185 Amp 3 Phase AC Magnetic Contactor, 24V/110V/220V Coil

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$296.16

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Stock: In Stock
Model: RDDLZ-ACCON-185A
Weight: 1.00
SKU: RDDLZ-ACCON-185A

Available Options

Coil Rated Voltage

Auxiliary Contact

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RDDLZ 3 pole AC magnetic contactor is used in 3 phase units. This contactor relay works between power source and high load electrical motor to balance changes in electrical frequency which may come from a power supply.

Specification

Model		RDDLZ-CJX2-F185
Rated Current	le max AC-3 (Ue≤440V)	185A
Rated Current	le max AC-1 (θ≤40°C)	275A
Coil Rated Voltage (Optional)		110V AC, 220V AC, 380V AC
Contact Form		3NO
Auxiliary Contact (Optional)		2NO, 2NC, 1NO+1NC, 2NO+2NC, 1NC+3NO, 4NO, 4NC
Frequency		50Hz/ 60Hz
Rated Insulated Voltage (Ui)		1000V
Rated Impulse Withstand Voltage (Uimp)		8kV
Rated Operational Voltage		440V
Conventional Thermal Current (θ≤40°C)		275A
Operation Frequency	AC-1, AC-2, AC-3	1200 times/h
Operation Frequency	AC-4	300A
Rated Power (AC-3)	220/240V	55kW
	380/400V	90kW
	415V	100kW
	440V	100kW
	500V	110kW
	660/690V	110kW
	1000V	100kW
Connection/ Wiring	Number of Lines	2
	Line Size	25x3mm²
	Cable with Splicing	150mm²
	Cable with Connector	150mm²
	Screw Diameter	φ8
Tightening Torque		18N.m
Standards-Compliant		IEC60947-4-1, GB14048.4, EN60947-4-1
Dimensions		174 x 168.5 x 181mm
Weight		9.5kg

Details

Tips: Reasons for poor contact of the AC magnetic contactor

Poor contact of the AC contactor will increase the contact resistance between the moving and static contacts, resulting in excessively high temperature of the contact surface, and causing the surface contact to become a point contact, or even non-conduction. The reasons for this failure are: 　

There are oil stains, flower hairs, and foreign objects on the contacts. 　　
Because of long-term use, the surface of the contact is oxidized. 　　
Defects, burrs or metal swarf particles caused by arc ablation.
There is jamming in the moving part.

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