Product Description
The Triconex 2553-8 Terminal Board (Part No. 7400056-380) is a critical interface component designed to connect field devices to Triconex safety instrumented systems (SIS). Featuring 32 isolated input channels, it supports multiple signal types including dry contact, wet contact, and pulse, providing versatile compatibility with industrial safety devices.
Engineered for reliability and safety, the 2553-8 offers hot-swappable module support, high-integrity communication protocols, and built-in diagnostic capabilities, making it ideal for safety-critical applications. With robust point isolation (1500–2500 VDC) and a wide input voltage range (90–155 VAC/VDC), the module ensures secure, interference-resistant signal acquisition.
Compact and durable, the terminal board operates across extreme temperatures from –40 °C to +85 °C, ensuring dependable performance in harsh industrial environments. It is widely deployed in oil & gas, petrochemical, and power generation industries, where safety integrity and fault tolerance are essential.
Key Features
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32 isolated input channels
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Accepts dry contact, wet contact, and pulse signals
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Input voltage range: 90–155 VAC/VDC
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Input current range: 6–9 mA
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Point isolation: 1500–2500 VDC
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Supports hot-swappable modules
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High-integrity communication protocols
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Built-in diagnostic capabilities
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Compact dimensions: 173 × 117 × 48 mm
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Lightweight: 0.4 kg
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Wide operating temperature range: –40 °C to +85 °C
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 2553-8 |
| Product Type | Terminal Board |
| Input Channels | 32 |
| Signal Types Supported | Dry contact, wet contact, pulse |
| Input Voltage Range | 90–155 VAC/VDC |
| Input Current Range | 6–9 mA |
| Point Isolation | 1500–2500 VDC |
| Power Consumption | 2.9 W |
| Dimensions (L × W × H) | 173 × 117 × 48 mm |
| Weight | 0.4 kg |
| Operating Temperature | –40 °C to +85 °C |
| 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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