The Emphatec SigNext-Class 2 Current Limiter can be used with any power supply rated up to 42A to power a Class 2 circuit rated up to 2.9A. Do you have a mix of Class 2 limited energy and non-Class 2 circuits in your control system? Want to avoid having to use 2 power supplies? Emphatec has the solution. The Emphatec SigNext - Class 2 Current Limiter can be used with any power supply rated up to 42A to power a class 2 circuit rated up to 2.9A. The module provides redundant electronic current sensing and limiting circuits, easily handles surge currents, provides an alarm output and can be remotely controlled.