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Hochstromkontakte mit maximalem Drehmoment



PowerPlus high current terminal blocks and spacers are made of a brass base body and a stainless steel screw/nut element offering very low weight and a maximum torque. The special design of the base body allows a double-sided assembling on the same position. Depending on the pin arrangement and the layout, currents of up to 400 ampere are possible. That is the reason why Power Elements perfectly qualify as connecting elements for fuses and cables to the circuit board or as mounting elements whenever a high torque is required. Various lengths of threaded pins are available.

Application Possibilities

  • Board-to-board
  • Wire-to-board screw connection of ring terminals
  • Retainers/fastenings, fuses
  • For mounting with high torques


Würth Elektronik PowerPlus Power Elements are pressed in into the circuit board. Soldering is not necessary. Therefore, the PCBs are not exposed to temperature stress. This processing step easily blends in to the processing chain and is highly cost efficient. With the aid of the corresponding Press Fit tools, several Power Elements can be pressed in simultaneously.

  • For assembling prototypes, no special equipment is needed for pressing in, a simple toggle press is sufficient
  • The circuit board needs support during the pressing procedure
  • The pressing force must be executed in a 90° angle to the circuit board
  • Plated through holes of the circuit board must be executed according to our indications
  • Only for use with adequate pressing tools
  • In case of double-sided use, the smallest Power Element must be pressed in first

Circuit Board Design

For the massive Press Fit Technology the PCBs are to be finished according to the Würth Elektronik ICS Press Fit specifications (see product details). Particular attention should be paid to the drill diameter and the copper thickness. Due to the different layer thicknesses of Hot Air Levelling compared to chemical surfaces, the final diameters vary.


The torques indicated in the table are based on DIN 267 part 25. Different material combinationsor different thread lengths of the connectors are not regarded here.

Torque values for stainless steel
Thread size M 4 M 5 M 6 M 8 M 10 M 12
(Nm) 1,8 3,9 5,9 16,0 31,0 42,0

Current Carrying Capacity

The current carrying capacity of a Press Fit connection needs to be seen in the context of the overall system. The Press Fit zone has a very low electrical contact resistance of 100 - 200 μOhm. The limiting factor therefore usually lies in the circuit board layout or in the connection of a feed line.

Data sheet-Download

In the product data sheet you will find all the information about PowerPlus in PDF format.