ADH50 Contactor Relay

A contactor relay, also known as an electrical relay or simply a relay, is an essential component in electrical systems. It is designed to control the flow of electricity by opening or closing contacts based on the presence or absence of an electrical signal.

Features

1, high-strength epoxy resin sealing, no risk of arc leakage, ensuring no fire or explosion during life;
2, potting nitrogen-based gas, effectively preventing contact oxidation and burning, low and stable contact resistance, contact part can meet IP67 protection level;
3, 50A 25 ℃ long-term current carrying capacity;
4, insulation resistance up to 100MΩ(1000VDC), withstand voltage between contact and coil 3.5kV;
5, in line with IEC 60664-1,GB/T14048.1 and GB/T14048.4 requirements;
6, in line with RoHs(2002/95/EC) requirements;
7, safety certification: CE;

Keyword： ADH50 Contactor Relay

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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!

A contactor relay, also known as an electrical relay or simply a relay, is an essential component in electrical systems. It is designed to control the flow of electricity by opening or closing contacts based on the presence or absence of an electrical signal.

1. Function: A contactor relay serves as a switch that allows or interrupts the electrical current in a circuit. It typically consists of an electromagnet, which when energized, creates a magnetic field that pulls the contacts together, allowing the current to flow. When the electromagnet is de-energized, the contacts spring back into their resting position, breaking the circuit and stopping the current.

2. Applications: Contactors relays are widely used in various industries and applications. They are commonly found in HVAC systems, motor control circuits, lighting control systems, and industrial machinery. Contactors are particularly useful in controlling high-power loads or multiple electrical circuits simultaneously. They can handle significant voltages and currents, making them suitable for heavy-duty applications.

3. Advantages: Contactors relays offer several advantages over traditional mechanical switches. Since they are operated by an electromagnetic mechanism, they provide faster response times and have a longer lifespan compared to mechanical switches. Additionally, contactors can be remotely controlled, allowing for automation and integration with other systems. They also feature arc suppression technology, which helps prevent arcing and ensures reliable operation.

In summary, contactor relays play a crucial role in controlling electrical current in a wide range of applications. They offer efficient switching capabilities, high reliability, and the ability to handle high-power loads. Their versatility and remote control capabilities make them an indispensable component in modern electrical systems.

main load contact parameter
contact form	1K(1NO)
contact polarity	non-polarity
contact resistance	≤ 0.5 mΩ(at 50A)
maximum switching voltage	900VDC
maximum breaking current	800A(320VDC) once
electrical durability a	1000 times (900VDC,50A)
	3000 times (750VDC,50A)
	9000 times (450VDC,50A)
Mechanical durability	300000 times
Electrical durability B	50A, continuous
	130A,60min
	180A,5min
	300A,30S

performance parameters (at23 c)
pull-in voltage		≤ 70% Us
release voltage		<40% Us,>5% Us
pull-in time		≤ 25ms
contact bounce time		≤ 5ms
release time		≤ 10ms
dielectric withstand voltage	main contact	3500VDC 1min
	Main Contact and Coil	3500VDC 1min
Insulation Resistance	Initial State	100 MΩ 1min c
	Electrical Life	50MΩ 1min
Impact	stability	20g (energization)
	strength	50g
vibration		10g,10 to 500Hz,1/2 Sine Wave (Power on)
Humidity		5% ~ 95% RH
Temperature		-40 C ~ 85 C
Load End Lead End Type		M4 Internal Thread
Weight		About 230g
overall dimensions		55mm * 42mm * 64mm

auxiliary contact parameters
auxiliary contact form	1K/1B(1NO/1NC)
auxiliary contact rated current	5A
Auxiliary Contact Maximum Breaking Voltage	120VDC