Features 1、Simpler Works: Supports both manual and auto operation as well as quick switching, which better guarantee reliable transmission. 2、Good Security: When the power supply is abnormal, the backup power supply works immediately to ensure the continuity and safety. 3、Practical Use: Composed of TSE and controller, used in testing and various places where continuous power failure is not allowed. 4、Safer for You: Comes with good isolation and anti interference performance, also enables self switching and self return for use. 5、Easy to Install: Specially designed for PZ30 distribution box, the DIN rail mount of this compact transfer switch is very easy. Specification Item Type: Transfer Switch Product Model: NLQ4-125/2P Switch Type: Secondary Power Distribution Rated Current: 100A Rated Frequency: 50Hz/60Hz Electrical Grade: PC grade isolation type. Electrical Service Life: 2000 times. Mechanical Service Life: 5000 times. Rated Short Circuit Current: 50kA SCPD (fuse): RT16-00-63A Correct Working Conditions: 85% Us-110% Us Auxiliary Circuit: 2pcs independent relay, each relay includes 2 sets of transformer contacts. Contact Capacity: AC220V 50Hz Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Off Time: <50ms Package List 1 x Transfer Switch