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Question & Answers

What is the difference between articles 1128A and 1128P?

Articles 1128A and 1128P (Panel mounted socket with screw contact) are almost identical products. However, article 1128P has a pilot contact that can be used for additional signalling/controlling. 

What does the standard 60309 mean?

The standard DIN EN / IEC 60309 is an international standard for plugs and sockets, electric couplers and device connectors that are primarily intended for industrial use (with nominal operating voltages of up to 1000 V, 500 Hz and a nominal current of up to 125 A). Part 1 of the standard describes the general requirements for all industrial connectors. Part 2 specifies a series of connectors with round housings with different numbers and arrangements of contact pins for different applications. Our CEE plugs and sockets are manufactured in accordance with this standard. 

What does the standard BS EN 61439 mean?

The standard DIN EN / IEC 61439 replaced the standard 60439 at the end of 2014. The standard describes the design and test specifications for low-voltage switchgear combinations. The standard defines the safety requirements for devices that are used to distribute electrical energy in industry, in private households and on construction sites. The standard guarantees a higher safety standard and is used, for example, for energy distributors, switchgear and distribution cabinets. More information

What do I use a 7-pin device for?

7-pin plugs and sockets can be used for any application that requires additional contacts. You can find our range of 7-pin products on pages 70, 71 & 72 of the UK catalogue. More information

What does the colour of a product signify?

The colour of a product relates to the nominal operating voltage. Our plugs and connectors are available, for example in Red, Blue, Yellow, Green and Black. You can find an overview of the colour codes and what they relate to at: more information

What do I use a phase inverter product for?

If a three-phase motor runs in the incorrect direction, our phase inverter products solve the problem quickly and safely. Use a screwdriver to release the lock and turn the insulating section with the two phase pins - the motor will now run in the opposite direction. More information

What is a rotating field control test plug?

Three-phase sockets must be connected in such a way that there is a clockwise rotating field. The rotating field control test plug differs from normal plugs due to its transparent housing. By means of two control lamps inside the housing, this plug indicates whether the field is rotating in a clockwise or anticlockwise direction and checks that all 3 phases are present. This shows the direction of the rotating field. If the rotating field is correct, the green lamp lights up; if the rotating field is incorrect, the red lamp lights up and if a phase is missing, both lamps light up. More information

What is the difference between AMELAN and Polycarbonate?

The housings and elements of many of our plugs and sockets are made of the thermoplastic AMAPLAST® (PC/PA), a robust engineering grade plastic which offers good electrical insulation as well as being very strong and resistant to heat, seawater, oil and petrol. The engineering grade thermoplastic PBT (formerly AMELAN), on the other hand, is a special plastic that we offer for the housings and elements of some plugs and sockets. This plastic provides protection against chemicals and other aggressive substances such as oils, fuels, greases and alkalis. Our products with this special plastic can be used, for example, in the food and chemical industries or in refineries. 

Where can I find my MENNEKES contact?

You can find your MENNEKES contact at national contact persons. Simply choose your region - the right contacts for technical service, project support, offers and orders will then be displayed (including telephone number and email address). More information