Product Overview
The nVent RAYCHEM S-20 Splice Kit is designed for creating reliable and safe splices for heating cables in various applications, including hazardous areas. It ensures proper electrical connection and environmental protection for the splice point.
Components and Tools
Diagram A: Shows the components of the splice kit. This includes two main cable ends (labeled D and E), a set of connectors (A) suitable for 1.5 - 2.5 mm² wire, a large heat shrink sleeve (C), smaller heat shrink sleeves (F), and a main heat shrink sleeve (B).
Diagram B: Illustrates the tools required for installation. These include long-nose pliers, cutting pliers, a wire stripper, a crimping tool labeled T-100-CT, a crimping tool labeled CTL-20, and a screwdriver. A larger heat shrink sleeve for the entire assembly is also depicted.
Diagram C: Shows a completed splice assembly, identified as BTV-CR/CT or QTVR, enclosed in a heat shrink sleeve.
Hazardous Area Certifications
The BTV and QTVR cable types, when used with the S-20 splice kit, are certified for hazardous area applications according to various international standards.
| Area Type | ATEX / UKEX | IECEx | North America (cCSAus) |
|---|---|---|---|
| BTV | SGS20ATEX0048X / BAS21UKEX0497X Ex II 2 G Ex 60079-30-1 eb IIC T6 Gb Ex II 2D Ex 60079-30-1 tb IIIC T80°C Db Ex II 2 G Ex 60079-30-1 eb mb IIC T6 Gb Ex II 2 D Ex 60079-30-1 mb tb IIIC T80°C Db Tmin -60°C | IECEx BAS.06.0043X Ex 60079-30-1 eb IIC T6 Gb Ex 60079-30-1 tb IIIC T80°C Db Ex 60079-30-1 eb mb IIC T6 Gb Ex 60079-30-1 mb tb IIIC T80°C Db Tmin -60°C | cCSAus Certificate 1333271 Class I Division 2 Group A,B,C,D Class II Division 2 Group E, F,G Class III T6 Zone when installed with S-20: US: Class I Zone 1 AEx eb IIC T6 Gb Zone 21 AEx tb IIIC T85°C Db Canada: Ex 60079-30-1 IIC T6 Gb Ex 60079-30-1 IIIC T85°C Db |
| QTVR | SGS20ATEX0050X / BAS21UKEX0498X Ex II 2 G Ex 60079-30-1 eb IIC T4 Gb Ex II 2D Ex 60079-30-1 tb IIIC T130°C Db Ex II 2G Ex 60079-30-1 eb mb IIC T4 Gb Ex II 2D Ex 60079-30-1 mb tb IIIC T130°C Db Tmin -60°C | IECEx BAS.06.0045X Ex 60079-30-1 eb IIC T4 Gb Ex 60079-30-1 tb IIIC T130°C Db Ex 60079-30-1 eb mb IIC T4 Gb Ex 60079-30-1 mb tb IIIC T130°C Db Tmin -60°C | cCSAus Certificate 1333271 Class I Division 2 Group A,B,C,D Class II Division 2 Group E, F,G Class III T4 Um= 277 V max. Zone when installed with S-20: US: Class I Zone 1 AEx eb IIC T4 Gb Zone 21 AEx tb IIIC T135°C Db Canada: Ex 60079-30-1 IIC T4 Gb Ex 60079-30-1 IIIC T135°C Db |
EAC Ex: ООО Центр «ПрофЭкс» ЕАЭС RU C-BE.АЖ58.В.01728/21 1 Ex e IIC T* Gb X Ex tb IIIC T* Db X ТЕМП ОКР СРЕДЫ –60 to +56°C
* Hazardous area definitions in multiple languages are provided in the original document.
Specific Conditions of Use
- Maximum exposure temperature: 110°C (230°F)
- Minimum exposure temperature: -60°C (−76°F)
- Minimum installation temperature: -20°C (-4°F)
- Maximum current: 35A (for QTVR type)
- For use with heating cable types specified in the table.
Installation Instructions
⚠️ WARNING: Please ensure installation is performed in a clean, dry environment. All cable ends must be protected from moisture. Follow instructions carefully.
⚠️ WARNING: The purchaser must inform the manufacturer of any external effects or aggressive substances the equipment may be exposed to.
General Requirements:
- A ground fault circuit interrupter (GFCI) is required for each circuit.
- Ensure all circuits are de-energized before installation or servicing.
- Keep heating cable ends and kit components dry during installation.
- The electrically conductive covering (braid) of the heating cable must be connected to a suitable earthing terminal.
- The presence of heating cables must be clearly indicated by warning signs or markings at appropriate locations and intervals along the circuit.
- The insulation resistance of the heating cable must be measured and recorded after installation; it shall not be less than 20 MOhm.
- Personnel involved in the installation and testing of electric trace heating systems must be adequately trained in all required special techniques.
- Installation must be carried out under the supervision of a qualified person.
Step-by-Step Installation (Textual Description of Diagrams):
Preparation:
Diagram 1L: Shows preparing the cable end. A heat shrink sleeve (D) is slid onto the cable (E).
Diagram 2L: Shows preparing the cable ends for splicing. The outer jacket is stripped back approximately 140 mm. The inner insulation is also stripped. The conductive braid is exposed.
Diagram 3L: Shows separating the conductive braid. The braid is carefully separated into two halves. A portion of the inner insulation is cut back approximately 70 mm.
Diagram 4L: Shows further preparation. The inner insulation is stripped back approximately 40 mm from the conductor.
Diagram 5L: Shows preparing the conductors. The two conductors are aligned. The braid is folded back over the outer jacket.
Diagram 6L: Shows inserting the conductors into the splice connector (C). The conductors are inserted into the appropriate terminals of the connector.
Diagram 7L: Shows crimping the connector. A crimping tool (F) is used to crimp the connector onto the conductors.
Diagram 8L: Shows the result after crimping. The conductors are securely held within the connector.
Diagram 9L: Shows trimming the braid. Excess braid is trimmed to approximately 6 mm.
Diagram 10L: Shows crimping the other end of the splice connector (A) using the CTL-20 tool.
Right Side Preparation (for joining to another cable):
Diagram 11R: Shows preparing the second cable end. A heat shrink sleeve (D) is slid onto the cable. The outer jacket is stripped back approximately 90 mm. The conductive braid is exposed.
Diagram 12R: Shows separating the conductive braid. The braid is carefully separated into two halves.
Diagram 13R: Shows further preparation. The inner insulation is stripped back approximately 35 mm from the conductor.
Diagram 14R: Shows preparing the conductors. The two conductors are aligned.
Diagram 15R: Shows inserting the conductors into the splice connector (C). The conductors are inserted into the appropriate terminals of the connector.
Diagram 16R: Shows crimping the connector. A crimping tool (F) is used to crimp the connector onto the conductors.
Diagram 17R: Shows the result after crimping. The conductors are securely held within the connector.
Diagram 18R: Shows trimming the braid. Excess braid is trimmed to approximately 6 mm.
Joining the two prepared ends:
Diagram 19: Shows bringing the two prepared cable ends together, with the splice connectors aligned. The CTL-20 tool is shown, implying a final crimp or connection step might be involved here, or it's a general tool reference.
Diagram 20: Shows sliding the main heat shrink sleeve (D) over the splice area.
Diagram 21: Shows heating the heat shrink sleeve (D) to shrink it around the splice. A heat gun is depicted.
Diagram 22: Shows the heat shrink sleeve shrunk. The conductive braid is shown being carefully managed.
Diagram 23: Shows the conductive braid being spread out and prepared for connection.
Diagram 24: Shows the conductive braid being prepared for connection to the grounding terminal.
Diagram 25: Shows the conductive braid being crimped to a terminal (B) using a tool.
Diagram 26: Shows sliding a final outer heat shrink sleeve (E) over the entire assembly.
Diagram 27: Shows heating the final outer heat shrink sleeve (E) to shrink it, completing the splice. A heat gun is depicted.
Diagram 28: Shows the completed splice, with the outer heat shrink sleeve fully shrunk.
Contact Information
For sales and support, please contact nVent RAYCHEM in your region:
- Belgium/Luxembourg: Tel +32 16 21 35 02, Fax +32 16 21 36 04, salesbelux@nVent.com
- Bulgaria: Tel +359 5686 6886, Fax +359 5686 6886, salesee@nVent.com
- Czech Republic: Tel 420 602 232 969, czechinfo@nVent.com
- Denmark: Tel +45 70 11 04 00, salesdk@nVent.com
- Germany: Tel 0800 1818205, Fax 0800 1818204, salesde@nVent.com
- Spain: Tel +34 911 59 30 60, Fax +34 900 98 32 64, ntm-sales-es@nVent.com
- France: Tél 0800 906045, Fax 0800 906003, salesfr@nVent.com
- Croatia: Tel +385 1 605 01 88, Fax +385 1 605 01 88, salesee@nVent.com
- Italy: Tel +39 02 577 61 51, Fax +39 02 577 61 55 28, salesit@nVent.com
- Lithuania/Latvia/Estonia: Tel +370 5 2136633, Fax +370 5 2330084, info.baltic@nVent.com
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- Serbia and Montenegro: Tel +381 230 401 770, Fax +381 230 401 770, salesee@nVent.com
- Switzerland: Tel. 41 (41) 766 30 80, Fax 41 (41) 766 30 81, infoBaar@nVent.com
- Finland: Puh. 0800 11 67 99, salesfi@nVent.com
- Sweden: Tel +46 31 335 58 00, salesse@nVent.com
- Turkey: Tel +90 560 977 6467, Fax +32 16 21 36 04, salesee@nVent.com
- United Kingdom: Tel 0800 969 013, Fax 0800 968 624, salesthermalUK@nVent.com
Electrical Heat Tracing | Heat Tracing | nVent RAYCHEM
