Overview
The Yokogawa AF533-03 PLC Module is a specialized fuse alarm board designed to safeguard PLC power circuits and provide real-time fault indication. Each of its six channels is equipped with a fuse and an LED indicator. When a fuse fails due to overload or short-circuit, the corresponding LED illuminates, allowing operators to quickly identify the fault location and restore system functionality.
This module is widely used in industrial control cabinets and distributed control systems (DCS) where reliability and fast troubleshooting are critical.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | AF533-03 |
| Operating Temperature | –25 °C to +85 °C |
Typical Applications
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Industrial PLC Systems: Protects and monitors power circuits.
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Control Cabinets: Provides quick fault diagnostics for maintenance teams.
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Process Automation: Ensures reliable operation in chemical, petrochemical, and refining plants.
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Utilities: Applied in power distribution and water treatment systems.
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Legacy Systems: Still used in older Yokogawa installations where fuse alarm modules are required.
FAQ
Q1: What is the primary function of the AF533-03?
A1: It protects PLC circuits with fuses and provides LED indication when a fuse blows.
Q2: How many channels does it support?
A2: It supports six independent fuse channels.
Q3: What is the fuse rating?
A3: Each channel is rated at 2 A, 24 V DC.
Q4: Is the AF533-03 still in production?
A4: No, it is discontinued, but surplus and refurbished units are available.
Q5: What industries typically use this module?
A5: It is widely applied in manufacturing, chemical, oil & gas, power generation, and utilities.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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