Tdk lambda single output din rail mount power supply tdk lambda drb 30 24 1 the tdk lambda drb 30 24 1 is a din rail power supply operating at 24 28v 125a this power supply is ideal for low power applications that require a keenly priced basic functionality it has been designed to support the growing trend for simple and economic din power solutions in industrial building automation and process control applications the drb 30 24 1 combines low cost and extremely compact dimensions with i