Cross-connection terminal (jumper), plug-in, red, 24 A, Number of poles: 2, Pitch in mm: 5.10, Insulated: Yes, Width: 7.9 mm, ZQV 2.5N/2 RD 2108470000

Application in electrical installations

The ZQV 2.5N/2 jumper is used to create bridge connections between feed-through terminal blocks - enabling potential distribution or signal transmission without the need for individual wiring of each terminal. In practice, this means faster installation and a cleaner connection layout in control panels and industrial automation cabinets.

Thanks to the two-pole jumper, two adjacent terminals can be connected in a single motion - a solution particularly useful when duplicating input signals to multiple devices or when constructing common ground and power rails. The 5,1 mm pitch and plug-in mounting method ensure compatibility with standard feed-through terminal blocks. The total width of 7,9 mm corresponds exactly to the spacing of two poles - the jumper does not protrude beyond the outline of the terminals nor does it require additional spacers.

Construction and safety

The housing made of insulating material classifies the device as fully insulated. Protection against contact (finger protection) means that even when operating under voltage, the risk of accidental contact with conductive elements is eliminated - an important feature during service and commissioning work.

The manufacturer has confirmed compliance with Ex-e category requirements (protection against temperature rise in explosion-prone areas), which means it can be used in installations covered by the ATEX directive. The rated current of 24 A allows for the transmission of sufficient power for most low-voltage control circuits - from sensors and relays to communication modules and signaling systems. The red color coding facilitates the identification of signal paths against other functional connections in the control panel.

Installation and operation

The plug-in mounting system eliminates the need for tools - bridging is performed by sliding the jumper onto the terminal block until the lock clicks into place. This allows for rapid reconfiguration without interfering with the wiring of other circuits.

Fast tool-free installation translates to time savings in large multi-terminal installations, and the insulation protects against accidental electrical intervention during live work.