Junction Boxes for Light Indication and Connection of Heating Cables to Power Supply

Junction Boxes for Light Indication and Connection of Heating Cables to Power Supply

Junction boxes for light indication are designed to indicate the availability of power for heating sections based on self-regulating electric heating cables* and is intended for connecting heating cables to power network.

For installation onto a wall, onto a nearby metal structure or using a bracket directly onto the pipeline (brackets supplied separately).

Boxes JB2221-223 – allow connecting of one self-regulating heating cable to the power cable or two cables if the box is used for splicing.

Boxes JB2221-333 – allow connection to the power cable of up to three self-regulating heating cables with screw terminal straps and up to two – with push-in terminals.

The enclosure design ensures moisture and dust ingress protection IP66 and high corrosion stability. Cable glands of the box are intended for connecting unarmored power cables with a diameter of 7 to 18 mm or armored power cables with a diameter of 12 to 20 mm.

The installed terminal blocks allow the connection of multi-core or single-core wires with a cross-section of 1.5 to 10 mm². Design options with screw or push-in terminals are available to order.

A light indicator with a super bright LED signals voltage at the heating section termination.

The green LED has a long service life and has a 180° angle view, including in direct sunlight.

or Call 01484 859 700

Details

Trace Heating Products LTD would ship directly to you upon order confirmation.

For the most accurate delivery estimate please get in touch.

Have any questions? We’re always here to help! Please reach out to us with any questions you may have, and we will get back to you promptly.

Call 01484 859 700 or 0151 363 8044
Email sales@thpuk.co.uk

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Product Description

Accessories (to be ordered separately)

Connection kit for self-regulating heating cables is specified depending on the type of cable used.

Brackets PB, KP, PL.JB0606 – for mounting the box onto the pipeline.

Z-profile – for mounting the box onto a metal structure or onto a wall.

Metal pipe strap PFS/3 – for mounting the bracket onto the pipeline.

Cable entry unit LEK/U – for penetrating of thermal insulation.

Features

  • Provides light indication of power voltage presence at the end of heating cable section and connection of cables to power network
  • Compatible with all types of self-regulating electric heating cables
  • High mechanical strength
  • Critical component parts are included in the scope of supply. Metal pipe strap PFS/3, cable entry unit.
  • Wide application range
  • Quick and easy installation
  • High thermal stability
  • Non-corrosive
  • Approved for installation in explosion hazard areas

Technical Data

Dust and moisture protection rating – IP66
Explosion protection marking – Ех db еb IIC Т6…Т3 Gb / Ex tb IIIC T85°C…T165°C Db
Temperature group of the explosion hazard area – Т6
Operating ambient temperature range –  -60…+55 °С
Operating voltage – max 550 V
Operating current – max 50 A
Electric life of the LED – >10 hours
LED power intake –  <1 W
Light source – green LED
View angle – 180°
Enclosure dimensions JB2221-223 – 122×120×91.5 mm
Enclosure dimensions JB2221-333 – 160×160×94.5 mm
Total weight (maximum) JB2221-223 – 1.55 kg
Total weight (maximum) JB2221-333 – 2.44 kg
Material Box / Color  Glass fiber reinforced polyester / Black

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