DIN VDE 0620-1 Lehre 19a Gauge for Testing Force Required to Open Shutter for Sockets 16 A, 250 V ~ According to DIN 49440-1.
According to standard DIN VDE 0620-1.
VDE 0620-1 Lehre 19b Gauge for Testing Force Required to Open Shutter for Outlets 2.5 A, 250 V ~ According to DIN 49440-2 and DIN 49437.
According to standard DIN VDE 0620-1.