Connectors

• Barrier Terminal Block (BTB)





Use:
Terminal rails enable the easy connection of thermocouples or resistance thermometer measurement circuits in junction boxes or on the rear side of devices.

Mechanical design:

• Core material of fibreglass-filled nylon
• Insulators between the contacts prevent short-circuits.
• Screw connections for easy installation.
• Available in a wide range of thermo-pairings.
• Dimensions suitable for the use of cable-shoes A-20.131-(...) and A-20.132-(...).


Temperature load:

• Max. 200 °C.


Conductor diameter:

• Reliable connection from 0.2 to 3.0 mm.


Designation:

• The housing colour is black and the terminal bridges are labelled with the material.
• See table.



• Rail Terminal Block (RTB)





Use:
The arrangement as series terminals allows a large number of connections with a low space requirement.

Mechanical design:

• Housing of Duroplast.
• The design reliably prevents short-circuits.
• The terminal width of 5 mm allows the maximum number of connections with the lowest possible space requirement.
• Screw connections for easy and quick installation.
• Installation parts set available as an accessory, including all additional parts required for rail installation.
• Contact bridges of original thermocouple materials.


Conductor diameter:

• Reliable connection from 0.1² to 2.0²


Temperature rating:

• Max. 100 ºC.


Designation:

• Installation part set number and polarity label for insertion into a labelling field.
• Further labels available on request.
• See table.
• Lug – open (LUG)





Use:
Enables neat connection of thermocouple cables to devices or terminal rails. This is advisable particularly in the case of small conductor dimensions.

Mechanical design:

• Solid thermocouple material.


Material  –  Code  –  Order no.:

• Chromel   –   KP/EP A-20.131-1
• Iron  –  JP  –  A-20.131-2
• Copper  –  TP/RP  –  A-20.131-3
• Nicrosil  –  NP  –  A-20.131-4
• Alumel  –  KN  –  A-20.131-5
• Constantan  –  EN/JN/TN  –  A-20.131-6
• Alloy#11  –  RN  –  A-20.131-7
• Nisil  –  NN  –  A-20.131-8



• Lug – closed (LUG)





Use:
Enables neat connection of thermocouple cables to devices or terminal rails. This is advisable particularly in the case of small conductor dimensions.

Mechanical design:

• Solid thermocouple material.


Material  –  Code  –  Order no.:

• Chromel  –  KP/EP  –  A-20.132-1
• Iron  –  JP  –  A-20.132-2
• Copper  –  TP/RP  –  A-20.132-3
• Alumel  –  KN  –  A-20.132-5
• Constantan  –  EN/JN/TN  –  A-20.132-6
• Alloy#11  –  RN  –  A-20.132-7