A pneumatic 2-hand control device is used with dangerous machinery and requires the simultaneous use of both
hands to trigger and maintain machine operation. Such a device must be located outside the dangerous zone, so
that the operator cannot enter this zone before the machine has come to a complete standstill.
A pneumatic 2-hand control device is composed of 2 parts :
■ 2 manual pushbuttons which require the simultaneous use of both hands.
■ A pneumatic relay