Overview
The ABB TBU838 Extended Module Termination Unit (MTU) is a compact and reliable interface between field devices and ABB’s S800 I/O modules.
It provides secure wiring, fused power distribution, and ModuleBus connectivity, supporting 3‑wire connections, return terminals, and fused transducer power outlets. The unit simplifies installation and maintenance, making it ideal for industrial automation systems that demand high reliability and flexibility.
Technical Data
| Parameter | Specification |
|---|---|
| Product Type | Extended Module Termination Unit (MTU) |
| Model Number | TBU838 |
| Dimensions (W × D × H) | 200 × 327 × 267 mm |
| Weight | 0.375kg |
Key Features
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Reliable I/O termination: Up to 16 channels with secure wiring.
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Fused power distribution: Safe operation via fused transducer outlets.
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ModuleBus connectivity: Distributes ModuleBus signals to downstream modules.
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Flexible wiring: Supports 3‑wire connections, return terminals, and L+/L– terminals.
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Compact, robust design: Suitable for industrial environments and DIN rail or horizontal mounting.
Typical Applications
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Process industries: Chemical, oil & gas, and pharmaceutical plants requiring reliable I/O termination.
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Power generation & utilities: Substation automation and plant control systems.
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Manufacturing automation: Production line monitoring and control with distributed I/O.
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Infrastructure systems: Water treatment and transportation automation requiring robust signal termination.
FAQ
Q1: What is the primary function of the ABB TBU838?
A1: It connects field devices to I/O modules and distributes ModuleBus signals.
Q2: How many channels does it support?
A2: Up to 16 I/O channels, each rated for 50 V and 3 A.
Q3: Does it provide fused power distribution?
A3: Yes, it includes fused transducer power outlets for safe and reliable operation.
Q4: How is it mounted?
A4: It can be mounted horizontally or on a DIN rail, depending on installation needs.
Q5: Where is it typically used?
A5: In System 800xA installations across process industries, utilities, and infrastructure automation.
| 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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