ADH250 high voltage relay

The high voltage relay is an advanced electrical component designed to control and switch high voltage circuits. The high voltage relay is specifically designed to handle and regulate voltages above the standard range, typically ranging from 1kV (kilovolt) to 145kV. It is utilized in industries including power generation, transmission, distribution, and automation.

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, 250A 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： ADH250 high voltage 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 high voltage relay is an electrical switching device that is used to control and protect high voltage circuits. It is designed to handle high voltage levels and currents, typically above 1 kilovolt (kV). The relay operates by opening or closing its contacts, allowing or interrupting the flow of electricity in the circuit.

The main purpose of a high voltage relay is to isolate a fault or abnormal condition in the circuit and protect the connected equipments from any potential damage. These relays are commonly used in power transmission and distribution systems, as well as in industrial applications where high voltage supplies are required.

High voltage relays are built to withstand high electrical stresses and to provide reliable switching operations. They are usually equipped with features such as arc-quenching mechanisms and insulation systems to ensure safe and efficient operation. Additionally, they can be controlled remotely through various control signals, making them suitable for automation and remote monitoring applications.

Overall, high voltage relays play a crucial role in ensuring the safety and reliability of high voltage electrical systems. Their ability to handle high voltage levels and provide effective protection makes them essential components in many industries and applications.

main load contact parameter
contact form	1K(1NO)
contact polarity	non-polarity
contact resistance	≤ 0.5mQ (at 300A)
maximum switching voltage	900VDC
Maximum breaking current	2000A(320VDC)1 time
Electrical durability a	1000 times (900VDC,200A)
	3000 times (750VDC,200A)
	9000 times (450VDC,200A)
Mechanical durability	300000 times
Electrical durability B	250A, continuous
	400A,20min
	500A,5min
	600A,1min

performance parameters (at23 c)
draw-in voltage		≤ 9.5V (12-36V)
		≤ 36.5V (48-72V)
release voltage		<7.2V,>> 3.6V (12-36V)
		<14.4V,>7.2V (48-72V)
pull-in time		≤ 25ms
contact bounce time		≤ 5ms
release time		≤ 6ms
medium withstand voltage	main contact	3500VAC 1min
	between main contact and coil	3500VAC 1min
insulation resistance	initial state	100MΩ 1min c
	after electrical life	50MΩ 1min
impact	Stability	20g (Power on)
	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		M8 External Thread
Weight		About 450g
overall dimensions		80mm * 52.5mm * 73.5mm

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