TML Type B Round and Flat Submersible Pump Cable
TML Type B is a 0.6/1 kV flexible submersible pump cable family for water pumps, water-level lowering and booster systems.
- 0.6/1 kV
- EPR core insulation and a blue EM6-type EPR sheath
- Class 5 plain copper conductors
- 90 °C maximum conductor temperature
- Round and flat versions with separate dimension tables
TML Type B is a 0.6/1 kV flexible submersible pump cable family for water pumps, water-level lowering and booster systems. The construction presented here uses Class 5 plain copper conductors, EPR core insulation and a blue EM6-type EPR sheath. Round and flat versions share this material system and have separate geometric tables.
Select the cable shape from the pump entry and the supported route. The round table lists nominal outside diameter and the corresponding fixed and moving bending radii. The flat table lists height and width limits, making it useful for checking narrow spaces beside a riser or inside a well casing.
The configuration designation identifies conductor size and protective-earth provision. Match that arrangement to the motor connection before comparing current ratings. Air and fully immersed current data retain separate 30 °C reference conditions; assess exposed and submerged sections of the same route together when sizing the conductors.
Cable mass and tensile-force values also help plan installation handling and the independent support system. Position supports and strain relief so the cable follows natural bends into the entry and carries no pump lifting load. For a quotation, send the required round or flat profile, conductor arrangement, motor duty, length, entry drawing and water-contact requirements. Water depth and water-temperature limits are confirmed for the project after enquiry. The selected 0.6/1 kV construction uses a 3 kV AC test for five minutes.
Construction
Cable layers are listed from the conductor to the outer sheath.
| Layer | Construction |
|---|---|
| Conductor | Plain annealed flexible copper, Class 5 to IEC 60228. |
| Insulation | EPR rubber on each core. |
| Geometry | Round and flat assemblies are listed separately. Three- and four-core flat versions place all cores in one row. |
| Outer sheath | Blue water-resistant EM6-type EPR rubber. |
Applications
Use this construction for submersible water pumps, water-level lowering and booster systems. Match the cable to the actual equipment, route and water medium before selecting the final configuration.
- Choose round or flat geometry from the motor entry and available installation clearance.
- Round-table diameter is nominal; flat-table dimensions have separate height and width limits.
- Check protective-earth designation and current conditions before comparing two configurations.
Use a supported route under medium mechanical stress. Exclude explosion-hazard locations and water containing more than 0.5 mg/l chlorine for this construction. Review other aggressive water compositions individually.
Choosing round or flat TML Type B
| Selection point | Design input |
|---|---|
| Round | Nominal diameter suits circular entries; use the round configuration’s listed bend radii. |
| Flat | Height and width limits suit profile-based clearance and sealing checks. |
| Route sizing | Keep air and immersed current conditions separate when assessing the route. |
| Handling | Use the selected row’s mass and tensile force to plan supports and installation. |
Related selection resources
Specifications
| Parameter | Value |
|---|---|
| Rated voltage U₀/U | 0.6/1 kV |
| Conductor | Plain flexible copper, Class 5 |
| Insulation and sheath | EPR core insulation and a blue EM6-type EPR sheath |
| Maximum conductor temperature | 90 °C |
| Ambient / handling conditions | −40 °C fixed; −25 °C flexible |
| Water depth and water temperature | Project operating conditions reviewed with the enquiry. |
| Short-circuit conductor temperature | 250 °C |
| Maximum permissible operating voltage AC | 0.7/1.2 kV |
| Maximum permissible operating voltage DC | 0.9/1.8 kV |
Current values are for continuous DC or 50–60 Hz AC with the stated loaded-core arrangement. Air reference temperature is 30 °C; water values require complete immersion at 30 °C.
TML Type B round dimensions and electrical data
| Configuration (mm²) | Nominal OD (mm) | Minimum fixed bend radius (mm) | Minimum moving bend radius (mm) | Approximate mass (kg/km) | Maximum tensile force (N) | Current in air at 30 °C (A) | Current fully immersed at 30 °C (A) | Conductor short-circuit current, 1 s (kA) |
|---|---|---|---|---|---|---|---|---|
| TML Type B round 1 × 1.5 | 6 | 24 | 36 | 50 | 23 | 33 | 40 | 0.21 |
| TML Type B round 1 × 2.5 | 6.6 | 26.4 | 39.6 | 65 | 38 | 43 | 52 | 0.36 |
| TML Type B round 1 × 4 | 7.5 | 30 | 45 | 90 | 60 | 59 | 70 | 0.57 |
| TML Type B round 1 × 6 | 8.3 | 33.2 | 49.8 | 120 | 90 | 76 | 91 | 0.86 |
| TML Type B round 1 × 10 | 10.1 | 40.4 | 60.6 | 185 | 150 | 106 | 127 | 1.43 |
| TML Type B round 1 × 16 | 11.3 | 45.2 | 67.8 | 255 | 240 | 142 | 170 | 2.29 |
| TML Type B round 1 × 25 | 13.5 | 54 | 81 | 365 | 375 | 188 | 225 | 3.58 |
| TML Type B round 1 × 35 | 15.2 | 60.8 | 91.2 | 490 | 525 | 232 | 278 | 5.01 |
| TML Type B round 1 × 50 | 17.5 | 70 | 105 | 690 | 750 | 289 | 347 | 7.15 |
| TML Type B round 1 × 70 | 20.3 | 81.2 | 121.8 | 920 | 1050 | 358 | 429 | 10 |
| TML Type B round 1 × 95 | 22.7 | 90.8 | 136.2 | 1210 | 1425 | 431 | 517 | 13.6 |
| TML Type B round 1 × 120 | 24.5 | 98 | 147 | 1455 | 1800 | 504 | 605 | 17.2 |
| TML Type B round 1 × 150 | 28 | 112 | 168 | 1825 | 2250 | 578 | 694 | 21.5 |
| TML Type B round 1 × 185 | 30 | 120 | 180 | 2160 | 2775 | 660 | 792 | 26.5 |
| TML Type B round 2 × 1 | 8.2 | 32.8 | 49.2 | 95 | 30 | 19 | 23 | 0.14 |
| TML Type B round 3 × 0.75 | 8 | 32 | 48 | 90 | 34 | 16 | 19 | 0.11 |
| TML Type B round 3 × 1.5 | 9.7 | 38.8 | 58.2 | 135 | 68 | 24 | 29 | 0.21 |
| TML Type B round 3 × 2.5 | 11.4 | 45.6 | 68.4 | 210 | 113 | 32 | 38 | 0.36 |
| TML Type B round 3 × 4 | 13 | 52 | 78 | 280 | 180 | 43 | 52 | 0.57 |
| TML Type B round 3 × 6 | 14.5 | 58 | 87 | 370 | 270 | 56 | 67 | 0.86 |
| TML Type B round 3 × 10 | 20 | 80 | 120 | 650 | 450 | 78 | 93 | 1.43 |
| TML Type B round 3 × 16 | 24 | 96 | 144 | 940 | 720 | 104 | 125 | 2.29 |
| TML Type B round 3 × 25 | 27.7 | 110.8 | 166.2 | 1320 | 1125 | 138 | 165 | 3.58 |
| TML Type B round 3 × 35 | 31 | 124 | 186 | 1730 | 1575 | 171 | 205 | 5.01 |
| TML Type B round 3 × 50 | 36 | 144 | 216 | 2440 | 2250 | 213 | 255 | 7.15 |
| TML Type B round 4G1.5 | 10.7 | 42.8 | 64.2 | 165 | 90 | 24 | 29 | 0.21 |
| TML Type B round 4G2.5 | 12.6 | 50.4 | 75.6 | 235 | 150 | 32 | 38 | 0.36 |
| TML Type B round 4G4 | 14.4 | 57.6 | 86.4 | 335 | 240 | 43 | 52 | 0.57 |
| TML Type B round 4G6 | 16.2 | 64.8 | 97.2 | 460 | 360 | 56 | 67 | 0.86 |
| TML Type B round 4G10 | 21.9 | 87.6 | 131.4 | 800 | 600 | 78 | 93 | 1.43 |
| TML Type B round 4G16 | 26.2 | 104.8 | 157.2 | 1165 | 960 | 104 | 125 | 2.29 |
| TML Type B round 4G25 | 30.2 | 120.8 | 181.2 | 1650 | 1500 | 138 | 165 | 3.58 |
| TML Type B round 4G35 | 34.5 | 138 | 207 | 2200 | 2100 | 171 | 205 | 5.01 |
| TML Type B round 4G50 | 41.4 | 165.6 | 248.4 | 3260 | 3000 | 213 | 255 | 7.15 |
| TML Type B round 4G70 | 45.7 | 182.8 | 274.2 | 4149 | 4200 | 263 | 316 | 10 |
TML Type B flat dimensions and electrical data
| Configuration (mm²) | Height minimum (mm) | Height maximum (mm) | Width minimum (mm) | Width maximum (mm) | Approximate mass (kg/km) | Maximum tensile force (N) | Current in air at 30 °C (A) | Current fully immersed at 30 °C (A) | Conductor short-circuit current, 1 s (kA) |
|---|---|---|---|---|---|---|---|---|---|
| TML Type B flat 3G1.5 | 6.3 | 6.7 | 12.9 | 13.5 | 140 | 68 | 24 | 29 | 0.21 |
| TML Type B flat 3 × 1.5 | 6.3 | 6.7 | 12.9 | 13.5 | 140 | 68 | 24 | 29 | 0.21 |
| TML Type B flat 3 × 2.5 | 7.1 | 7.5 | 15 | 15.6 | 190 | 113 | 32 | 38 | 0.36 |
| TML Type B flat 3 × 4 | 8 | 9 | 17.3 | 18.3 | 270 | 180 | 43 | 52 | 0.57 |
| TML Type B flat 3 × 6 | 9 | 10 | 19 | 20 | 360 | 270 | 56 | 67 | 0.86 |
| TML Type B flat 3 × 10 | 11 | 12 | 24 | 25 | 570 | 450 | 78 | 93 | 1.43 |
| TML Type B flat 3 × 16 | 11.7 | 12.7 | 28.3 | 29.3 | 760 | 720 | 104 | 125 | 2.29 |
| TML Type B flat 3 × 25 | 15.5 | 16.5 | 37 | 38 | 1250 | 1125 | 138 | 165 | 3.58 |
| TML Type B flat 3 × 35 | 15.5 | 17.5 | 37.5 | 39.5 | 1500 | 1575 | 171 | 205 | 5.01 |
| TML Type B flat 3 × 50 | 18.5 | 20.5 | 45.5 | 47.5 | 2180 | 2250 | 213 | 255 | 7.15 |
| TML Type B flat 4G1.5 | 6.3 | 6.7 | 15.9 | 16.5 | 170 | 90 | 24 | 29 | 0.21 |
| TML Type B flat 4G2.5 | 6.8 | 7.2 | 18.7 | 19.3 | 240 | 150 | 32 | 38 | 0.36 |
| TML Type B flat 4G4 | 7.7 | 8.7 | 22.5 | 23.5 | 350 | 240 | 43 | 52 | 0.57 |
| TML Type B flat 4G6 | 8.5 | 9.5 | 24.5 | 25.5 | 450 | 360 | 56 | 67 | 0.86 |
| TML Type B flat 4G10 | 10 | 11 | 29.5 | 30.5 | 690 | 600 | 78 | 93 | 1.43 |
| TML Type B flat 4G16 | 12.3 | 13.3 | 37.5 | 38.5 | 1040 | 960 | 104 | 125 | 2.29 |
| TML Type B flat 4G25 | 13.7 | 15.3 | 43.5 | 45.1 | 1490 | 1500 | 138 | 165 | 3.58 |
| TML Type B flat 4G35 | 15.5 | 17.5 | 47.5 | 49.5 | 1970 | 2100 | 171 | 205 | 5.01 |
Standards
Technical references and test conditions for the specified construction.
| Item | Reference |
|---|---|
| Conductor | IEC 60228, Class 5 |
| AC voltage test | 3 kV AC for 5 minutes |
| Construction / use reference | EN 50525-2-21 and the specified construction. |
| Core identification | DIN VDE 0293-308; numbered control cores where applicable. |
For conductor classes and nominal metric cross-sections, see the IEC 60228 standard scope.
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