Nuclear Power Plant Instrumentation Cable, Class 1E
Category K3, Low Smoke, Halogen Free, Flame Retardant
Standards Manufactured according to Q/320411AVX020 (RCC-E, IEEE 323, IEEE 383) standards.
Application The Class 1E nuclear power plant instrumentation cable is designed for linking between sensors and electrical appliances, computers and data processors in the control systems of nuclear facilities. Praised for their operation capabilities, these instrument cables have been recognized by the China National Nuclear Corporation (CNNC) as an advanced level, international product.
Basic Types and Descriptions
| Basic Type | Description |
| HKJ2S/B3-K3 | Tinned copper conductor, Cross-linked polyolefin double layer insulated, polyolefin sheathed, low-smoke, halogen-free and flame-retardant (category B) control cable of Class 1E category K3 for nuclear power plants |
| HKJ2C1S/B3-K3 | Tinned copper conductor, Cross-linked polyolefin double layer insulated, tinned copper braided overall shield, polyolefin sheathed, low-smoke, halogen-free and flame-retardant (category B) control cable of Class 1E category K3 for nuclear power plant s |
| HKJ2C2S/B3-K3 | Tinned copper conductor, Cross-linked polyolefin double layer insulated, Cu/plastic tape wrapped overall shield, polyolefin sheathed, low-smoke, halogen-free and flame-retardant (category B) control cable of Class 1E category K3 for nuclear power plants |
| HKJ2C3S/B3-K3 | Tinned copper conductor, Cross-linked polyolefin double layer insulated, Cu/plastic tape wrapped overall shield, polyolefin sheathed, low-smoke, halogen-free and flame-retardant (category B) control cable of Class 1E category K3 for nuclear power plants |
| Note: The symbols for basic types are shown in table 2 "explanation of the symbols in the type". The descriptions of the cable should be changed according to the "indication example" in detail. | |
Properties 1. Rated voltage: 300/500V.
2. The permitted long-term working temperature of the conductor: 90℃.
3. The permitted bending radius of cable: No less than 8 times of the overall diameter of the cable.
4. The Min. environmental temperature:-15℃.
5. Min. laying temperature of the cable is 0℃. The cable should be pre-heated if it is below the Min. laying temperature.
6. Normally service life: at least 40 years.
7. Combustibility
7.1 The cable can pass the test according to GB/T 18380.34(IEC 60332-3-23).
7.2 For cross-linked polyolefin insulated cable, the insulated core can pass the test according to GB/T 18380.12 (IEC60332-1).
8. The cable can pass the test according to GB/T 17651(IEC 61034).
9. Insulation and sheath material of the cable should be tested according to GB/T 17650（IEC 60754-2) which pH is no less than 4.3, and conductivity should be less than 10ms/mm.
10. Electrical properties:
10.1 It can withstand AC 2500V/5min high voltage tests between the insulated conductors.
10.2 It can withstand AC 1500V/5min high voltage tests between the insulated conductor and shield.
10.3 DC resistance of conductor at 20℃ is shown in table 3.
10.4 Insulation resistance at 20℃ is shown in table 4.
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