Reliance Automation DBU-400 Industrial Control Module

The RELIANCE DBU-400 is a high-performance industrial control module designed for precise and reliable automation systems. It features robust design, efficient operation, and seamless integration into various industrial environments.

Reliance Automation DBU-400 Industrial UPS Module

The Reliance DBU-400 is a high-performance Uninterruptible Power Supply (UPS) module engineered for critical industrial automation systems. It delivers seamless power backup to protect sensitive equipment from voltage fluctuations, surges, and outages, ensuring continuous operation in manufacturing, data centers, and process control environments.

Technical Specifications

Parameter Value
Brand Reliance Automation
Input Voltage 90-264V AC
Output Voltage 220V AC
Output Frequency 50/60Hz ± 0.2%
Battery Type Sealed Lead Acid
Capacity 400VA
Transfer Time < 4ms
Efficiency Up to 95%
Communication RS-232/RS-485
Dimensions Compact industrial form factor
DBU-400 Front View
DBU-400 Installation
DBU-400 Interface

Applications & Compatibility

Ideal for safeguarding PLCs, HMIs, SCADA systems, and industrial servers in:

  • Manufacturing assembly lines
  • Data center infrastructure
  • Process control facilities
  • Telecommunications systems

Compatible with Reliance Automation control racks and third-party systems through standard DIN-rail mounting. Commonly paired with Reliance RMC-200 controllers and ProView HMI series.

Why Choose Apex Automation?

Founded in 2014, Apex Automation delivers ready-to-ship industrial solutions with expert technical support. Our services include:

  • Pre-sales engineering consultations
  • 1-year comprehensive warranty
  • Priority troubleshooting support
  • Custom configuration assistance

Contact us for pricing and availability: WhatsApp Support or Email Us. Can’t find your model? We source specialized industrial components within 72 hours.




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