Product Overview
The PW502/S1 is a high-reliability AC-to-DC power supply module designed for the Yokogawa control system ecosystem. It provides a stabilized 24 V DC output to processor modules and I/O cards, ensuring continuous and reliable operation in distributed control environments.
Engineered to handle wide-range AC input and line fluctuations, the PW502/S1 delivers clean, regulated power critical for maintaining system uptime. Its robust industrial construction and integrated forced-air cooling make it suitable for continuous duty in control cabinets where thermal stability and electrical integrity are essential.
Technical Specifications
| Item | Description |
|---|---|
| Model Number | PW502/S1 |
| Module Type | AC-to-DC Power Supply Unit |
| Input Voltage | 100–240 V AC (Universal) |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W × H × D) | 40 mm × 120 mm × 210 mm |
| Weight | 1.0 kg |
| Style Code | S1 |
Performance & Safety Features
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Stabilized Output: Precise voltage regulation prevents CPU resets and I/O malfunctions
-
Thermal Protection: Forced-air cooling maintains optimal internal temperatures for long service life
-
System Integration: Designed for direct mechanical and electrical compatibility with Yokogawa standard racks
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EMI / EMC Control: Low-noise design minimizes interference with analog signals and communication buses
FAQ
Can the PW502/S1 be used in a redundant power configuration?
Yes. Yokogawa systems support dual PW502/S1 units in a power supply nest for 1+1 redundancy, ensuring uninterrupted operation if one unit fails.
What does the “S1” suffix indicate?
“S1” denotes the hardware style (revision) code, identifying a specific design version to ensure compatibility with corresponding backplanes and enclosures.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| 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. |
| Q: What Payment Methods Do We Accept? |
| 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. |
| Q: What Shipping Methods Do We Use? |
| 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. |
| Q: How Do We Package the Goods? |
| 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. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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