China Best Electrical Contactor Factory – CAM8TA TMA Series Thermal Magnetic Adjustable Circuit Breaker – Changan Group

Outline

CAM8、CAM8TA、CAM8TMA、CAM8E series circuit breaker is the company combining with the advantages of the international Similar products and the demand of the market research and development level of the new version of the breaker.
This breaker’s rated in sulation volage is 690V,is applied to distribution network circuit of AC 50Hz,rated working voltage up to 690V,rated working current up to 800A,which is for electricenergy distribution,circuit protection,protection from unfrequent starting,over loading,short circuit and unervdtage of the motor.
This breaker has sueh characteristice of company volume,high short circuit interrupting capacty,shortflach arcing and etcwhich is a ideal product for user,This breaker can be installed vertically(upright),and also horizontally.
This breaker comply with standard IEC60947-2、GB14048.2.

Prdouct Features

Product volume miniaturization,such as new version 125A frame same as original 63A frame, can meet the customer’s personality needs of the product installation size.
The same shell level, different sub ability(S、H)、different functions (air,leakage)product installation size is completely consistent.
Circuit breaker can realize long-time delay overload inwerse time, short circuit instantaneous action protection functions such as paramets setting, users can set their own protective propeties required, the distribution network is used in the circuit breaker on the lower levet with more reasonable.

Suitabhe working encironment and installation condition

Altitude less than 2000m
Ambient medium temperature is from -50℃ to+40℃ (+45℃ for ship product)
Can withstand moist cuir
Can with stand mold
Can withstand nuclear radiation
Max incination is 22.5°
It can still work reliably if the product subjects to the normal vibration from ships
It can still work reliably if the product subjects to the earthquake(4g)
Put in the place where is no explosion danger and conductive dust, cant corrode metel and destroy the insnlation sleet
Put in the place where is no rain and snow