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SCHNEIDER AS-003B-104 modular relay

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SCHNEIDER AS-003B-104 is a modular relay from the Telemecanique series under Schneider Electric.

SKU: 17891597-1-1-1-1-1-1-1-1-1-1-1-1-1-2-1-1-3-1-1-1-1-1-1-2-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1
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SCHNEIDER AS-003B-104

 

SCHNEIDER AS-003B-104 is a modular relay from the Telemecanique series under Schneider Electric.

According to publicly available information, this product belongs to the Telemecanique AS Series. The AS series is characterized by a modular design and is widely used in automation control systems, allowing flexible combinations of functional modules such as relays, contactors, timers, and overload protection devices.


Basic Product Information

  • Model: AS-003B-104
  • Brand: Schneider Electric / Telemecanique
  • Category: Modular Relay
  • Applicable Systems: Low-voltage power distribution systems, automation control panels

Core Specifications

Based on the standard specifications of the AS series, the AS-003B-104 typically features the following:

Parameter Specification
Rated Current 16 A
Rated Voltage 250 V AC / 125 V DC
Contact Configuration 3 NO (three normally open contacts)
Mounting Type DIN rail mounting (standard modular size)
Protection Rating IP20 (no protective enclosure, for internal installation only)
Main Functions Relay control, overload protection, time-delay functions, etc. (depending on the specific module configuration)

Applications

The AS-003B-104 is mainly used in the following fields:

  • Industrial Automation: As a control component in control cabinets for motor start/stop control, valve actuation, sensor monitoring, and related tasks.
  • Building Electromechanical Systems: For lighting control, HVAC control, and other building automation applications.
  • Infrastructure: For load switching and backup power management in electrical power systems.

SCHNEIDER AS-003B-104

 

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•Package: Original packing with cartons

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What is a DCS?

Distributed Control System (DCS) is a sophisticated, computer-based control system designed to automate, monitor, and manage complex industrial processes. It is widely used in large-scale industrial facilities such as refineries, power plants, chemical plants, and paper mills, where precision, reliability, and scalability are critical.

How Does a DCS Work?

A DCS is composed of several interconnected components that work seamlessly to ensure efficient process control. Here’s a breakdown of its key elements:

  1. Controllers:
    These are the “brains” of the system. Controllers receive data from sensors, process it using pre-programmed logic, and send output signals to actuators to maintain optimal process conditions.
  2. Sensors:
    Sensors act as the “eyes and ears” of the system, measuring critical physical parameters such as temperature, pressure, flow rate, and level. This real-time data is essential for accurate control.
  3. Actuators:
    Actuators are the “muscles” of the system. They execute physical actions based on controller commands, such as opening/closing valves, starting/stopping motors, or adjusting dampers.
  4. Operator Stations:
    These serve as the human-machine interface (HMI), allowing operators to monitor the process, adjust setpoints, and troubleshoot issues. Modern DCS systems often feature intuitive graphical interfaces for ease of use.
  5. Communication Network:
    The backbone of the DCS, this network connects all components, enabling seamless data exchange and coordination. It ensures that every part of the system works in harmony, even across large industrial sites.

Why is a DCS Important?

  • Centralized Control with Distributed Execution: A DCS allows for centralized monitoring while distributing control functions across multiple controllers, reducing the risk of system-wide failures.
  • Scalability: It can easily expand to accommodate growing operational needs.
  • Reliability: Redundant systems and fail-safes ensure continuous operation, even in critical environments.
  • Efficiency: Optimizes processes, reduces waste, and improves overall productivity.

Why Choose Us?

We stand out in the competitive market through our unwavering commitment to quality, service, and value:

✅ Extensive Product Portfolio
We partner with top-tier brands (ABB, Siemens, Honeywell, Schneider, etc.) to offer a diverse range of industrial automation products, ensuring we meet the unique demands of every customer.

✅ Professional & Customer-Centric Service
Our experienced team provides end-to-end support—from product selection to after-sales service—ensuring a seamless and efficient experience.

✅ Global Supply Chain Network
Through long-term partnerships with domestic and international manufacturers, we offer flexible trade channels, reliable sourcing, and fast delivery.

✅ Competitive Pricing
By optimizing our supply chain and operational efficiency, we provide high-quality products at cost-effective prices without compromising on reliability.

 




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