Prefabricated Branch Cable

Prefabricated Branch Cable

Safety in power supply

1 Trunk cable conductor without joint has good continuity and reduces trouble spots.
2 Branch joint made through whole course mechanical processing in the factory greatly reduces poor quality phenomena due to manmade factors.
3 Branch joint of rational structure and made through advanced LYZ workmanship has little contact resistance and cannot be affected by thermal expansion and cold shrinkage.
4 Pressing mould jacket processed in short time avoids variation of contact resistance owing to oxidization of copper core at the joint position which is exposed in the air for long time.
5 Branch joint has strict technical standard, inspection requirement, and quality control system as well.

Simpleness in installation, low requirement to environment, and convenience in construction

1 Small land-covering area facilitates effective use of floorage.
2 Low requirement to environment and low requirement to installation precision.
3 Simpleness in installation and low requirement to installation technology.The installation period is short only 1/10 or 1/20 of that of bus duct. The labor strength for installation is small.
4 Small bending radius greatly reduces installation difficulty and reduces space size.

Excellent shock resistance, air tightness, water proofing quality and flame resistance

1 Excellent shock resistance.Generally, the bus duct joint connected mechanically will be loose upon the wall is shocked. But GQFZ series prefabricated branch cable will not be affected. Especially passing through building sedimentation slots, no measure is need.
2 Excellent air tightness and water proofing quality. It can supply power normally in damp environment and be laid in the open air or underground.
3 NH type prefabricated branch cable can remain normal power supply operation for 90 min under flaming condition.

Free of maintenance

1 High once opening rate of prefabricated branch cable after being installed according to stipulated ways.
2 While normally work, prefabricated branch cable system is free of maintenance generally.

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Prefabricated Branch Cable Model

Number	Name	Model
		Single Core	3 Cores Twisted type	4 Cores Twisted type	5 Cores Twisted type
1	PVC insulated andf sheathed prefabricated branch cable	FZ-VV	FZ-VV-3	FZ-VV-4	FZ-VV-5
2	PVC insulated andf sheathed flame retardant prefabricated branch cable	FZ-ZRVV	FZ-ZRVV-3	FZ-ZRVV-4	FZ-ZRVV-5
3	PVC insulated andf sheathed fireproof prefabricated branch cable	FZ-NHVV	FZ-NHVV-3	FZ-NHVV-4	FZ-NHVV-5
4	XLPE insulated PVC sheathed prefabricated branch cable	FZ-YJV	FZ-YJV-3	FZ-YJV-4	FZ-YJV-5
5	XLPE insulated PVC sheathed flame retardant prefabricated branch cable	FZ-ZRYJV	FZ-ZRYJV-3	FZ-ZRYJV-4	FZ-ZRYJV-5
6	XLPE insulated PVC sheathed fireproof prefabricated branch cable	FZ-NHYJV	FZ-NHYJV-3	FZ-NHYJV-4	FZ-NHYJV-5

Prefabricated Branch Cable Technical Parameter

Conductor			Insulation Thickness mm	Sheath thickness mm	Outer Diameter mm	Weight kg/km	A.C Test Voltage kV/5Min.	20℃ Maximum DC resistance（Ω/km）	*1 40℃ ampacity A	Impedance Z Ω/km			Note
Nominal Cross-section mm2	No.&Dia. or type No/mm	Dia. mm								cosθ＝1	cosθ＝0.9	cosθ＝0.8	Unbalanced load carrying capacity (40 ℃)A
6 10	7/1.04 7/1.35	3.1 3.7	0.7 0.7	1.4 1.4	8.0 8.5	105 150	3.5 3.5	3.08 1.83	61 85	3.93 2.33	3.61 2.17	3.25 1.96	58 80
16 25 35 50 70	Round tight Pressure wire	4.7 5.9 7.0 8.5 10.1	0.7 0.9 0.9 1.0 1.1	1.4 1.4 1.4 1.4 1.4	9.5 11.0 12.0 13.5 15.0	210 310 410 555 760	3.5 3.5 3.5 3.5 3.5	1.15 0.727 0.524 0.387 0.268	113 150 180 265 290	1.47 0.93 0.67 0.49 0.34	1.39 0.90 0.67 0.51 0.37	1.27 0.84 0.63 0.48 0.36	105 140 170 230 265
95 120 150 185 240		11.7 13.2 14.7 16.4 18.6	1.1 1.2 1.4 1.6 1.7	1.4 1.6 1.6 1.6 1.7	17.0 19.0 21.0 23.0 26.0	1020 1260 1570 1920 2470	3.5 3.5 3.5 3.5 3.5	0.193 0.153 0.124 0.0991 0.0754	345 405 460 530 640	0.25 0.20 0.16 0.13 0.10	0.28 0.24 0.20 0.18 0.15	0.28 0.24 0.21 0.19 0.16	325 380 435 500 595
300 400 500 600		20.8 24.1 26.9 30.2	1.8 2.0 2.2 2.4	1.8 2.0 2.2 2.4	29.0 32.0 36.0 40.0	3090 4080 5080 6390	3.5 3.5 3.5 3.5	0.0601 0.0470 0.0366 0.0283	725 845 970 1120	0.08 0.06 0.05 0.04	0.13 0.12 0.10 .09	0.15 0.13 0.12 0.11	685 795 920 1070

Conductor			Insulation Thickness mm	Sheath Thickness mm	O.D. mm	Weight kg/km	A.C Test Voltage kV/5Min	20℃ Maximum DC resistance of (Ω/km)	*1 40℃Ampacity A	Impedance Z Ω/km			Note
Nominal Cross-section mm2	No.&Dia. or Type No/mm	Dia. mm								cosθ＝1	cosθ＝0.9	cosθ＝0.8	Unbalanced load carrying capacity (40 ℃ )A
6 10	7/1.04 7/1.35	3.1 3.7	0.7 0.7	1.4 1.4	19.3 20.5	430 620	3.5 3.5	3.14 1.87	53 72	4.01 2.38	3.68 2.21	3.31 2.00	45 61
16 25 35 50 70	Round tight Pressure wire	4.7 5.9 7.0 8.5 10.1	0.7 0.9 0.9 1.0 1.1	1.4 1.4 1.4 1.4 1.4	23.0 26.5 29.0 33.0 36.5	860 1270 1680 2270 3110	3.5 3.5 3.5 3.5 3.5	1.17 0.742 0.534 0.395 0.273	95 125 150 185 230	1.50 0.95 0.68 0.50 0.35	1.41 0.92 0.68 0.51 0.37	1.29 0.85 0.63 0.49 0.36	6814 105 130 160 205
95 120 150 185 240		11.7 13.2 14.7 16.4 18.6	1.1 1.2 1.4 1.6 1.7	1.4 1.6 1.6 1.6 1.7	41.0 46.0 51.0 55.5 63.0	4170 5150 6410 7840 10080	3.5 3.5 3.5 3.5 3.5	0.197 0.156 0.126 0.101 0.0769	280 325 380 440 535	0.25 0.20 0.16 0.13 0.10	0.28 0.24 0.20 0.17 0.15	0.28 0.24 0.21 0.18 0.16	250 290 335 385 455
300 400 500 600		20.8 24.1 26.9 30.2	1.8 2.0 2.2 2.4	1.8 2.0 2.2 2.4	70.0 77.5 87.0 96.5	12610 16650 20730 26080	3.5 3.5 3.5 3.5	0.0601 0.0470 0.0366 0.0283	625 735 865 1010	0.08 0.06 0.05 0.04	0.13 0.11 0.10 0.09	0.14 0.13 0.12 0.11	525 605 700 800

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