TB820 3BSE008555R1 | ABB | Module Bus Modem

Product Overview

The ABB TB820 3BSE008555R1 Module Bus Modem provides communication between controllers and I/O modules in distributed automation systems. Engineers use this modem to ensure stable data transfer across ModuleBus networks. This product is 100% brand new original ABB equipment, manufactured in Sweden and Switzerland, and designed for seamless integration into ABB control architectures.

Technical Specifications

Engineering Advantages

• Hot-Swap Replacement: Engineers replace TB820 without shutting down the system, minimizing downtime.

• Compact Form Factor: Slim dimensions allow installation in space-constrained control cabinets.

• Improved Compatibility: TB820V1 and TB820V2 versions replace earlier models without changes, ensuring backward compatibility.

• Enhanced Isolation: 24V rated isolation up to 50V protects communication circuits against electrical disturbances.

• Direct Integration: Designed specifically for ABB ModuleBus networks, eliminating the need for external adapters.

FAQs

• Q: Can TB820 replace older product IDs?  
  A: Yes, TB820 replaces QF63941450-1, and TB820V1/V2 versions maintain full compatibility.

• Q: What isolation rating does TB820 provide?  
  A: It provides 24V rated isolation with up to 50V protection.

• Q: Does TB820 require rewiring during replacement?  
  A: Yes, TB820V2 requires replacing the power cable connector and rewiring for proper installation.

• Q: Is this product refurbished?  
  A: No, TB820 3BSE008555R1 is supplied as brand new original ABB equipment.