The KJD20-2 (KJD6) switch has 4 connection terminals and can be used with machines drawing up to 10 (8) amps. NVR switch for Induction Motors up to 1 HP, IP54 .
Dimensions of switch body 42mm x 27mm
Depth behind mounting plate 36mm
Overall Dimensions 50mm x 30mm x 50mm
Requires a Rectangular hole 22 x 42mm , spring clips hold switch securely.
There are other compatible switches which may be substituted if KJD20-2 is not available;