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Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga) buy in Rjazan
Buy Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga)
Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga)
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Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga)

In stock
Price:
1600 RUB
Wholesale:
  • 1400 RUB/pcs  - from 50 pcs
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  • Cash,
  • Invoice payment,
  • Cash on delivery
  • In detail
Shipping:
  • Customer pickup,
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Seller
Russia, Rjazan
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+7(4 
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Less than 1 year old on Allbiz
Technical characteristics
  • BrandНПП «МАГНИТО-КОНТАКТ»
  • Country of manufactureRussia
Description

Passport

Certificate of compliance with the requirements of the Technical Regulations of the Customs Union TR CU 012/2011 "On safety of equipment for operation in explosive atmospheres" No. EAEU RU C - RU. BH02.B.00141 / 19. Valid from 07/03/2019 to 07/02/2024

General information

Boxes KVSK - Ex "SEVER" are intended for connection to a power source and recording equipment having intrinsically safe electrical circuits in accordance with GOST 31610.11 - 2014 (IEC 60079 - 11: 2011) and intrinsically safe parameters (level of an intrinsically safe circuit and a subgroup of electrical equipment) corresponding to the conditions of use of boxes in an explosive area.

Boxes KVSK - Ex "SEVER" refers to explosion - proof electrical equipment of group II GOST 31610.0 - 2014 (IEC 60079 - 0: 2011) and is intended for use in hazardous areas in accordance with the established explosion protection marking, the requirements of TR CU 012/2011, GOST IEC 60079 - 14: 2013.

Possible explosive areas of application of boxes KVSK - Ex "SEVER", categories of explosive mixtures of gases and vapors with air in accordance with the requirements of GOST IEC 60079 - 10 - 1 - 2011, GOST IEC 60079 - 20 - 1 - 2011, other regulatory documents regulating the use electrical equipment in hazardous areas.

When ordering, the designation of the junction box consists of the product name, order code, and TU designation. The order code defines the modification of the product and is chosen by the customer according to Appendix B.

Boxes KVSK - Ex "SEVER" are produced in black .

Main parameters and characteristics

Explosion protection marking according to GOST 31610.0 - 2014 (IEC 60079 - 0: 2011) 0Ex iа IIC T6 Ga
Maximum intrinsically safe input parameters - voltage Ui, V, no more than 30;
- current Ii, mA, no more than 100;
- power Pi, W, no more than 1.2;
- internal inductance Li, μH, no more than 10;
- internal capacitance Ci, pF, no more than 50
Sheath protection degree according to GOST 14254 - 2015 IP66 / IP67
Transient resistance of two contacts, Ohm no more than 0.3
Operating temperature range, ° С - 55 . . . 60
Maximum relative air humidity, at t + 40 ° С, % no more than 93
Weight, kg no more than 1.2
The overall dimensions of the junction box are given in Appendix A.
Average service life, years not less than 10
Diameter of the connected conductors terminal block PM2 up to 4 mm 2 (AWG 22 - 10) 300V 30A,
terminal block T31 up to 2.5mm 2 (AWG 22 - 14)
Electrical connections between terminal blocks are presented in Appendix B. Type of terminal blocks, diameter of the connected cable and are selected based on the needs of the customer, according to the ordering example.
The box is protected against tampering with the output of the sensor contacts to a separate terminal block.

Completeness

  • junction box - 1 pc.
  • passport - 1 pc.
  • individual packing - 1 pc.

Description of construction

Structurally, the junction box is made in an antistatic plastic casing with a surface resistance of no more than 109 Ohm / cm 2 at a temperature (23 ± 2) oC and relative humidity (50 ± 5)% in accordance with GOST 31610.0 - 2014 (IEC 60079 - 0: 2011 ).

The product body can be:


- equipped with sealed plastic cable glands up to 8 pcs. (with a diameter of the connected cable from 9 to 14 mm or from 11 to 17 mm);
- hermetically sealed MKV bushings (see table 1, table 2) made of stainless steel 12X18H10T, designed for various cable routing options.
- at the request of the customer, the KVSK - Ex case can be simultaneously equipped with MKV bushings with various types of cable glands intended for connecting various types of cables.

 

Table 1. Types of cable glands MKV (conventional designation of thread M20)

TYPE OF CABLE INLET MKV SYMBOL CABLE PASSING DIAMETER, MM
Open cable routing MKV М20К 6 - 12
Pipe with G1 / 2 thread MKV М20Т1 / 2 6 - 12
Pipe with G3 / 4 thread MKV М20Т3 / 4 6 - 12
Metal hose RZTs 10 mm MKV М20КМ10 6 - 8
Metal hose RZTs 12 mm MKV М20КМ12 6 - 10
Metal hose RZTs 15 mm MKV М20КМ15 6 - 12
Armored cable MKV M20V 6 - 12
Double Sealed Armored Cable MKV M20V2 6 - 12

Table 2. Types of cable glands MKV (conventional designation of thread M25)

TYPE OF CABLE INLET MKV SYMBOL CABLE PASSING DIAMETER, MM
Open cable routing MKV M25K 10 - 14
Pipe with G3 / 4 thread MKV М25Т3 / 4 10 - 14
Metal hose RZTs 20 mm MKV М25КМ20 10 - 14
Metal hose RZTs 25 mm MKV М25КМ25 10 - 14
Armored cable MKV M25V 10 - 14
Double Sealed Armored Cable MKV М25V2 10 - 14

Mounting dimensions are given in Appendix A.

A printed circuit board is installed inside the product body, on which there are screw terminal blocks for connecting the connected conductors.

Explosion protection

Electrical clearances, creepage distances and dielectric strength of the box insulation meet the requirements of GOST 31610.0 - 2014 (IEC 60079 - 0: 2011).

The boxes do not contain electrical components capable of storing energy hazardous to ignite Category IIB and IIC gases.

Frictional and electrostatic intrinsic safety of box bodies is ensured by the choice of construction materials.

The maximum heating temperature of the surface of the box body does not exceed the permissible values for the temperature class T6 in accordance with GOST 31610.0 - 2014 (IEC 60079 - 0: 2011).

The design of the box body provides a degree of protection not lower than IP66 / IP67 in accordance with GOST 14254 - 2015.

The enclosures are marked with explosion protection, the necessary warning labels.

Terms of use

KVSK - Ex boxes belong to explosion - proof electrical equipment of group II in accordance with GOST 31610.0 - 2014 (IEC 60079 - 0: 2011) and are intended for use in hazardous areas in accordance with the established explosion protection marking, requirements of TR CU 012/2011, GOST IEC 60079 - 14 : 2013, other regulations governing the use of electrical equipment in hazardous areas.

Possible explosive areas of use of boxes, categories of explosive mixtures of gases and vapors with air in accordance with the requirements of GOST IEC 60079 - 10 - 1 - 2011, GOST R IEC 60079 - 20 - 1 - 2011, other regulatory documents regulating the use of electrical equipment in hazardous areas.

Boxes must be connected to equipment having intrinsically safe electrical circuits in accordance with GOST 31610.11 - 2014 (IEC 60079 - 11: 2011) and intrinsically safe parameters corresponding to the conditions of use of boxes in an explosive area.

Placement and installation

- Unscrew the cover fixing screws, remove the cover.

- Check that the cable glands are securely fastened and ensure that the rubber seals are present.

- Feed the cable through the cable gland. Fasten securely inside the cable gland. To ensure a tight seal, the cable gland O - ring must be tightly fastened. Free the insulated cable cores from the outer insulation and cut off the ends of the inner insulation to a length of 8..10 mm. Connect the cable conductors to the terminals of the terminal block. Put on the cover, tighten the fastening bolts.

Maintenance and repair

When servicing the system, which includes the box on a regular basis, at least once every 6 months, check the integrity of the cable glands, supplied conductors and the box body. Repair of the box by the consumer, as well as by the organization that performed the installation is PROHIBITED

To avoid the build - up of hazardous electrostatic charges on the surface of the enclosure, DO NOT wipe or clean the enclosure site or expose it to a ventilated air stream containing dust particles that may electrify the exterior.

It is necessary to wipe and clean the junction box from dust and perform other routine maintenance only outside the hazardous area of the premises.

Junction box KVSK Appendix A. Appearance, overall and installation dimensions of the junction box Appendix B. Electrical connections on the junction box board Appendix C. Description of ordering the junction box Junction box KVSK Junction box KVSK

Order examples

KVSK - Ex "SEVER" ABS.8.PS.9 - 14.T31. PASHK. 685552.002 TU.


With this order code, the consumer will be supplied with a box in a polystyrene casing with plastic cable glands in the amount of 8 pcs. , With a cable diameter of 9 - 14 mm, with T31 terminals.

 

KVSK - Ex "NORTH" ABS.4.PS.14 - 17.PM2. PASHK. 685552.002 TU.


With such an order code, the consumer will be supplied with a box in a polystyrene casing with plastic cable glands in the amount of 4 pcs, with a connecting cable diameter of 14 - 17 mm, with PM2 terminals.

 

KVSK - Ex "NORTH" ABS.8.MKV М20К.6 - 12.РМ2. PASHK. 685552.002 TU.


With this order code, the consumer will be supplied with a box in a case made of ABS plastic with cable glands MKV M20K (for open cable routing) made of stainless steel in the amount of 8 pcs. , The diameter of the connected cable is 6 - 12 mm, with terminal blocks PM2.

 

KVSK - Ex "SEVER" ABS.6.MKV М25КМ20.10 - 14.Т31. PASHK. 685552.002 TU.


With this order code, the consumer will be supplied with a box in a case made of ABS plastic with cable glands MKV M25KM20 (for laying a cable in a metal hose RZTs20) made of stainless steel in the amount of 6 pcs. , A cable diameter of 10 - 14mm, with T31 terminals.

 

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Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga)
Junction box KVSK-Ex "North" (explosion protection marking 0Ex iа IIC T6 Ga)
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