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JB/T 8145.2-1995

Chinese Standard: 'JB/T 8145.2-1995'
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JB/T 8145.2-1995English85 Add to Cart 0--15 minutes. Auto immediate delivery. Insulated Cables (Wires) for Railway Vehicles of Rated Voltages Up to and Including 3 KV Chlorosulphonated Polyethylene Insulated Cables (Wires) for Railway Vehicles Obsolete JB/T 8145.2-1995

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Detail Information of JB/T 8145.2-1995; JB/T8145.2-1995; JBT 8145.2-1995; JBT8145.2-1995
Description (Translated English): Insulated cables (wires) for railway vehicles of rated voltages up to and including 3kV. Chlorosulphonated polyethylene insulated cables (wires) for railway vehicles
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K13
Word Count Estimation: 7,000
Date of Issue: 1990-11-07
Date of Implementation: 1991-08-01
Older Standard (superseded by this standard): GB 12528.3-1990
Adopted Standard: VIC 895; NEQ
Drafting Organization: Machinery and electronics industry Shanghai Electric Cable Research Institute
Administrative Organization: Department of Electrical and Shanghai Electric Cable Research Institute
Summary: This standard specifies: CSM insulated railway locomotive vehicle transmission cables (wires) product variety, technical requirements and inspection rules. This standard applies to: AC rated voltage 750V and below CSM insulated railway locomotive vehicle transmission cables (wires). Cable (wire) shall comply with the provisions of this standard requirements, shall comply GB12528. 1- requirements.

JB/T 8145.2-1995
JB
MACHINERY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Insulated Cables (Wires) for Railway Vehicles of Rated
Voltages Up to and Including 3 KV
Chlorosulphonated Polyethylene Insulated Cables
(Wires) for Railway Vehicles
交流额定电压 3kV及以下铁路机车
车辆用电缆 (电线)
氯磺化聚乙烯绝缘铁路机车
车辆用电缆 (电线)
ISSUED ON. OCTOBER 10, 1995
IMPLEMENTED ON. OCTOBER 10, 1995
Issued by. Ministry of Machine-Building Industry of the People’s Republic of China
Table of Contents
1 Subject content and application scope ... 3 
2 Service characteristics ... 3 
3 Models ... 3 
4 Specifications ... 4 
5 Technical requirements... 4 
6 Test ... 6 
Additional information. ... 9 
Insulated Cables (Wires) for Railway Vehicles of
Rated Voltages Up to and Including 3 KV
Chlorosulphonated Polyethylene Insulated
Cables (Wires) For Railway Vehicles
1 Subject content and application scope
This Standard specifies the product types, technical requirements and inspection rules of
chlorosulphonated polyethylene insulated cables (wires) for railway vehicles.
This Standard applies to chlorosulphonated polyethylene insulated cables (wires) for
railway vehicles of rated voltages up to and including 750 V.
Besides conforming to the requirements prescribed in this Standard, cables (wires) shall
also comply with the provisions of GB 12528.1.
2 Service characteristics
2.1 Rated voltage is 750 V.
2.2 Long-term allowable working temperature of cable.
DCH/3 shall not be greater than 70 °C;
DCH/3-100 shall not be greater than 100 °C.
2.3 Cables may be used at the occasions where is contaminated by mineral oil and fuel
oil.
2.4 Allowable bending radius for cable laying.
It shall not be less than 3 D, for outer diameter of cable (D) of 20mm or below;
It shall not be less than 5 D, for outer diameter of cable (D) of 20mm or above.
3 Models
Cable models are shown in Table 1.
Table 3 DCH/3 and DCH/3-100 copper-core chlorosulphonated polyethylene
insulated cables (wires) for railway vehicles of 750 V
Nominal
Cross-Section of
Conductor
mm2
Specifications of
Conductor
Insulated Nominal Thickness
mm
Upper Limit of Average Outer
Diameter
mm
0.5 A 1.0 3.4 B 1.0 3.4
0.75 A 1.0 3.8 B 1.0 3.8
1.0 A 1.2 4.4 B 1.2 4.4
1.5 A 1.2 4.7 B 1.2 4.7
2.5 A 1.2 5.2 B 1.2 5.2
4 A 1.2 6.0 B 1.2 6.0
6 A 1.2 7.4 B 1.2 7.4
10 A 1.4 9.0 B 1.4 9.0
16 A 1.4 10.5 B 1.4 10.0
25 A 1.6 12.5 B 1.6 12.5
35 A 1.6 14.0 B 1.6 14.0
Table 3 (Continued)
Nominal
Cross-Section of
Conductor
mm2
Specifications of
Conductor
Insulated Nominal Thickness
mm
Upper Limit of Average Outer
Diameter
mm
50 A 1.8 16.5 B 1.8 16.0
70 A 1.8 18.5 B 1.8 18.0
95 A 2.0 20.5 B 2.0 20.5
120 A 2.0 22.5
3.4 Fuel oil resistance test
Conforming to the provisions
in clause 3 in Table 4 of GB
12528.1
T, S GB 2951.15 and GB 12528.1 Annex B
3.5 Ozone resistance test
Conforming to the provisions
in clause 4 in Table 4 of GB
12528.1
T, S GB 2951.35
3.6
3.6.1
3.6.2
Low-temperature winding
test.
Low-temperature winding
test for untreated samples.
Low-temperature winding
test for samples after aging
in air tank.
Conforming to the provisions
in clause 6 in Table 4 of GB
12528.1
T, S
GB 2951.12
3.7
3.7.1
Low-temperature tensile test.
Low-temperature tensile test
for untreated samples.
Conforming to the provisions
in clause 7 in Table 4 of GB
12528.1
T, S
GB 2951.13
Table 4 (Continued)
No. Item Name Technical Requirements Test Type Test Method
3.7.2
Low-temperature tensile test
for samples after aging in air
tank
4.1.
4.2
4.3
Combustion test.
Combustion test for untreated
samples.
Combustion test for samples
after treatment of immersion
in mineral oil.
Combustion test for samples
after treatment of immersion
in fuel oil.
Conforming to the provisions
in clause 5.5 of GB 12528.1
T, S
Clause 5.4.5 in GB
12528.1
5 Rub resistance test of printing mark
Conforming to the provisions
in clause 8.1 of GB ......
Related standard:   JB/T 8137.1-2013  JB/T 8137.2-2013
   
 
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