1Matching different bases for installation of 35mm rails. 2Wide scope range of the fluctuation of voltage between 85%~110%. 3Long mechanical life and electric life for a longer service life. 4High accuracy and low error,the repeat error is less than 1%. 5Compact and practical design makes it works more stable. Features: Matching different bases for installation of 35mm rails. Long mechanical life and electric life for a longer service life. High accuracy and low error,the repeat error is less than 1%. Compact and practical design makes it works more stable. Specification: Item Type:Timer Relay Delay Range: 3S Working Mode: Release Delay Repeat Error: 1% Number Of Contacts: 1 Set Of Delay Contacts Contact Capacity: AC220V 5A (Resistive) Mechanical Life: 1000000 Times Electrical Life: 100000 Times Package List: 1 x Timer Relay