ABB REA101 Protection Relay 1MRS090416-AAA ARC

⚡ ABB REA 101 Protection Relay 1MRS090416-AAA ARC – Product Specifications and Datasheet

The ABB REA 101 (Part Number 1MRS090416-AAA ARC) is an advanced protection relay designed to safeguard electrical equipment from faults such as overcurrent, short circuits, and arc faults. This relay is an essential part of modern power distribution and automation systems, offering reliable and fast protection to minimize damage and enhance system safety. It provides precise monitoring and quick response to abnormal electrical conditions, making it ideal for industrial plants, utilities, and infrastructure projects.

ABB REA 101 protection relay 1MRS090416-AAA ARC

🛡️ Technical Specifications

Specification Details
Model Number REA 101
Part Number 1MRS090416-AAA ARC
Manufacturer ABB
Function Protection Relay for Overcurrent and Arc Fault Detection
Input Voltage Typical control voltage 24V DC
Current Rating Adjustable trip settings
Response Time Fast-acting fault detection
Communication Interface Standard industrial protocols
Mounting Panel or rack-mounted
Operating Temperature Range -20°C to 60°C
Dimensions Compact design for easy integration
Weight Approx. 0.7 kg

🔧 Key Features and Benefits

  • Detects and isolates faults quickly to prevent equipment damage
  • Provides arc fault detection for enhanced safety in electrical installations
  • Adjustable protection settings allow customization for different systems
  • Compatible with various industrial control and automation platforms
  • Compact size enables easy installation in control panels

🏭 Industrial Applications
The REA 101 relay is widely used in electrical distribution systems for factories, power stations, and commercial buildings. It protects transformers, feeders, motors, and other critical equipment from damage due to electrical faults. As industries move towards more automated and interconnected power networks, reliable protection relays like the REA 101 help ensure system stability and compliance with safety standards.

With the ongoing advancement of smart grids and Industry 4.0, protection relays have become integral components for monitoring and controlling electrical power quality. They not only improve operational safety but also support predictive maintenance and remote monitoring functions.

🏢 Zhangzhou Fengyun Electric Equipment Co., Ltd. is a leading supplier of ABB automation and electrical products. The company specializes in high-quality industrial components, backed by strong export experience and excellent after-sales support. For inquiries, please contact Sales Engineer Amy at 15359029662.

🔗 Official Website
🔗 Product Catalog


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For further assistance, technical advice, and pricing information, please contact our sales team. We provide professional support and timely delivery to meet your industrial automation needs.

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