Model No.: WH
Type: Resistance Box, Meter Box
Warranty: 2 Year
Protection Level: IP67
Rated Load: >1000kg
Surface Treatment: Chroming
Productivity: 1000 Sets
Place of Origin: China
Supply Ability: 300 Sets Per Month
Certificate: ISO 9001 ISO 14001 OHSAS 18001 GB/T 19001-2008/ISO 9001: 2008
HS Code: 84314999
The AC contactor for crane is suitable for the circuit with frequency 50Hz and voltage to 690V. It is mainly used as the starting switch and commutation of AC motor. It has the characteristics of no spark, strong anti-interference ability, long service life and convenient maintenance. The crane contactor can completely solve the defects such as contact wear, adhesion, falling off, mechanical jam, short service life, phase loss of the motor and long-term power supply of the resistor, etc.
1. Application: Switching on and off circuit of cranes.
2. This crane contactor is able to operated high frequently, and maximum operating frequency up to 1200 times per hour.
3. Features of crane contactor: Long service life, high safety, multifunctional, environmental protection, multi-specification, Intellectualization, and communicable is the development trend of contactor.
4. Working temperature range -25 ° C ~ 55 ° C;
5. The altitude of the installation site does not exceed 2000M;
6. Air relative humidity does not exceed 90% (+20 ° C), 50% (+40 ° C);
7. The allowable fluctuation range of the power supply voltage: -20%~10%;
8. Working system is not greater than S3-60% (higher than S3-60% when derating is required);
9. Protection level: IP20.