Name: MGM 115 Type 16 660/1100V Screened Mining Cable with Two Earth Cores
Brand: TEBAOFLEX

Product overview

MGM 115 Type 16 is a 660/1100 V flexible trailing cable with three screened phase cores, two unscreened earth cores and one unscreened pilot core. It is built to the MGM 115 specification of the Turkish Hard Coal Enterprises MGM mining cable series, in five sizes from 3×25+3×10 to 3×95+3×35 mm².

The datasheet assigns Type 16 to excavating, crushing and similar machines, in deep mines where explosive gases and dust can accumulate and in surface plants. Its three auxiliary cores are small and lie in the gaps between the phase cores, so the cable is compact and light for its current rating, which suits machines that move around a working area on a long trailing length.

Browse the MGM mining cable category for the other cables in the Turkish hard coal MGM series or download the MGM 115 Type 16 datasheet (PDF).

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Application & Features

Selection overview

Crushers, excavators and loading machines draw heavy starting currents and are moved repeatedly, so the supply cable must carry full load current while being dragged across the floor of the working or the plant. Type 16 keeps the same phase sizes and current ratings as the heavier Type 14 but places the earth and pilot cores in the interstices of the phase layup. At 3×50 mm² that gives 43.9 to 49.0 mm overall diameter and about 4200 kg/km, which is easier to handle and reel on a mobile machine.

Splitting the earth path over two cores keeps the cable round and balanced and gives two return conductors in parallel with the three phase screens. The screens are the protective layer: a mechanical fault reaches the earthed tinned copper and nylon braid before live copper is exposed, so the earth-leakage protection trips. The single pilot core serves the earth-continuity or pilot circuit of the machine's control switch.

Excavator and crusher supply660/1100 V trailing supply for excavating, crushing and similar machines underground and on the surface.
Two earth coresTwo unscreened earth cores, 10 to 35 mm², share the fault-current return with the phase screens.
Compact interstitial layupEarth and pilot cores lie between the phase cores, keeping diameter and weight down.
Non-armoured flexibility5.0 to 6.0 mm chloroprene sheath with no armour for reeling and dragging.

Primary crusher station of an iron ore mine lit at night, the kind of crushing plant an MGM 115 Type 16 trailing cable supplies — Primary crusher station at an open-pit iron ore mine. Crushing and excavating machines like these are the duty the MGM 115 Type 16 datasheet names. Photo: Calistemon, CC BY-SA 4.0, via Wikimedia Commons.

Specifications

Technical data

Values from the current TEBAOFLEX MGM 115 Type 16 datasheet. The final construction is confirmed on the approved datasheet for your order.

Electrical, mechanical and material data

Parameter	Value
Rated voltage	660/1100 V
Test voltage	2.5 kV
Conductor	Stranded, tinned copper wire, IEC 60228 Class 5
Insulation	EPR
Phase-core screen	Tinned copper / nylon braid
Pilot and earth cores	Unscreened
Lay-up	All phase cores laid up in contact; two earth cores and one pilot core lie in between
Separator	Colored textile tape for core identification
Bedding	Rubber-based bedding compound
Outer sheath	Heavy-duty chloroprene compound
Core arrangement	3 screened phase cores + 2 unscreened earth cores + 1 unscreened pilot core
Armour	None (non-armoured cable)
Application	Excavating, crushing and similar machines; deep mines where explosive gases and dust can accumulate, and surface use

Technical data: MGM 115 Type 16

Parameter	Unit	3×25+3×10	3×35+3×10	3×50+3×16	3×70+3×25	3×95+3×35
Phase cores / cross-section	mm²	3×25	3×35	3×50	3×70	3×95
Phase stranding	mm	196/0.40	276/0.40	396/0.40	360/0.50	475/0.50
Phase conductor diameter	mm	6.75	8.00	9.75	11.60	12.75
Phase insulation thickness	mm	1.6	1.6	1.7	1.8	2.0
Earth cores / cross-section	mm²	2×10	2×10	2×16	2×25	2×35
Earth stranding	mm	80/0.40	80/0.40	126/0.40	196/0.40	276/0.40
Earth conductor diameter	mm	4.40	4.40	5.50	6.75	8.00
Earth insulation thickness	mm	1.0	1.0	1.0	1.0	1.0
Pilot cores / cross-section	mm²	1×10	1×10	1×16	1×25	1×35
Pilot stranding	mm	80/0.40	80/0.40	126/0.40	196/0.40	276/0.40
Pilot conductor diameter	mm	4.40	4.40	5.50	6.75	8.00
Pilot insulation thickness	mm	1.0	1.0	1.0	1.0	1.0
Total screen cross-section	mm²	25.4	25.4	33	35	53
Min. overall diameter	mm	36.5	39.5	43.9	49.6	58.2
Max. overall diameter	mm	40.2	44.7	49.0	55.3	65.0
Min. bending radius	mm	362	403	441	498	585
Outer sheath radial thickness	mm	5.0	5.0	5.0	5.4	6.0
Max. pulling tension	kgf	533	580	649	795	1039
Approx. cable weight	kg/km	2770	3250	4200	5650	7350
Copper weight	kg/km	1298	1666	2321	3276	4374
Continuous current rating at 25 °C	A	110	135	170	205	250
Short-circuit current for 1 s	A	3450	3450	4550	4820	7300
Phase and earth conductors	Ω/km	0.795	0.565	0.393	0.277	0.21
Pilot conductor	Ω/km	1.950	1.950	1.240	0.795	0.565
3 screens parallel	Ω/km	1.10	1.20	1.40	0.70	0.85

Selection note: before ordering, ask our engineers to confirm the conductor operating temperature, ambient temperature range, core colours and sheath colour, together with drum length and marking.

Standards & References

Applicable standards and compliance

Design specificationMGM 115, the flexible trailing cable specification in the Turkish Hard Coal Enterprises MGM mining cable series (MGM 101, 109, 110, 111, 112, 115 and 118); Type 16 is one of its core arrangements.
Conductor referenceStranded tinned copper conductors to IEC 60228 Class 5.
Voltage scope660/1100 V rated voltage and 2.5 kV test voltage.
ApprovalsMine-authority approvals, type-test reports and marking requirements are confirmed and quoted per order.

Construction

Material and build-up

MGM 115 Type 16 is a round six-core trailing cable. The three braid-screened phase cores are laid up in contact, and the two earth cores and the pilot core sit in the gaps between them. A rubber bedding compound fills the layup and a heavy-duty chloroprene sheath covers it; there is no armour.

Conductor: stranded tinned copper wire to IEC 60228 Class 5, from 196/0.40 mm on 25 mm² to 475/0.50 mm on 95 mm² phase cores.
Phase insulation: EPR, 1.6 to 2.0 mm depending on size.
Phase-core screen: tinned copper and nylon braid over each phase core; total screen cross-section 25.4 to 53 mm².
Earth cores: two unscreened cores of 10 to 35 mm² with 1.0 mm EPR insulation, placed in the interstices of the phase layup.
Pilot core: one unscreened core, the same size as each earth core, with 1.0 mm EPR insulation, for the pilot or earth-continuity circuit.
Separator: coloured textile tape for core identification.
Bedding: rubber-based bedding compound that fills the layup and keeps the cable round.
Outer sheath: heavy-duty chloroprene compound, 5.0 to 6.0 mm radial thickness.

FAQ

Selection questions

What is MGM 115 Type 16 and how does it differ from the other MGM 115 types?

Type 16 is the MGM 115 trailing cable with three screened phase cores, two unscreened earth cores and one unscreened pilot core placed between the phase cores, without armour. Type 14 has one earth and one pilot core laid up in contact with larger auxiliary sizes and a thicker sheath, Type 7 uses a single bare copper earth, Type 7M screens the pilot as well, Type 7S carries a unit of three thin pilot cores, and Type 11 has three screened phase cores with a single 16 mm² pilot conductor.

Where is Type 16 used and how do I pick the size?

The datasheet lists Type 16 for excavating, crushing and similar machines in deep mines with explosive gas and dust and in surface plants. Choose the phase size from the load current (110 A for 3×25 up to 250 A for 3×95 continuous at 25 °C), then check voltage drop over the trailing length, the 1 s short-circuit current of the supply (3450 to 7300 A), and the bending radius of your reel or guides (362 to 585 mm).

Which details are needed for a quotation?

Send the cable type (for example 3×70+3×25), the length per drum and number of drums, the machine and its supply voltage, the pilot or earth-continuity system in use, any sheath marking, and the mine authority whose approval or test report you need. Our engineers confirm the construction and return the approved datasheet with the quotation.

Type 16 or Type 14: which one should I choose?

Both carry the same phase current ratings. Type 16 is lighter and slimmer (2770 kg/km and 36.5 to 40.2 mm at 3×25, against 3550 kg/km and 43.2 to 46.5 mm for Type 14) because its earth and pilot cores are smaller and sit between the phase cores. Choose Type 14 when you want larger auxiliary cores and a thicker sheath; choose Type 16 for a compact cable with two earth returns. Armoured MGM power cables are listed in the MGM mining cable category.

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Send the model and cable type (e.g. 3×70+3×25), drum lengths and total length, supply voltage, pilot system, marking and mine approval requirement.

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MGM 115 Type 16 660/1100V Screened Mining Cable with Two Earth Cores

Application & Features