This protobloc 2A (breadboard h21b) features 4 rows of 50 interconnected sockets suitable for use as power supply rails. All positions are clearly defined on an alphanumeric grid.

The ABS polymer board is mounted onto a rigid base plate complete with three 4mm terminals in red, black and green for power connections. A mounting bracket, which clips into the base, is also provided to accept a variety of components including switches and potentiometers, etc.

• V2 (29x5) grid size
• 840 holes
• 0.3 to 0.8mm wire size acceptability
• 3A contact current
• ABS polymer body material
• Silver nickel contact material
• White colour