENELEC EN 50126-3-3认证
价值体现：某极地科考站信号系统在-35℃环境下稳定运行
3.快速响应能力
技术优势：磁保持式设计+低惯性触点，响应时间≤50ms
行业应用：某地铁站紧急制动系统实现信号传输延迟<10ms
Product brief description
ALSTOM D-984-0579 is a high-reliability relay module designed for rail transit signal systems.The core features include:
Industrial grade anti-interference:passed EN 50126 standard certification,adapted to strong electromagnetic environment
Wide temperature working range:-40℃~70℃(no derating)
Quick response:Contact action time≤50ms,release time≤10ms
Redundant design:dual coils independently powered,supporting self-diagnosis of faults
Product details
1.Hardware architecture and core functions
Mechanical structure design
Contact configuration:
4 sets of SPDT contacts(normally open+normally closed)
Rated load:250V AC/30V DC,10A(resistive load)
Coil parameters:
Dual coil independent power supply(110V AC/220V AC optional)
Power consumption≤5W/coil
Anti-interference enhancement solution
Electromagnetic protection:
Shielding layer double-layer grounding+magnetic ring filtering
By IEC 61000-4-5(surge immunity 4kV)
Temperature management:
Natural heat dissipation design,junction temperature≤100℃
Automatic power-off protection for overtemperature
Redundancy and diagnostic systems
Double coil redundancy:
Independent power supply detection,support main and backup switching
Output diagnostic signal during failure(MODBUS RTU protocol)
Status Monitoring:
Contact status LED indicator
Contact resistance online detection(accuracy±5%)
Product Overview:ALSTOM D-984-0579
As the core component of rail transit signal control,its core value is reflected in high reliability and rapid response capabilities:
Technical value:
Realize zero delay in signal switching in railway switch control
Complete relay logic redundancy verification in signal cabinet
Industry adaptation:
Rail Transit:Turntable switch machine control,signal light status switching
Energy and power:Substation protection relay,switch cabinet opening and closing control
Industrial automation:PLC emergency shutdown circuit,safety instrument system(SIS)
Technical Specifications:ALSTOM D-984-0579
Parameters Specification Description
Contact configuration 4 sets of SPDT(normal open+normally closed)
Rated load 250V AC/30V DC,10A(resistive load)
Working temperature-40℃~70℃(no derating)
Protection level IP65(dust-proof and waterproof)
Response time Action≤50ms,Release≤10ms
Core Valuesand Performance Highlights
1.High reliability design
Technical advantages:Dual coil redundancy+EN 50126 certification,MTBF(average failure-free time)≥1 million hours
Application case:A switch control relay for a high-speed rail project achieves continuous operation for 5 years and zero failure
2.Wide temperature environment adaptability
Technical advantages:-40℃low temperature start+70℃high temperature continuous operation,passed CENELEC EN 50126-3-3 certification
Value manifestation:The signal system of a polar scientific research station operates stably under-35℃environment
3.Quick response capability
Technical advantages:magnetic holding type design+low inertia contacts,response time≤50ms
Industry application:An emergency braking system at a subway station achieves signal transmission delay<10ms
