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PRK-32 series contactors of the IEK trademark are designed for the control and protection of three-phase asynchronous electric motors against overload, short circuits, and single-phase operation. They combine several functions: "Motor Protection Circuit Breaker" functions and manual starter functions.
They are used in industrial facilities, agriculture, and construction. It is also possible to use them for local control of individual electric motors, and in the automation of residential and administrative buildings.
Application category AC-3.
In terms of their design and technical characteristics, PRK series push-button contactors comply with the requirements of Russian and international standards GOST R 50030.2-99, GOST R 50030.4.1-2002.
PRK series push-button contactors have passed certification tests, and a certificate of conformity ROSS S-ME01.V04759 has been obtained for their serial production.
Relay types: RTI-3353; RTI-3355 RTI-3357; RTI-3359 RTI-3361; RTI-3363 RTI-3365.
Weight
≤ 0.26 кг
Height
90.0 мм
Height
90.0 мм
Depth
81.0 мм
Overload protection device setting range to
18 А
Setting range of overload protection device from
13...18 А
Instantaneous short-circuit release setting range to
180 А
Instantaneous short-circuit release setting range from
- А
Tripping - protection class
10
Climatic version
UKhL3.1
Number of poles
3
Switching overvoltage
≤ 8000
Design
Built-in device for built-in appliances
Rated impulse withstand voltage
8
Rated power for motor control in AC-3 application, 230 V
4.00
Rated motor power for AC-3 application 400V
7.50
Rated motor power in AC-3 application 660V
11.00
Rated ultimate short-circuit breaking capacity Icu 230 V
100
Rated short-circuit breaking capacity Icu 400V
15
Rated ultimate short-circuit breaking current Icu 660 V
3
Rated service short-circuit breaking current Ics, 400 V
7.5
Rated service short-circuit breaking capacity Ics 660 V
2.25
Rated frequency
50
Rated ultimate breaking capacity Icu at 400V AC
15 кА
Rated voltage
230/400/600 В
Rated insulation voltage Ui
690 В
Rated voltage at
660 В
Rated current
18.0 А
Rated continuous current Iu
18 А
Application in environment
V
Repairability
No
With overheating protection
Yes
Tripping system
Thermal-magnetic
With built-in auxiliary switch
No
With built-in undervoltage release
No
Mounting method
On DIN rail
IP protection rating
IP20
Operating temperature from
-25...40 град.C
Connection type
Screw connection
Main electrical circuit connection type
Screw connection
Electromagnetic release setting
223.0
Phase failure sensitive
Yes
Width
44.5 мм
Electrical or mechanical endurance
10000
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