Raychem JB-EX-21/35MM2 Modular Junction box 6xM20 1xM40 ATEX 35mm
£127.36 inc VAT
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| Model | JB-EX-21 |
|---|
Fibre glass re-enforced high load junction box for HEW-THERM XPI and Pyrotenax MI trace heating cables. This junction box is used to make reliable connections between cold lead cables and a power cable when the load exceeds the ratings of the JB-EX-21.
The JB-EX-21/35MM2 has 6 entries to enable tri-phase connections and allows for a load of 100A in any configuration (star and delta).
The box is intended for wall mounting.
Key features and benefits:
- Easy installation and maintenance
- Highly reliable, as fully tested in combination with heating cables
- Compatible with power cables and cold leads of cross sections up to 35 mm²
- Approved for use in hazardous areas
| Technical Specifications | |
|---|---|
| Brand | Raychem |
Frequently Asked Questions
We make every effort in answering your questions. Below is a list of those questions we are frequently asked. Click on a question to expand its answer.
What is self regulating heating tape?
Self limiting / self regulating heating tape adjusts heat output to equal the heat loss from the pipe work. As pipe temperature falls the electrical conductivity of the semi-conductive core increas...
Can you design a full surface heating system for me?
Yes, utilising our in-house design facilities, we can design your complete trace heating requirement.
Can I use heat trace on plastic pipes?
Yes, when using trace heating on plastic pipes ensure that ATE- 180 aluminium tape is used to help disperse the heat around the pipe.
Do I need to use thermal insulation?
Yes, thermal insulation is required on all heat trace applications. Without insulation, surface heat losses can increase approximately 4-5 times.
Do I have to spiral the trace heating onto the pipe?
Most applications can simply be straight traced, reducing costs of materials and installation time without compromising on operational requirements.
How do I terminate the heating cable?
Full termination instructions are provided with all our heating tapes
Do I have to allow extra heat for pumps and valves?
If the surface area of the pump is substantially greater than that of the adjoining pipework then extra heating cable may need to be considered (depending on wattage of cable installed). Pumps and ...
Does my trace heating system require maintenance?
Generally, no maintenance of our trace heating systems is required but it is recommended that the system is checked for operational and electrical integrity periodically or prior to the winter or p...
How do I test my trace heating system is working properly?
System checks depend on the system installed, constant wattage systems can be fully checked for insulation resistance and continuity. Self regulating systems can only be checked for insulation resi...
What is Heat Trace?
This is used for a pipe freeze protection application. Electric heat tracing, heat tape or surface heating, is a system used to maintain or raise the temperature of pipes and vessels. Trace heat...
What is heat tape for water pipes?
When water pipes are exposed to cold temperatures either outdoors, underground or in small spaces, you can protect them from freezing by wrapping them with heat tape. Heating tape is actually a cor...
Look for similar items by category
- Trace Heating Products > Installation Components > Junction Boxes
- Trace Heating Sectors > Industrial Applications > Components & Connections > Junction Boxes
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