The low-voltage circuit breaker (formerly known as the automatic switch) is a switching device that can not only turn on and off the normal load current and the overload current, but also can switch on and off the short-circuit current. In addition to the control function, the low-voltage circuit breaker has certain protection functions, such as overload, short circuit, under voltage and leakage protection. There are many types of low-voltage circuit breakers, which are classified according to the type of use, selective (protective device parameters are adjustable) and non-selective (protective device parameters are not adjustable), according to arc extinguishing media, air and vacuum (currently domestic Mostly air type). Low-voltage circuit breakers have a wide range of capacities, from a minimum of 4A to a maximum of 5000A. Low-voltage circuit breakers are widely used in the feeding lines of all levels of low-voltage power distribution systems, power control of various mechanical equipment and control and protection of power terminals.
Cold storage room fast door are used to industrial warehouse applications, our cold storage doors combine the latest technology, premium materials and design features to meet the demanding requirements of the cold storage industry. Available as a sliding, swing and vertical lift door, all Cold Guard doors incorporate a tough and thermally neutral fiberglass reinforced pultrusion framework, extruded plastic polymer casings and Non-CFC foamed-in place polyurethane core. We understand the conditions that cold storage doors must endure. Superior design methods and non-corrosive materials ensure that Cold Guard will perform and look good for years to come!
The advantages of cold storage fast room door
Excellent Insulation Properties
Save Money on Temperature Costs
A Variety of Cold Room Options
Temperature Control and Efficiency
One of the most important benefits of our cool room panels is passive temperature control.
Safety for You Too
Not only are our cold room panels very hygienic, they also allow for superior safety. Their low allergenic qualities and enhanced seismic performance will protect you while you`re at work.
Cold Storage Room Fast Door,Freezer Room Fast Door,Freezer Room Insulated Fast Door,Thick Curtain High Speed Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffreezerdoor.com