Feature:1. Safe Insulation: The Interlock circuit breaker is safe and insulated, with an overall flame retardant, highly adaptable to the environment, which meets the needs of all kinds of applications and can operate reliably even in harsh environments.2. Visual Indicator Window: The 4P Interlock circuit breaker has a visual indicator window, so that power can be turned on and off at a glance, avoiding misoperation.3. Rail Mounted: This 4P interlock circuit breaker features tight clips to securely hold the rail, or it can be mounted with screws.4. Short Circuit Protection: This interlock circuit breaker has multiple protection features such as safety protection, short circuit protection, overload protection, high breaking capacity, etc.5. Continuous Power Supply: The 4P miniature circuit breaker is designed with a dual power interlock air transfer switch, which enables the safe transfer of electrical power between two sources. This feature ensures reliable and continuous power supply, reducing the chances of downtime and equipment damage caused by power fluctuations.Specification:Item Type: 4P Miniature Circuit BreakerMaterial: PC flame retardantRated Current: 63ARated Voltage: 400VFunction: Short circuit, overload protectionInstallation Method: Rail MountedNumber of Levels: 4PFrequency: 50hzBreaking Capacity: 4500A.Package List:1 x4P Miniature Circuit Breaker