Product Description
The S9528VK is a dedicated industrial cartridge fuse designed for the Yokogawa control system ecosystem. It is commonly installed in power supply units (PSUs) and I/O modules to protect internal circuitry from overcurrent and short-circuit conditions.
Acting as a sacrificial protection device, the S9528VK isolates electrical faults instantly, preventing severe damage to high-value control hardware. It features stable thermal characteristics and low internal resistance, ensuring reliable performance under vibration and temperature variations typical of DCS cabinets.
Using the original S9528VK specification is critical to maintaining certified safety and performance standards in Yokogawa systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | S9528VK |
| Type | Industrial cartridge fuse |
| Voltage Rating | Designed for 24V DC / 100–240V AC circuits (refer to equipment rating) |
| Response Characteristic | Fast-acting / Normal blow (internal specification) |
| Construction | Ceramic or glass body with nickel-plated brass end caps |
| Application Compatibility | Yokogawa PSUs and Field Control Stations |
| Installation | Fuse holder insertion (tool-less or screwdriver access) |
| Operating Temperature | -20°C to +70°C |
Application
The S9528VK is typically used in:
-
Power supply input protection (AC mains)
-
Secondary DC output protection
-
Redundant power supply paths
-
Control cabinets in DCS environments
It is commonly stocked as a maintenance spare for systems such as:
-
Yokogawa CENTUM VP
-
Yokogawa CENTUM CS 3000
-
Yokogawa ProSafe-RS
Maintaining spare fuses onsite is standard practice to minimize downtime during power-related faults.
FAQ
Q1: Can a generic fuse of the same rating be used instead?
Physical dimensions may match, but the S9528VK is specified for the inrush and fault characteristics of Yokogawa equipment. Generic substitutes may cause nuisance trips or insufficient protection.
Q2: How can I identify a blown S9528VK?
Typical indications include PSU or battery fault LEDs on the module front panel, along with visible filament breakage or discoloration inside the fuse body.
Q3: Is it used in redundant power systems?
Yes. In redundant configurations, each power path typically includes its own S9528VK fuse to ensure isolation between primary and backup supplies.
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
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| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
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| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
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| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
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