M1 – Flat Operator, 2.5mm Height – Non-Illuminated
M2 – Flat Operator, 2.5mm Height – Illuminated, flush translucent ring
M3 – Flat Operator 2.5mm Height – Illuminated, flush colored ring (same color as LED)
M4 – Flat Operator 5.5mm Height – Illuminated, prominent translucent ring
M5 – Flat Operator 5.5mm Height – Illuminated, prominent colored ring (same color as LED)

Function: Pulse N/O
Materials: Aluminium or 316L Stainless Steel Connectors: Flying leads or Cable
Electrical Function: 1A 24 VAC/DC