Uninsulated Flexible Wires

MG Technical Specifications 16-705.466-87

Uninsulated flexible copper wires are applied in electrical installations and devices, and used as antennas.

MG
Section, mm2	1,5	2,5	3,0	4,0	5,0	6,0	8,0	10,0	16,0	25,0	35,0	50,0	70,0

Structure

The twisting of wires is right. Neighbouring lays are twisted to adverse sides. The direction of twisting of the upper lay of wires is left-hand.

Technical characteristics

- The climatic performance of wires is W, category of arrangement 2 in accordance with GOST 15150-69.
- Wires are resistant to changes of an operating ambient temperature from -60°Ñ to +55°Ñ
- Wires are resistant to the action of air pressure from 133·10^-4 kPa to 294 kPa
- Wires are resistant to the action of dew, hoarfrost, rain, sea fog, solar radiation, sand, mould fungi
- A factory wire length is not less than:
50 m for sections from 1.5 to 6.0 mm²
2000 m for sections from 10.0 to 25.0 mm²
500 m for sections from 35.0 to 70.0 mm²
- A lifetime of wires is not less than 10 years

PSch Braided Technical Specifications of the Republic of Belarus 05755944-008-97
PSch Technical Specifications 16-705.467-87

A copper flexible braided wire in braid made of copper wires for brushes of electrical machines.

	Section, mm2
PSch Braided	4,0	6,0	8,0	10,0	12,5	16,0
PSch	4,0	-	-	-	-	-

PSch Structure

The twisting of wires is right. The direction of twisting of separate wire strands and bundles is opposite to the direction of wire twisting. The direction of twisting of an exterior lay is left-hand. Wires are delivered annealed and without oxidation.

PSch Technical Characteristics

- The climatic performance of wires is W, category of arrangement 2 according to GOST 15150-69.
- Wires are resistant to changes of an operating ambient temperature from -60°Ñ to +230°Ñ
- Wires are resistant to the action of air pressure from 133·10^-4 kPa to 294 kPa
- Wires are resistant to the action of dew, hoarfrost, rain, sea fog, solar radiation, sand, mould fungi
- Wires are resistant to the action of vibrational loads, linear acceleration, repeated impacts
- The electrical resistance of PSch wires of 4.0 mm² to a DC, recalculated for 1 km long and a temperature of 20°Ñ, does not exceed 5.0 Ohm within the period of acceptance and delivery
- The electrical resistance of PSch wires of 4.0 mm² to a DC, recalculated for a length of 1 km and a temperature of 20°Ñ, does not exceed 6.0 Ohm within the period of exploitation and storage
- The breaking strength of PSch wire of 4.0 mm² is not less than 718.7 N
- The minimum lifelength of PSch wire of 4.0 mm² is 10000 hours, if climatic parameters are normal; at elevated temperatures:
up to 100°Ñ, is 5000 h
up to 125°Ñ, is 1000 h
up to 150°Ñ, is 300 h
up to 200°Ñ, is 200 h
up to 230°Ñ, is 230 h
- A lifetime of wires is not less than 15 years

Structure of PSch Braided

The wires are regularly twisted. The direction of twisting of separate wire strands and bundles is opposite to the direction of wire twisting. The direction of twisting of an exterior lay is left-hand. They are in a copper braided screen. The braid must fit a core densely and not move relative to it.

Technical Characteristics of PSch Braided

- The climatic performance of wires is W, category of arrangement 2 according to GOST 15150-69.
- Wires are resistant to changes of an operating ambient temperature from -60°Ñ to +230°Ñ
- Wires are resistant to the action of air pressure from 133·10^-4 kPa to 294 kPa
- The relative air humidity is up to 100 % at a temperature of 35°Ñ
- Wires are resistant to the action of dew, hoarfrost, rain, sea fog, solar radiation, sand, mould fungi
- Wires are resistant to the action of vibrational loads, linear acceleration, repeated impacts
- The electrical resistance of wires to a DC, recalculated for 1 km long and a temperature of 20°Ñ, within the period of acceptance and delivery, does not exceed, Ohm:
4,0 - 5,0
6,0 - 3,5
8,0 - 2,4
10,0 - 2,0
12,5 - 1,6
16,0 - 1,2
- The electrical resistance of wires to a DC, recalculated for 1 km long and a temperature of 20°Ñ, within the period of exploitation and storage, does not exceed, Ohm:
4,0 - 6,0
6,0 - 4,0
8,0 - 2,9
10,0 - 2,4
12,5 - 1,9
16,0 - 1,4
- The breaking strength of wires, for sections not less than:
4,0 - 718,7
6,0 - 1088,9
8,0 - 1497,2
10,0 - 1769,4
12,5 - 2235,0
16,0 - 3094,0
- The minimum lifelength of wires is 10000 hours if climatic parameters are normal; for wire sections more than 1.5 mm², at elevated temperatures:
up to 100°Ñ - 5000 h
up to 125°Ñ - 1000 h
up to 150°Ñ - 300 h
up to 200°Ñ - 200 h
up to 230°Ñ - 230 h
- A factory wire length is not less than 50 m
- A lifetime of wires is not less than 15 years

PML, PMLÎ Technical Specifications of the Republic of Belarus 05755944.010-97

The copper braided screen is intended for screening of wires, cables and other similar products.

	Section, mm2
PML	2õ4,0	3õ6,0	6õ10,0	10õ16,0	16õ24,0	24õ30,0	30õ40,0
PMLÎ	10õ16,0	16õ24,0	-	-	-	-	-

Structure

Mark and Standard Size	Minimum Diameter of Screened Goods, mm	Maximum Diameter of Screened Goods, mm	Nominal diameter of wires in a lea	Number of Wires in a Lea and a Number of Leas
PML 2õ4	2	4	0,12	5õ16
PML 3õ6	3	6	0,15	5õ16
PML 6õ10	6	10	0,15	8õ24
PML 10õ16	10	16	0,20	8õ24
PML 16õ24	16	24	0,30	8õ24
PML 24õ30	24	30	0,30	9õ24
PML 30õ40	30	40	0,30	10õ24
PMLÎ 10õ16	10	16	0,15	8õ24
PMLÎ 16õ24	16	24	0,20	9õ24

Braids for the climatic performance N must be made of a copper wire tinned with the solder POS-40, and braids for the climatic performance Ò must be made of a copper wire tinned with stannum.

Technical Characteristics

- The climatic performance of wires is U and Ò, category of arrangement 2 in accordance with GOST 15150-69.
- Braids are delivered by segments not less than 2.5 m long
- A guaranty service life of braid is 1 year from the date of putting into operation.