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Current Ratings for Installation
A1, A2, B1 & B2 Cables for fixed installation within buildings

Operating temperature at conductor 70°C; Ambient temperature 30°C
Type Designation H07V-U, -R, -K
H07V3-U, -R, -K
NYM, NYMZ, NYMT, NHYRUZY, NYBUY, NYDY, N05VV-U, N05VV-R, NHXMH, NYY, NYCY 1)
Installation:
- in thermally insulated walls
- in insulating tubes
Single conductor cables in insulated tubes
Single conductor cables in insulated tubes
Multi conductor cables w/ jacket in insulated tubes
Multi conductor cables w/ jacket in insulated tubes
Installation Method2) Installation in thermally insulated walls
A1 A2
Number of Loaded Conductors 2 3 2 3
 
Cross-section in mm² Current Ratings in Ampere (A)
1.5 15.53) 13.5 15.53) 13.0
2.5 19.5 18.0 18.5 17.5
4 26 24 25 23
6 34 31 32 29
10 46 42 43 39
10 - - - -
16 61 56 57 52
25 80 73 75 68
35 99 89 92 83
50 119 108 110 99
70 151 136 139 125
95 182 164 167 150
120 210 188 192 172
150 240 216 219 196
185 273 245 248 223
240 320 286 291 261
300 367 328 334 298

Type Designation H07V-U, -R, -K
H07V3-U, -R, -K
NYM, NYMZ, NYMT, NHYRUZY, NYBUY, NYDY, N05VV-U, N05VV-R, NHXMH, NYY, NYCY 1)
Installation:
- in thermally insulated walls
- in insulating tubes
Single conductor cables in insulated tubes on a wall
Single conductor cables in insulated tubes on a wall
Multi conductor cables w/ jacket in insulated tubes on a wall
Multi conductor cables w/ jacket in insulated tubes on a wall
Installation Method2) Installation in Insulated Tubes
B1 B2
Number of Loaded Conductors 2 3 2 3
 
Cross-section in mm² Current Ratings in Ampere (A)
1.5 17.5 15.5 16.5 15
2.5 24 21 23 20
4 32 28 30 27
6 41 36 38 34
10 57 50 52 46
10 - - - 47.174)
16 76 68 69 62
25 101 89 90 80
35 125 110 111 99
50 151 134 133 118
70 192 171 168 149
95 232 207 201 179
120 269 239 232 206
150 - - - -
185 - - - -
240 - - - -
300 - - - -

Conversion factors for deviating ambient temperature, grouping, installation under the ceiling, multi conductor cables and insulated wires - see DIN VDE 0298 part 4.

1) The current ratings are valid for cables with concentric conductor, only for multi conductor versions
2) For further installation methods – see DIN VDE 0298 part 4
3) See DIN VDE 0298 part 4
4) Not permitted for the installation on a wooden wall and not for application of the conversion factors, see DIN VDE 0298 part 4

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Sealcon is the Exclusive Importer of HUMMEL products. We offer over 6,000 different Types and Sizes of RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
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