PRB 408
Encyclopedia
The PRB 408 is a Belgian
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 square shaped anti-tank mine
Anti-tank mine
An anti-tank mine, , is a type of land mine designed to damage or destroy vehicles including tanks and armored fighting vehicles....

 which consist of a polyethylene
Polyethylene
Polyethylene or polythene is the most widely used plastic, with an annual production of approximately 80 million metric tons...

case with a handle in one side and a cylinder in the top of the box. The mine contains a high explosive charge, a pressure-initiated fuze, a pressure plate and seven fuze wells but no power source. The mine is detonated when the pressure plate collapses by the action of a vehicle.

There is a variant, the PRB M3409, which has waterproof capabilities can be placed in shallow waters, it is probably the predecessor to the PRB M3 antitank mine.
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