Kabelmeister Jumper Wire Set 40-Pin Male-to-Female, Separable Ribbon, 20 cm, 2.54 mm, for Arduino & Raspberry Pi, Multicolour
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KABELMEISTER
Kabelmeister Jumper Wire Set 40-Pin Male-to-Female, Separable Ribbon, 20 cm, 2.54 mm, for Arduino & Raspberry Pi, Multicolour
€3.71 inc. VAT
JW40-020MF
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Kabelmeister 40-Pin Jumper Wire Set — Male-to-Female, 20 cm
40 wiresMale → female20 cm2.54 mm pitch
The Kabelmeister JW40-020MF is a set of 40 male-to-female jumper wires, 20 cm long, joined as a multicolour ribbon that you peel apart singly or in groups, for connecting breadboards, Arduino boards, Raspberry Pi GPIO pins and sensor modules at 2.54 mm pitch.
Male-to-female is the combination you need most often with a Raspberry Pi or a sensor breakout: the female end slides onto a pin header, the male end plugs into a breadboard or a female header on an Arduino. Keeping the wires in a ribbon until you need them stops the usual tangle in the parts box, and the different colours make it easier to follow a connection from one end to the other.
What's in the Box
- 1 × set of 40 jumper wires, male-to-female, 20 cm, joined as a separable multicolour ribbon
What It Means in Practice
- Female end onto a Raspberry Pi GPIO pin or a sensor’s pin header; male end into a breadboard or Arduino socket.
- Peel off exactly as many wires as you need — or keep 2–10 together as a neat multi-wire lead to a module.
- Use colours consistently (e.g. red for 3.3 V/5 V, black for GND) to make debugging much easier.
- 20 cm is enough to reach from a Pi or Arduino to a breadboard next to it without loops of spare cable.
What Will Not Work
- It is not for male-to-male (breadboard to breadboard) or female-to-female (pin to pin) connections — those need the M-M or F-F sets.
- The 28 AWG copper-clad steel conductors are for low-voltage signals and small loads — not for motors, LED strips with high current or anything mains-powered.
- It is not a soldered, permanent connection: the push-on ends can loosen with vibration.
- It is not a ribbon cable with an IDC connector for the whole 40-pin header in one piece.
Key Features
40 separable wires
One ribbon of 40 that splits singly or in groups.
Male-to-female
Pin header to breadboard or Arduino socket.
2.54 mm standard
Fits standard 0.1-inch headers and breadboards.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight · Buyer's Guide
For prototyping, a mixed stock of M-F, M-M and F-F jumpers saves a lot of improvising; M-F is the one you run out of first when working with a Pi and sensor modules. If you are starting a new Raspberry Pi project, remember the board also needs a good microSD card — see our SD cards.
✓ Buy it if you connect a Raspberry Pi, Arduino or sensor modules to a breadboard and need male-to-female leads.
✕ Skip it if you need male-to-male or female-to-female wires, or connections carrying real current.
→ Also consider Kabelmeister female-to-female and male-to-male 40-pin jumper sets for complete prototyping coverage.
Not sure it fits your setup? Send us the model of your rack, switch or device and we will check compatibility before you order.
Features - KABELMEISTER - JW40-020MF
Length
0.2m
More Details
Product Code
04:480177
EAN Code
4066857001900
Manufacturer
KABELMEISTER