CZ22-63 DC contactor model and its meaning

scope of application
The CZ22-63 DC contactor is suitable for connecting and disconnecting circuits, as well as frequently starting and controlling DC motors in DC power systems with DC voltage up to 440V and current up to 63A.
meet the standard
Equivalent to IEC60947-4;
Compliant with GB14048.4.
working conditions
The altitude does not exceed 2000m; the upper limit of the surrounding air temperature is+40 ℃, and the average value within 24 hours does not exceed+35 ℃, with a lower limit of -5 ℃; When the relative humidity of the air does not exceed 50% at a maximum temperature of+40 ℃, and the monthly average minimum temperature does not exceed+25 ℃, the average maximum relative humidity of the month does not exceed 90%; The pollution level is level 3; Places without significant shaking and impact vibration; In a medium without explosive hazards, and without any gas or conductive dust that can corrode metals or damage insulation in the medium; There are rain and snow protection equipment and places without sufficient water vapor.
Specification and classification
Basic specifications: 63A.
According to the voltage level of the control coil, there are five specifications: AC50HZ, 380V, 220V, 127V, 110V, and 36V;
rated duty
eight-hour day Uninterrupted work system; Intermittent cycle work system:
The maximum operating frequency at a load factor of 40% is 1200h-1 for DC-2 and DC-4 usage categories, 600h-1 for DC-3, and 300 h-1 for DC-5.
Short term working system: The standard values for the contact electrification time are 10, 30, 60, and 90 minutes.

Main technical parameters

CZ22-63 type DC contactor