QTII v QTIII | 3M Cold Shrink Terminations – Features & Differences
Published 09 Feb 2022
Power Cable Terminations for MV HV Electrical Systems Utilising 3M Cold Shrink
Cold Shrink Terminations – 3M QTII v QTIII
Stocked & Supplied by Thorne & Derrick | Technical Support | Competitive Prices
UK & International Projects
Thorne & Derrick distribute 3M Cold Shrink Cable Terminations for medium and high voltage (11kV 33kV 66kV) cables and electrical power systems – we provide competitive prices for cold shrink cable terminations from extensive stocks to UK and international destinations.
3M Cold Shrink terminations are available in a Standard QTII range (3M Quick Term II – Partially Integrated) and a Premium QTIII range (3M Quick Term III – Fully Integrated).
QTII & QTIII type cable terminations are suitable for terminating and connecting MV HV cables. Below highlights the features of using cold shrink technology for both types of cable terminations as well as exploring the differences.
3M QTIII COLD SHRINK CABLE TERMINATIONS
Premium Cable Terminations | 3M Quick Term III – Fully Integrated
3M QTIII Premium cable termination offers the greatest simplicity and flexibility in the full range as it covers a wide range of cable types and sizes. One of the main features that differentiates the QTIII from the rest is a shorter adjustable tail to enable it to fit into the wide range of boxes meaning fewer installation steps so there is less room for jointer error.
➡ WATCH & LEARN Video Demonstration of QTIII Cold Shrink Terminations:
3M QTII COLD SHRINK CABLE TERMINATIONS
Standard Cable Terminations | 3M Quick Term II – Partially Integrated
3M QTII requires additional installation steps to the Premium range explained in the video below. However the Standard QTII range still offers additional benefits over heat shrink cable terminations which have many more parts to install and require heat and further tools.
➡ WATCH & LEARN Video Demonstration of QTII Cold Shrink Terminations:
QTII & QTIII Features
- Fabricated one-piece cold shrink termination body which allows fast and easy installation on a wide range of cable types and sizes
- Installation temperature ranging from -20°C to +50°C
- The high-K stress control material distributes the electrical field evenly across the insulator and minimises the electrical stress on the termination
- Permanent radial contact pressure
- Quick and easy to install by puling out the spiral core
- No heat/flame or tools are required for installation
- Meets and exceeds the requirements for European Standard CENELEC HD 629.1 and IEC 60502-4.v
COLD SHRINK TERMINATIONS
3M QTII V. 3M QTIII
The following tables and videos demonstrate the specification differences and features of both the 3M QTII and 3M QTIII versions of Cold Shrink cable termination.
| 3M QTIII Premium Cold Shrink Cable Terminations | 3M QTII Standard Cold Shrink Cable Terminations |
| Fully Integrated Cable Termination | Partially Integrated Cable Termination |
| Moisture Blocking Mastic (1.) | |
| Integrated into cable termination | Applied separately |
| Outer Insulation (2.) | |
| Very good track resistance | Good track resistance |
| Stress Control Tube (3.) | |
| Integrated into cable termination | Integrated into cable termination |
| Silicone Grease-Stress Relief (4.) | |
| No – Integrated mastic is sufficient | Yes – Applied separately |
| Stress Control Mastic (5.) | |
| Integrated into cold shrink termination | No – Requires silicone grease |
More from 3M Electrical
- Continuous Shearhead Bolt vs. Crimp Compression Technologies By 3M Electrical
- 3M Electrical Tapes Guide | The Tape For Every Task
- 3M Terminations | Surface Tracking on Medium Voltage Cable Terminations by 3M
- 66kV Terminations | NEW Stock Introduction for 3M Cold Shrink Cable Terminations
- Stress Control | MV Cable Terminations by 3M Electrical
- Q/ Can 3M Electrical Offer MV Cable Joints For Hazardous Areas?
- MV Cable Jointing & Some Jointers Tips Using 3M Scotch Tapes
Supplying Cable Termination, Jointing, Pull-in & Electrical Equipment up to 66kV
Thorne & Derrick distribute the most extensive range of MV HV Medium & High Voltage Cable Joints, Terminations & Connectors from manufacturers including 3M, Prysmian, Nexans Euromold, Elastimold, Pfisterer CONNEX and Shrink Polymer Systems.
Heat shrink, cold shrink, push-on and slip-over cable accessories enable the jointing, terminating and connection of 11kV-33kV and 66kV-132kV cables to oil, air or gas insulated switchgear, transformers, motors and overhead lines distributing electricity at MV HV.
MV HV High Voltage Cable Joints | Cable Terminations | Cable Connectors | Distributed from Stock | UK & Export Sales
