ABB 1TGB302003R0003 disconnector

ABB 1TGB302003R0003 Overview

The ABB 1TGB302003R0003 is a high-performance circuit breaker or switch-disconnector designed for safe and reliable power distribution in industrial, commercial, and infrastructure applications. Part of ABB’s Terra series or low-voltage switchgear portfolio, this device ensures protection against overloads, short circuits, and electrical faults while enabling manual or motorized control of electrical circuits. Its robust design and compliance with international standards make it suitable for demanding environments.

Key Technical Specifications

1. Electrical Ratings
   • Rated Voltage: AC 690 V / DC 440 V (depending on configuration).
   • Rated Current: Adjustable range up to 630 A (specific model-dependent).
   • Breaking Capacity: High short-circuit breaking capacity (e.g., 50 kA at 400 V AC).
2. Mechanical Design
   • Poles: 3-pole or 4-pole configurations.
   • Mounting: Fixed or plug-in design for easy installation.
   • Enclosure: IP40 (dust-resistant) or higher for harsh environments.
3. Operational Features
   • Manual or Motorized Operation: Supports remote control via motorized actuators.
   • Padlocking: Safety lockout/tagout (LOTO) capabilities for maintenance.
4. Protection & Safety
   • Overload and Short-Circuit Protection: Integrated thermal-magnetic trip unit.
   • Arc Fault Protection: Optional arc detection for enhanced safety (if equipped).
   • Standards Compliance: Meets IEC 60947, UL 489, and CE standards.
5. Environmental Resilience
   • Operating Temperature: -25°C to +70°C.
   • Humidity Tolerance: Up to 95% non-condensing.

Core Functionalities

1. Circuit Protection
   • Automatically interrupts fault currents to protect equipment and personnel.
   • Adjustable trip settings for tailored protection in diverse applications.
2. Isolation & Switching
   • Acts as a disconnector to safely isolate circuits during maintenance.
   • Supports load switching for operational flexibility.
3. Integration with ABB Systems
   • Compatible with ABB’s Emax or Tmax circuit breaker series for scalable solutions.
   • Interfaces with ABB’s Ability™ digital platforms for smart grid monitoring.
4. Diagnostics & Monitoring
   • Optional communication modules (e.g., Ekip Touch) for real-time status updates.
   • LED indicators for visual fault alerts and operational status.

Typical Applications

• Industrial Plants: Main or sub-distribution panels for machinery and motors.
• Renewable Energy: Integration into solar PV systems or wind turbine switchgear.
• Data Centers: Critical power distribution and fault protection.
• Infrastructure: Use in hospitals, airports, and commercial buildings.

Advantages

• High Reliability: Engineered for long-term performance in extreme conditions.
• Flexibility: Modular design supports customization with accessories (shunt trips, auxiliary contacts).
• Safety Compliance: Ensures compliance with global electrical safety standards.
• Energy Efficiency: Minimizes energy loss through optimized contact materials.