Vacuum circuit breaker mecanism CT

gas-insulatedair-insulatedspring operated

Overview
The CT series cast spring operating mechanism is designed for 126 kV and 252 kV air-insulated (open-air) and GIS circuit breakers. It is also compatible with fluorine-free (eco-friendly) and vacuum circuit breaker applications and can be used in special environments such as offshore wind power. The unit supports flexible installation arrangements and can meet protection ratings up to IP55 and impact resistance IK10.

Category

• Components & machining — Operating mechanisms

Applications & advantages

• Suitable for 126 kV and 252 kV air-insulated (open-air) and GIS circuit breakers
• Compatible with fluorine-free (eco-friendly) and vacuum circuit breaker designs
• Applicable to special environments such as offshore wind power
• Flexible installation layout for integration with different equipment and site requirements
• Can achieve protection rating IP55 and impact protection IK10

Product description
This cast-type spring operating mechanism is engineered to provide spring energy storage and release for high-voltage circuit breakers. It delivers the required mechanical actuation and electrical switching interface to meet demanding environmental conditions and long-term operation needs.

Technical specifications

• Series: CT series
• Applicable voltage levels: 126 kV, 252 kV
• Applicable breaker types: air-insulated (open-air) circuit breakers, GIS; compatible with fluorine-free and vacuum breakers
• Application scenarios: conventional high-voltage power equipment and special environments such as offshore wind power
• Installation layout: flexible, configurable to equipment requirements
• Protection rating: up to IP55
• Impact protection rating: IK10
• Performance characteristics: robust structure, strong adaptability, stable long-term operation