JQ-7 type high-power relayDetailed product description：

1、 Purpose:
The JQ-7 series electromagnetic relay belongs to the category of small high-power contactors, widely used as three-phase, single-phase, and DC power switching components in various automatic control devices such as military products, various communication power equipment, various voltage regulators, film and television equipment, machine tools, etc.
This relay has multiple contact forms, high control power, arc isolation and dust prevention performance, and reliable operation. It can also produce various special specifications of products according to user needs.

2、 Usage conditions
Environmental temperature: -40 to+50 ℃
Relative humidity:+20 ℃ up to 98%
Atmospheric pressure: 86-106kPa
Work location: Any

3、 Main technical characteristics of JQ-7 high-power relay
1. Coil power supply: DC
2. Coil power consumption: 4W
3. Insulation resistance: normal temperature and humidity: 500M Ω, high temperature: 10M Ω
4. Dielectric withstand voltage: 2000VAC (AC 50Hz effective value) between disconnected contacts and between yoke and coil
5. Vibration intensity: 15Hz, single amplitude 0.75mm
6. Impact strength: 150m/s ² 1000 times
7. Lifespan: Single contact load resistance: 50Hz, 380VZC, 40A, 30A, 25A, 15A, 100000 cycles
8. Weight:<260g Closed<350g

4、 Specification Data Sheet

Specification number	contact form	Contact load	Rated voltage V	Coil resistance Ω	Pull in voltage V
27-3H1Z	3H1Z	50Hz 38VAC 40A 30A 25A 15A 50Hz 220VAC 50A 40A 30A 20A 5A	twenty-seven	180±10%	≤20
48-3H1Z	3H1Z		forty-eight	1200±10%	≤36
24-3H1Z	3H1Z		twenty-four	140±10%	≤18
24-3D1Z	3D1Z
24-3H	3H
24-3H3D	3H3D
24-2H2D	2H2D
24-2Z2D	2Z2D
24-2H2Z	2H2Z
24-4H	4H
24-2Z	2Z
12-3H1Z	3H1Z		twelve	140±10%	≤9
12-3D1Z	3D1Z
12-3H	3H
12-3Z3D	3Z3D
12-2H2D	2H2D
12-2Z2D	2Z2D
12-2H2Z	2H2Z
12-4H	4H
12-2Z	2Z

5、 Example of ordering specifications


JQ-7 type high-power relay appearance and installation dimensions

JQ-7 type high-power relay