ALSTOM PD521 Relay Module

ALSTOM PD521 Relay Module

Product Details Introduction

Alstom PD521 relay module is a relay module used in industrial automation and control systems, mainly for protection and control of power systems. Here are some detailed information and application areas about this relay module:

application area 

Power system protection:

Substation protection: used in substations to protect transformers, busbars, and transmission lines, preventing the expansion of faults.

Distribution system: protects equipment in the distribution system to ensure the safety and reliability of power transmission.

Industrial automation:

Factory automation: In factory automation systems, it is used for equipment protection and control to achieve safe operation of automated production processes.

Process control: In industries such as chemical, petroleum, and natural gas, protecting and controlling critical equipment to ensure the safety and stability of the production process.

Transportation system:

Railway and Rail Transit: Protecting and controlling circuits in railway signaling and power systems to ensure the safe operation of the transportation system.

Subway and Light Rail: Used for power protection and control in subway and light rail systems to prevent equipment damage caused by electrical faults.

Functional characteristics

High reliability:

Durability: Designed to operate under harsh environmental conditions, including high temperature, humidity, and vibration.

Stability: Provides high stability relay protection function to ensure the continuity and reliability of system operation.

Protection function:

Overcurrent protection: When the current exceeds the set value, the relay quickly acts to cut off the circuit and prevent equipment damage.

Short circuit protection: When a short circuit is detected, it immediately acts to protect the circuit and equipment.

Overvoltage protection: Monitor voltage levels to prevent damage to equipment caused by excessive voltage.

Communication interface:

Multiple communication protocols: Supports various industrial standard communication protocols, such as Modbus, Profibus, Ethernet, etc., making it easy to integrate with other devices and systems.

Remote monitoring and control: Implement remote monitoring and control through communication interfaces, improving the flexibility and convenience of system operation.

Easy to maintain:

Modular design: Modular design facilitates installation, disassembly, and maintenance, reducing maintenance time and costs.

Self diagnostic function: Equipped with built-in self diagnostic function, it can quickly detect and report faults, making it easy to maintain and repair in a timely manner.

technical specifications

Model: PD521

Rated voltage: Depending on the specific model and application requirements, it is commonly 24V DC or other industrial standard voltage.

Rated current: The rated current capacity of a relay, configured according to specific application requirements.

Working temperature range: The temperature range suitable for industrial environments, usually between -20 ° C and+70 ° C.

Communication interface: Provides various interface types, such as Ethernet, RS-485, RS-232, etc., supporting different communication needs.

The Alstom PD521 relay module, as a key component in industrial automation and power systems, provides reliable protection and control functions, supports complex industrial application requirements, and ensures the safe and efficient operation of the system.

Product image

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