Double Level PCB terminal blocks, COMBICON MKKDSN - Phoenix Contact The MKKDSN series from Phoenix Contact are double layer terminal blocks from the very popular COMBICON range. They're screw-connection terminal blocks and have a low-temperature rise thanks to their impressive maximum contact force. they also boast well-known connection principles that allow you to use these terminal blocks worldwide and in most applications while also having latching on the side that enables a number of positions to be combined. Not to mention, the MKKDSN series are designed to be wave soldered onto the PCB.

These PCB terminal blocks are rated for a nominal current of 17.5 A with a nominal voltage of 400 V. They boast Cu (Copper) alloy contact plates whilst being built in a green polyamide housing. Features and benefits:

• Double level terminal block with screw connections (M3)


• 5.08mm pitch for great compatibility


• Low temperature rise thanks to its maximum contact force


• Conductor connection on several levels enables higher contact density


• The latching on the side enables various numbers of positions to be combined

How do PCB terminal blocks work? PCB terminal blocks simply allow you to connect wire into a socket that then transmits the data to the PCB. They work having you plug in a wire of the correct AWG into the socket that is then usually locked down by either a screw or spring-cage for a strong connection. This connection is also connected to the output pins that have been soldered onto the PCB.