AZJ100 Normally Closed Contactor

Normally Closed Contactor is an essential component used in electrical circuits and control systems. It is a type of contactor that is designed to be closed in its resting state and opens when an external control signal is applied.

Characteristics

, Continuous 100A Load;
2, with a set of normally open or normally closed contacts;
3, coil power consumption ≤ 6W;
4, insulation resistance of 100MΩ(1000VDC), withstand voltage of 3.5kV between contact and coil;
5, IP protection grade: IP20;
6, conforming to IEC 60664-1,GB/T14048.1 and GB/T14048.4 requirements;
7, meet RoHs(2002/95/EC) requirements;
8, safety certification: CE, CCC;

Application

Application: Electronic control systems such as communication power supply equipment, frequency converter, construction machinery, battery car, electric forklift, automobile, train, ship, uninterrupted power supply, etc.

Keyword： AZJ100 Normally Closed Contactor

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Product Details

For a long time, the company has won extensive trust and support from customers with its ever-increasing innovation capabilities, stable quality assurance capabilities, professional customization capabilities, timely delivery capabilities and high-quality after-sales service system. Volkswagen, Komatsu, Dongfeng, GOODWINCH, TMAX and other major companies have formed close strategic partnerships.The company has strong research and development capabilities, precise production equipment, advanced production technology, sophisticated testing equipment and a million-level purification workshop. There are more than 20 series of products with a total of more than 1000 specifications, such as high and low voltage DC contactors, power switches, connectors, etc, it is widely used by customers in new energy electric vehicles and supporting charging stations and charging piles, photovoltaic and wind power generation systems, energy storage power stations, battery packs, electric forklifts, electric winches, battery cars, electric locomotives, UPS, medical equipment, communication power supplies, Inverter, power backup and other fields, and are exported to Asia, Europe and America.Today, all Okai people are refreshed and enterprising! Facing the market and customers, we have only one promise: Okay, let the electricity be in control!

Normally Closed Contactor is an essential component used in electrical circuits and control systems. It is a type of contactor that is designed to be closed in its resting state and opens when an external control signal is applied. Here are three key points about Normally Closed Contactors:

1. Functionality: Normally Closed Contactors are widely used for safety and emergency shutdown applications. When no control signal is present, the contactor's normally closed contacts are connected, allowing the flow of current through the circuit. However, when the control signal is provided, the coil in the contactor becomes energized, causing the normally closed contacts to open and interrupt the current flow. This feature ensures that power supply to a specific system or device is cut off in emergency situations.

2. Applications: Normally Closed Contactor find extensive applications in various industries, including manufacturing, process control, HVAC (heating, ventilation, and air conditioning), and power distribution systems. They are commonly used in motor control circuits to stop or limit the operation of motors in case of overloads, malfunctions, or emergencies. Normally Closed Contactor are also employed in safety systems such as emergency stop buttons and door interlocks to ensure the safety of personnel and equipment.

3. Advantages: Normally Closed Contactors offer numerous advantages in electrical systems. They provide fail-safe operation by default, as the contacts are normally closed in the absence of control signals. This ensures that the controlled system remains inactive until a control signal is received, making them ideal for critical applications where safety is paramount. Additionally, Normally Closed Contactor are typically designed for robustness and durability, allowing them to handle high current loads and withstand harsh operating environments.

Overall, Normally Closed Contactors play a vital role in ensuring safety and efficient operation in various electrical systems. Their ability to provide fail-safe operation, combined with their wide range of applications, makes them an important component in modern control systems.

Main Load Contact Parameters
Contact Form	1K(1NO), 1B(1NC)
Contact Resistance	≤ 0.5 mΩ(at 100A)
Contact Voltage Drop	≤ 80mV
Insulation resistance	≥ 50MΩ
Overload current	≤ 7le,≯ 1s
temperature	-40 ℃ ~ 80 ℃
load end lead-out type	M6 external thread
vibration	3.5g,10~200Hz,1/2 Sine Wave (Energization)
Overall Dimension	70mm * 40mm * 72.6mm
Working Form	Short/Long Time
Load Durability (Resistance) a	≥ 20000 Times
Load Wiring Torque	6-8N.m

performance parameters (at23 c)
pull-in voltage		≤ 70% Us
release voltage		5%-40% Us
pull-in time		≤ 30ms
contact bounce time		≤ 5ms
release time		≤ 30ms
dielectric withstand voltage	main contact	50Hz/60Hz 1500VAC/1min
	main contact and coil	50Hz/60Hz 1500VAC/1min
Insulation Resistance	Initial State	100 MΩ 1min c
	Electrical Life	50MΩ 1min
Impact	Stability	20g (Power on)
	strength	50g
mechanical durability		≥ 100000 times
coil connection torque		1.2-2.0N.m