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Cable KUIN
manufactured acc. to ТУ 3581-010-76960731-2008

KUIN cables are designed to be used in control, monitoring and alarm circuits, building digital databuses and instrument interconnections, and can also be applied as sensing wires for resistance thermometers (twisted "pair", "triple" and "quad" cables for 2, 3 and 4-wire connection circuit). The cables are designed for fixed and mobile installations, indoors and outdoors, if protected from direct exposure to solar radiation, on the shelves, in trays, chests, ducts, tunnels, in ground (trenches), and areas exposed to stray currents. "УФ" marked cables are UV-resistant cables that can be installed outdoors without solar radiation protection. The cables can be used in 0, 1, 2 explosive hazardous zones (in accordance with IEC 60079-14-2008 requirements), as well as in the nuclear power plant safety systems.

Cable design features, materials and types

  • Copper stranded (Class 3 or Class 4) conductor; twisted pairs, triples, quadrupoles; colour or digit conductor marking applied
  • Each separate twisted pair (triple, quadrupole) can be covered with separate or collective shield
  • Conductor cross section varying from 0,35mm² to 4mm²; number of conductors — from 1 to 61; number of twisted pairs — from 1 to 44, number of twisted triples — from 1 to 24, number of twisted quadrupoles from 1 to 14
  • Wide operating temperature range varying from —60° to +200°С
  • Cable marked with special "M" index is resistant to oil-and-petrol
  • Cable marked with "FR" index is a fire-resistant cable
  • Cable marked with "УФ" index is UV resistant
  • New materials are applied for "нг(A)-LS" and "нг(A)-HF" cable
  • Cable moisture protection technology is applied
  • Wide range of applications, including all explosive hazardous areas
  • Combined cable option — copper wires and optical fibers put together in a single cable

KUIN cables marked with "B", "П", "Пс", and "T" insulation and jacket material indexes are available with Class 3 and Class 4 stranded copper conductors respectively. Cables marked with "B" material index are made of PVC, while "нг(A)" material index stands for flame-retardant PVC composition used as a cable material, and "нг(A)-LS" material index means the cable material is flame-retardant and low-smoke. Cables marked with "П" material index have insulation and jacket made of halogen free ("нг(A)-HF") polymer compositions . Those cables insulation marked with "Пс" material index is made of xLPE and fully meet the "RS" standards for wave resistance (120 ohms). Cables marked with "T" material index have got insulation and jacket made of thermoplastic elastomer, so the cables have the increased flexibility and extended range of operating temperature. All cables can also be made as fire resistant ("FR") modification.

Cables are manufactured as body twisting or as unit twisting (twisted "pair", "triple" and "quadrupole" ). Cables can also feature a common and/or a separate shield for each twisted pair ("triple" and "quadrupole" ) made of braided copper wire or AlumoFlex (foil wrap with a drain wire), or may have no shield applied at all.

A water swelling tape is applied over the cable core in order to prevent the longitudinal moisture propagation. All cables have got a round cross-section and extruded substrate, making them fully compatible with requirements of art.9.3.1 IEC 60079-14-2008 as a result.

Cable marking when ordering:

КУИН * x * Э* Э* * - * - *
1 2 3 4 5 6 7 8 9 10 11
  • 1. КУИН cable copper-conductor cable
  • 2. Fire safety index * (see Table 1)
  • 3. The number of cores - following values should be added to the number of twisted conductors (pair, triple, quad):
    • "x2" - twisted pair
    • "x3" - twisted triple
    • "x4" - twisted quad
    See Table 2 for all possible combinations.
  • 4. Conductor cross-section (Table 2) 0,35..4 mm²
  • 5. "л" - tinned conductor*
  • 6. Twisted "pair" ("triple", "quad") single shield*:
    • "Э" - AlumoFlex
    • "Эм" - copper wires
    • "Эл" - tinned copper wires
  • 7. Cable insulation and jacket material indexes (see Table 1):
    • "В" - PVC
    • "П" - polymeric composition
    • "Пс" - xLPE
    • "Т" - TPE
  • 8. Commom shiled applied over conductor*:
    • "Э" - AlumoFlex (foil wrap)
    • "Эм" - copper wires
    • "Эл" - tinned copper wires
  • 9. Cable armour applied under outer jacket*:
    • "К" - wire armour
    • "Б" - tape armour
  • 10. Special cable indexes*:
    • "ХЛ" - cold-resistant (for "нг(A)" cable marked with "В" material index only)
    • "УФ" - UV resistant (for "нг(A)-HF" cable or cable marked with "Т" material index only)
    • "Т" - TPE with operation temperature of up to +200°С
    • "М" - oil-and-petrol resistant shiled (for "нг(A)-HF" cable or cable marked with "Т" material index only)
    • "с" - cable of blue colour
  • 11. * Optical fiber (combined cable) - see a separate leaflet for order details

* - optional fields

An example of cable marking when ordering:

Сable КУИН нг(A) 10x3x0,75 ВЭ-ХЛ ТУ 3581-010-76960731-2008
- the cable features ten unarmoured twisted triples of copper conductors with a cross-section of 0.75 mm² covered with a common foil wrap shield, including flame retardant (if group cable laying is applied) insulation and cold resistant (operating temperature ranging from -60° to +80°С) jacket made of PVC plastics.

Table 1. Fire safety index depending on jacket and insulation material

Jacket and insulation material index

Fire safety
index

Jacket and insulation material

Marking example

В

-
(no index)

insulation and jacket material - PVC plastic compound

КУИН 3x2x1,0 В

нг(A)

insulation material - PVC compounds;

jacket material - flame retardant PVC compound

КУИН нг(A) 16x1,0 ЭВК

нг(A)-LS

insulation and jacket material -

flame retardant and low smoke PVC compound

КУИН нг(A)-LS 6x3x2,5 ВЭ

нг(A)-FRLS

insulation and jacket material -

flame retardant and low smoke PVC compound. Fire-resistant cable

КУИН нг(A)-FRLS 5x3x2,5 В

П

нг(A)-HF

insulation and jacket material -

halogen-free polymer compound

КУИН нг(A)-HF 2x2x0,5ПЭ-М

нг(A)-FRHF

insulation and jacket material -

halogen-free polymer compound. Fire-resistant cable

КУИН нг(A)-FRHF 8x3x1,5 П

Пс

нг(A)-LS

insulation material - xLPE

jacket material - flame retardant PVC compound

КУИН нг(A)-LS 3x2x0,5 Пс

нг(A)-FRLS

insulation material - xLPE

jacket material - flame retardant and low smoke PVC compound. Fire-resistant cable

КУИН нг(A)-FRLS 5x1,2 Пс

нг(A)-HF

insulation material - xLPE

jacket material - halogen-free polymer compound

КУИН нг(A)-HF 2x2x0,5Пс-УФ

нг(A)-FRHF

insulation material - xLPE

jacket material - halogen-free polymer compound. Fire-resistant cable

КУИН нг(A)-FRHF 8x3x1,5 Пс

Т

нг(A)

insulation and jacket material-

flame retardant TPE

КУИН нг(A) 6x3x1,5 ЭТЭ-Т-М

нг(A)-FR

insulation and jacket material-

flame retardant TPE. Fire-resistant cable

КУИН нг(A)-FR 5x2x1,0 Т

Fire-resistant cable ("нг(A)-FR", "нг(A)-FRLS" and "нг(A)-FRHF" indexes)

Conductor insulation of fire-resistant cables ("нг(A)-FR", "нг(A)-FRLS" and "нг(A)-FRHF" indexes) is covered with two additional layers of mica tape. Cable maintains working efficiency for at least 90 minutes even if being exposed to an open fire and a minimum temperature of +750° C. This feature will help to avoid the emergency power cut-off in case of a fire. Fire-resistant cable requirements for alarm, emergency lighting, and smoke exhaust systems, as well as for fire pumps and elevators circuits, etc. are described in GOST R 53315-2009 and "Technical Regulations for Fire Safety Requirements" of 22 July 2008. No. 123-F3.

Manufacture of customised cable

Customised cables can be manufactured:

  • with coloured outer jacket (red, yellow or any other colour);
  • with combined conductors cross-section ("pairs", "triples", "quads");
  • as combined cable - single cable simultaneously transmits electrical energy (through electric conductor) and optical signals (through optical fiber).

Nominal conductor cross-section and diameter, number of conductors, and number of pairs, triples, quads

Table 2. Nominal conductor cross-section, number of conductors, and number of pairs, triples, quadrupoles

Design element

Nominal conductor
cross-section, mm²

Number of conductors, and number of pairs ("x2"), triples ("x3"), quads ("x4")

Conductor

0,35; 0,5; 0,75; 1,0; 1,2; 1,5; 2,5; 4,0

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 27, 30, 37, 40, 44, 48, 52, 61

Pair ("x2")

0,35; 0,5; 0,75; 1,0; 1,2; 1,5; 2,5

1x2, 2x2, 3x2, 4x2, 5x2, 6x2, 7x2, 8x2, 9x2, 10x2, 11x2, 12x2, 13x2, 14x2, 15x2, 16x2, 18x2, 19x2, 20x2, 21x2, 22x2, 24x2, 27x2, 30x2, 37x2, 40x2, 44x2

Triple ("x3")

1x3, 2x3, 3x3, 4x3, 5x3, 6x3, 7x3, 8x3, 9x3, 10x3, 11x3, 12x3, 13x3, 14x3, 15x3, 16x3, 18x3, 19x3, 20x3, 21x3, 22x3, 24x3

Quad ("x4")

1x4, 2x4, 3x4, 4x4, 5x4, 6x4, 7x4, 8x4, 9x4, 10x4, 11x4, 12x4, 13x4, 14x4

Cable characteristics

Table 3. Cable technical characteristics

Operating temperature

- from -60° to +70°C for "ХЛ" cables

- from -60° to +125°C for cables marked with "Т" material index

- from -50° to +200°C for cables marked with "Т-Т" material index

- from -50° to +80°C for other cable types

Minimum cable installation

temperature

- 30°С or higher for "ХЛ" cables marked with "Т" material index

- 15°С or higher for other cable types

Operating voltage

- up to 600V AC at frequencies of up to 1MHz

- up to 1000V DC

Insulation resistance during operation
t = +20°C

- at least 10 МΩ·km for cables marked with "В" material index

- at least 100 МΩ·km for cables marked with "П", "T" material indexes

- at least 500 МΩ·km for cables marked with "Пс" material index

DC resistance of conductors

meets the requirements of GOST 22483-77 standard

Cable bending radius
(D -outside diameter of cable)

- at least 6D for unarmoured cables

- at least 10D for armoured cables

Alternating bending strength

up to 10,000 alternating bends for cables marked with "T" material index

Climatic category

"В" index, with the categories of placement 2 and 5 (according to GOST 15150-69 standard). Can be used in any climatic region, including tropics.

Resistance to longitudinal water propagation in case of the cable jacket damage

moisture is completely blocked

Fire-resistance
(for "FR" cables)

can be exposed to an open fire and temperatures of +750° C and higher for at least 90 minutes

Mold resistance

mold resistance factor - up to 2

Cable service life

- at least 30 years

- at least 25 years for cables marked with "T" material index

Cable electrical specification

Table 4. Maximum operating capacity and inductance of a "twisted pair" at 20°C, referred to for 1 km of cable length

Frequency, kHz

Maximum operating capacity, nF

Maximum inductances, mH

Cross-section, mm²

0,50

0,75

1,00

1,50

2,50

0,50

0,75

1,00

1,50

2,50

0,05

99

113

122

124

128

0,73

0,68

0,66

0,62

0,51

8,00

97

109

117

118

122

0,71

0,67

0,64

0,61

0,50

16,00

95

106

113

114

119

0,71

0,67

0,64

0,59

0,48

64,00

88

97

104

105

108

0,70

0,64

0,60

0,54

0,43

256,00

86

93

99

100

102

0,65

0,59

0,55

0,49

0,37
Table 5. Maximum cable inductance to resistance ratio at 20°С, referred to for 1 km of cable length

Frequency, kHz

Maximum cable inductance to resistance ratio, μH/Ω

Cross-section, mm²

0,50

0,75

1,00

1,50

2,50

0,05

9,3

13,2

17,3

24,6

55,0

8,00

8,9

12,5

16,2

22,4

40,0

16,00

7,9

10,8

13,3

16,6

27,4

64,00

6,2

7,4

7,7

8,2

10,6

256,00

3,2

3,2

3,2

3,3

3,4