Moeller. Wiring manual. Automation and Power distribution

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Moeller Wiring Manual 02/05

9-81

Specifications, Formulae, Tables

Conductors

Wiring and cable entries with grommets

Cable entry into closed devices is considerably

simplified and improved by using cable grommets.

Cable grommets

For direct and quick cable entry into an enclosure

and as a plug.

Membrane-

grommit

metric

Conductor

entry

Hole

diameter

Cable

external

diameter

Using cable NYM/NYY,

4 core

Cable

grommit

part no

mm mm mm

•IP66, with

integrated

push-through

membrane

• PE and ther-

moplastic

elastomer,

halogen

free

M16 16.5 1–9 H03VV-F3 x 0.75

NYM 1 x 16/3 x 1.5

KT-M16

M20 20.5 1–13 H03VV-F3 x 0.75

NYM 5 x 1.5/5 x 2.5

KT-M20

M25 25.5 1–18 H03VV-F3 x 0.75

NYM 4x 10

KT-M25

M32 32.5 1–25 H03VV-F3 x 0.75

NYM 4 x 16/5 x 10

KT-M32

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

9-82

Wiring and cable entries with cable glands

Cable glands, metric to EN 50262

with 9, 10, 12, 14 or 15 mm long thread.

Cable glands Conductor

entry

Hole

diameter

Cable

external

diameter

Using cable NYM/NYY,

4 core

Cable

gland

part no

mm mm mm

• with locknut

and integrated

strain relief

• IP68 up to 5

bar, polyamid,

halogen free

M12 12.5 3–7 H03VV-F3 x 0.75

NYM 1 x 2.5

V-M12

M16 16.5 4.5–10 H05VV-F3 x 1.5

NYM 1 x 16/3 x 1.5

V-M16

M20 20.5 6–13 H05VV-F4 x 2.5/3 x 4

NYM 5 x 1.5/5 x 2.5

V-M20

M25 25.5 9–17 H05VV-F5 x 2.5/5 x 4

NYM 5 x 2.5/5 x 6

V-M25

M32 32.5 13–21 NYM 5 x 10 V-M32

M32 32.5 18–25 NYM 5 x 16 V-M32G

M40 40.5 16–28 NYM 5 x 16 V-M40

M50 50.5 21–35 NYM 4 x 35/5 x 25 V-M50

M63 63.5 34–48 NYM 4 x 35 V-M63

1) Does not correspond to EN 50262.

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

9-83

External diameter of conductors and cables

NYM: sheathed conductor

NYY: plastic-sheathed cable

H05RR-F: light rubber-sheathed flexible cable

(NLH + NSH)

NYCY: cable with concentric conductor and plastic

sheath

NYCWY: cable with concentric wave-form

conductor and plastic sheath

Number of

conductors

Approximate external diameter (average of various makes)

NYM NYY H05 H07 NYCY

RR-F RN-F NYCWY

Cross-section mm mm mm mm mm

max. max. max.

2 x 1.5 10 11 9 10 12

2 x 2.5 11 13 13 11 14

3 x 1.5 10 12 10 10 13

3 x 2.5 11 13 11 12 14

3 x 4 13 17 – 14 15

3 x 6 15 18 – 16 16

3 x 10 18 20 – 23 18

3 x 16 20 22 – 25 22

4 x 1.5 11 13 9 11 13

4 x 2.5 12 14 11 13 15

4 x 4 14 16 – 15 16

4 x 6 16 17 – 17 18

4 x 10 18 19 – 23 21

4 x 16 22 23 – 27 24

4 x 25 27 27 – 32 30

4 x 35 30 28 – 36 31

4 x 50 – 30 – 42 34

4 x 70 – 34 – 47 38

4 x 95 – 39 – 53 43

4 x 120 – 42 – – 46

4 x 150 – 47 – – 52

4 x 185 – 55 – – 60

4 x 240 – 62 – – 70

5 x 1.5 11 14 12 14 15

5 x 2.5

13 15 14 17 17

5 x 4 15 17 – 19 18

5 x 6 17 19 – 21 20

5 x 10 20 21 – 26 –

5 x 16 25 23 – 30 –

8 x 1.5 – 15 – – –

10 x 1.5 – 18 – – –

16 x 1.5 – 20 – – –

24 x 1.5 – 25 – – –

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

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Cables and wiring, type abbreviation

Examples for complete cable designation

PVC-sheathed wire, 0.75 mm

flexible, H05V-K

0.75 black

Heavy rubber-sheathed cable, 3-core, 2.5 mm

without green/yellow protective conductor

A07RN-F3 x 2.5

Identification of specification

Harmonized specification H

Recognized national type A

Rated voltage U

300/300V 03

300/500 V 05

450/750 V 07

Insulating material

PVC V

Natural- and/or synthetic rubber R

Silicon rubber S

Sheathing material

PVC V

Natural- and/or synthetic rubber R

Polychloroprene rubber N

Fibre-glass braid J

Textile braid T

Special construction feature

Flat, separable conductor H

Flat, non-separable conductor H2

Type of cable

Solid -U

Stranded -R

Flexible with cables for fixed installation -K

Flexible with flexible cables -F

Highly flexible with flexible cables -H

Tinsel cord -Y

Number of cores

...

Protective conductor

Without protective conductors X

With protective conductors G

Rated conductor cross-section

...

Notes

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Specifications, Formulae, Tables

Conductors

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Conversion of North American cable cross sections into mm

USA/Canada

Europe

AWG/circular mills

(exact)

(next standard size)

0.326 0.4

0.411

20 0.518 0.5

0.653

18 0.823 0.75

1.04 1

1.31 1.5

1.65

14 2.08

13 2.62 2.5

3.31 4

4.17

10 5.26 6

6.63

8 8.37 10

10.50

6 13.30 16

16.80

4 21.20 25

26.70

2 33.60 35

42.40

1/0 53.50 50

2/0

67.40 70

3/0

4/0 107 95

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

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circular mills

250.000 127 120

300.000

152 150

350.000

177 185

400.000

203

450.000 228

500.000 253 240

550.000

279

600.000 304 300

650.000

329

700.000 355

750.000 380

800.000 405

850.000 431

12900.000 456

950.000 481

1.000.000 507 500

1.300.000

659 625

In addition to “circular mills”, cable sizes are often given in “MCM”: 250 000 circular mills =

250 MCM

USA/Canada

Europe

AWG/circular mills

(exact)

(next standard size)

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

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Rated currents and short-circuit currents for standard transformers

Rated voltage

400/230 V 525 V 690/40

Short-circuit

voltage U

4 % 6 % 4 % 6 %

Rated capacity Rated current Short-circuit

current

Rated current Short-circuit

current

Rated c

’’ I

kVA

AAAAAAA

72 1805 – 55 1375 – 42

100

144 3610 2406 110 2750 1833 84

160

230 5776 3850 176 4400 2933 133

200

288 7220 4812 220 5500 3667 168

250

360 9025 6015 275 6875 4580 210

315

455 11375 7583 346 8660 5775 263

400

578 14450 9630 440 11000 7333 363

500

722 18050 12030 550 13750 9166 420

630

909 22750 15166 693 17320 11550 526

800

1156 – 19260 880 – 14666 672

1000

1444 – 24060 1100 – 18333 840

1250

1805 – 30080 1375 – 22916 1050

1600

2312 – 38530 1760 – 29333 1330

2000

2888 – 48120 2200 – 36666 1680

Specifications, Formulae, Tables

Conductors

Moeller Wiring Manual 02/05

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525 V 690/400 V

6 % 4 % 6 % 4 % 6 %

cuit Rated current Short-circuit

current

Rated current Short-circuit

current

’’ I

’’

AAAAAA

–

55 1375 – 42 1042 –

2406

110 2750 1833 84 2084 1392

3850

176 4400 2933 133 3325 2230

4812

220 5500 3667 168 4168 2784

6015

275 6875 4580 210 5220 3560

7583

346 8660 5775 263 6650 4380

9630

440 11000 7333 363 8336 5568

12030

550 13750 9166 420 10440 7120

15166

693 17320 11550 526 13300 8760

19260

880 – 14666 672 – 11136

24060

1100 – 18333 840 – 13920

30080

1375 – 22916 1050 – 17480

38530

1760 – 29333 1330 – 22300

48120

2200 – 36666 1680 – 27840

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Specifications, Formulae, Tables

Formulea

Ohm's Law

Resistance of a piece of wire

Copper:

l = Length of conductor [m] Aluminium:

z = Conductivity [m/Omm

] Iron:

A = Conductor cross section [mm

]Zinc:

Resistances

Transformer

Capacitors

Impedance

L = Inductance [H] f = Frequency [Hz]

C = Capacitance [F] v = Phase angle

= Inductive impedance [O]

= Capacitive impedance [O]

Parallel connection of resistances

With 2 parallel resistances: With 3 parallel resistances:

General calculation of resistances:

UIRV[]×=

---

A[]= R

---

Ω[]=

χ A×

------------

Ω[]=

χ 57

Ωmm

---------------

χ 33

Ωmm

---------------

χ 8.3

Ωmm

---------------

χ 15.5

Ωmm

---------------

2 π fLΩ[]×××=

2 π fC×××

-----------------------------

Ω[]=

–()

cosϕ

-----------

Ω[]=

----------------

Ω[]=

× R

×+×+×

---------------------------------------------------------------

Ω[]=

---

-----

... 1 Ω⁄[]+++=

----

... 1 Ω⁄[]+++=

---

-----

... 1 Ω⁄[]+++=