QCC37 series DC electromagnetic contactorDetailed product description：

Purpose and conditions of use
QCC37 DC electromagnetic contactor is suitable for use as a non-polar switch in industrial and mining electric locomotives, subways, light rail vehicles, railway traction locomotives, and passenger vehicles. It is used as a tap changer contactor and unit control contactor in the main and auxiliary circuits. These contactors are specially designed to withstand various extremely harsh working conditions encountered in electric traction locomotives. This type of contactor can also be used in heavy-duty equipment in mining and steel industries.

Technical data of QCC37 series DC electromagnetic contactor

project	Technical data
Rated voltage Un (V)	one thousand and five hundred	eight hundred
Maximum operating voltage (V)	one thousand and eight hundred	one thousand
Rated current Le (A)	six hundred	eight hundred
Maximum breaking current (A)	2400（T=15ms）	3200（T=15ms）
Closing time (ms)	≈100
Disconnecting time (ms)	≈50
Mechanical lifespan (times)	3×10six
Electrical lifespan (times)	tenfour
Contact pressure (N)	55~75
Contact opening distance (mm)	14.5～16.5
Control power supply (V)	DC110
Control power (W)	thirty
Weight (Kg)	twelve

QCC37 series DC electromagnetic contactor