Features: Used for testing electric equipment such as electricity meter, electric instrument and relay protection under load, ensuring personal operation safety and improving work efficiency. Effectively prevent the leakage of electric energy meter. Good sealing performance, water-proof, long service life. It has many advantages such as high impact strength, anti-aging, non-water absorption, flame retardant and high temperature resistance. A good helper of electric energy metering device. Specification: Condition: 100% brand new Weight: approx. 500g/21.2oz Model: #01 without electric box cover; #02 with electric box cover (Optional) Rated insulation voltage: 660V, 50Hz/60Hz Rated current: 5A (20A) Power frequency withstand voltage; 3000V/min Insulation resistance: >30MQ Ambient temperature: - 40℃ to + 60℃ Package List: 1 x Junction Box 1、Used for testing electric equipment such as electricity meter, electric instrument and relay protection under load, ensuring personal operation safety and improving work efficiency. 2、Effectively prevent the leakage of electric energy meter. 3、Good sealing performance, water-proof, long service life. 4、It has many advantages such as high impact strength, anti-aging, non-water absorption, flame retardant and high temperature resistance. 5、A good helper of electric energy metering device.