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ABB 1HSB495663-2 Density Gauge / Density Monitor

Product Overview

ABB 1HSB495663-2 is a density gauge (density monitor) used in ABB high-voltage circuit breaker systems. It is designed to monitor the gas density condition inside high-voltage switchgear, ensuring reliable insulation performance and safe operation of circuit breakers. The component is commonly associated with ABB LTB145 series high-voltage circuit breakers and is used for monitoring insulating gas status.

Technical Description

The ABB 1HSB495663-2 density gauge provides continuous monitoring of gas density rather than only pressure, helping compensate for temperature variations and accurately indicating the actual insulation condition of the circuit breaker.

Key Features:

• Manufacturer: ABB
• Model Number: 1HSB495663-2
• Product Type: Density Gauge / Density Monitor
• Application: High-voltage circuit breaker gas monitoring
• Related Equipment: ABB LTB145D1/B circuit breaker (BLK222 operating mechanism)
• Function: Monitoring insulating gas density and providing indication/alarm signals when density decreases
• Design: Suitable for high-voltage switchgear environments
• Replacement Part: Original ABB spare component

Applications

ABB 1HSB495663-2 density gauge is widely used in:

• High-voltage circuit breakers
• Power transmission substations
• Electrical distribution systems
• Power generation plants
• Grid protection and switching equipment

It helps maintain the safe operation of high-voltage equipment by detecting abnormal gas density conditions that may affect insulation performance.

Product Advantages

• High measurement reliability and stability
• Designed for ABB high-voltage switchgear systems
• Improves circuit breaker safety monitoring
• Helps prevent insulation failures caused by insufficient gas density
• Suitable for demanding power industry environments

Conclusion

The ABB 1HSB495663-2 is a critical monitoring component for ABB high-voltage circuit breaker systems. As a density gauge, it provides accurate gas condition monitoring to improve equipment reliability, operational safety, and maintenance efficiency in power transmission and distribution applications.