Overview
The ABB SB821 Battery Unit is engineered to provide secure backup power for industrial automation systems. It is DIN‑rail mounted, lightweight, and optimized for long‑term reliability. Moreover, it plays a critical role in maintaining volatile memory and protecting essential configurations in ABB’s Advant OCS and AC 800M controllers. In addition, its robust design ensures dependable performance across diverse industrial environments, from chemical plants to power generation facilities.
Technical Data
| Specification | Value / Description |
|---|---|
| Product Type | Battery Unit SB821 |
| Dimensions | 136 × 59 × 86 mm |
| Weight | 0.5 kg |
Typical Applications
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Process industries: Ensures uninterrupted control of actuators, valves, and dosing systems.
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Power generation: Provides backup for turbine and boiler control systems.
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Chemical and pharmaceutical plants: Maintains recipe and batch data during outages.
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Water treatment facilities: Supports pump and mixer control systems.
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Manufacturing automation: Protects servo and proportional device configurations.
For instance, engineers often deploy the SB821 in distributed control systems where memory integrity is critical. Moreover, its compact footprint and ease of installation make it a preferred choice for retrofit projects and new automation lines.
FAQ
Q1: What is the primary function of the SB821?
A1: It provides backup power to CPUs and volatile memory, preventing data loss during outages.
Q2: Is the SB821 compatible with ABB’s AC 800M controllers?
A2: Yes, it is specifically designed for AC 800M and S800 I/O systems.
Q3: How is the SB821 installed?
A3: It is DIN‑rail mounted, allowing quick and secure installation in control cabinets.
Q4: What industries typically use the SB821?
A4: It is widely applied in power generation, chemical processing, water treatment, and advanced manufacturing.
| 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 |
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| 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. |
