Product Details
Description
The DO821 3BSE013250R1 is an 8-channel AC output module with triac switching, each channel individually isolated for safety. It handles AC loads up to 0.25 A, mounts on an MTU via ModuleBus, and supports hot-swapping for maintenance without system downtime in industrial applications.
Specifications
-
Manufacturer: ABB
-
Country of Origin: Switzerland
-
Model Number: DO821 (3BSE013250R1)
-
Product Type: Digital Output Module
-
Number of Channels: 8 (Individually Isolated)
-
Rated Output Voltage: 230 V AC
-
Voltage Range: 164 V to 264 V AC
-
Max. Continuous Current: 0.25 A per channel
-
Isolation: 2500 V galvanic isolation per channel
-
Switching Type: AC (Triac)
-
Interface: S800 ModuleBus
-
Weight: 0.35 kg
Features
-
Direct 230V AC Control: Capable of switching mains-level voltages directly, reducing the need for interposing relays in the control cabinet.
-
Per-Channel Isolation Architecture: Features independent galvanic isolation for every channel, providing superior protection against electromagnetic interference and ground loops.
-
Non-Mechanical Switching: Utilizes robust solid-state technology for AC switching, offering a longer operational life compared to traditional relay contacts.
-
S800 Hot-Swap Performance: Engineered for high-availability systems, the module can be safely replaced under power without interrupting the I/O station.
-
Industrial Diagnostics: Integrated front-panel LED indicators provide real-time status updates for each channel's state and general hardware health.
-
Enhanced System Safety: Built to rigorous industrial standards to protect the low-voltage control logic from high-voltage field-side transients.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
Industrial automation relies heavily on robust networking infrastructure to connect programmable logic controllers (PLCs), distributed control systems (DCS), and human-machine interfaces (HMIs). Modern factory automation environments generate vast amounts of real-time operational data across deterministic networks. Understanding the structural differences between hubs, switches, and routers ensures optimal traffic segmentation, minimizes latency, and maintains high network availability.
Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.
Voice-Activated Industrial Automation: Integrating Speech Control into PLC and DCS Architectures
Industrial automation integrates speech recognition, IIoT protocols, and NLP with PLCs and DCS to streamline operations. By leveraging advanced edge computing, engineers enable real-time, hands-free control—allowing personnel to manage smart factory processes safely away from hazardous equipment.