Overview: Model QFJ6 power metering joint junction box is a special junction box for standard wiring of power metering devices. It is also suitable for secondary circuits with rated voltage up to 660V and rated current up to 20A. Used on site for safely replacing or inspecting electricity meters, electrical instruments, relay protection and other electrical equipment under load, ensures personal operation safety and improves work efficiency. 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: Material: Plastic & Metal Weight: approx. 500g/17.6oz Color: Transparent 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.