Siemens A6X30136885 Key-Operated Switch
Overview
Keylock switches in industrial cabinets sit at the operator interface layer, positioned between the machine/process and the control logic — they provide a mechanical means to select machine operating modes or restrict access before a contact block assembly completes the electrical circuit. The A6X30136885 is a Siemens 22mm key-operated switch body from the 3SU1 series, supplied as a non-illuminated, box-encapsulated actuator that requires separate contact block(s) to form a complete switching function.
3SU1 Platform Context
The 3SU1 series is the Siemens modular 22mm operator interface family. Keylock variants in this series are offered with different lock barrel manufacturers (RONIS, O.M.R., CES) and switching position configurations, allowing selection of an authorization or mode-select function matched to the machine's safety or operating logic.
Keylock Switching Positions
The title suffix "O<I" indicates a two-position keylock arrangement — the "O" typically represents the OFF or locked position, and "I" represents the ON or run position. Position sequence and throw direction are determined by the barrel manufacturer and should be confirmed against the specific lock barrel specifications for the intended application.
Specification Summary
| Parameter | Value |
|---|---|
| Actuator Type | Keylock |
| Illumination | Non-Illuminated |
| Encapsulation | Box |
| Panel Cutout | 22.3mm (Round) |
| Series | 3SU1 |
| Compatible Series | Siemens, 22mm |
| Requires | Contact Block(s) |
| RoHS Compliance | ROHS3 Compliant |
| Product Status | Active |
Integration Notes
- Contact blocks required: The A6X30136885 ships as an actuator body only. Completing the switching function requires Siemens 3SU1 contact block modules ordered separately.
- Panel preparation: The stated panel cutout is 22.3mm round, consistent with the Siemens 22mm series mounting.
- Lock barrel: The "O.M.R." designation refers to the lock barrel manufacturer. Replacement barrels or key copies should match the O.M.R. profile specified.
Similar Catalog Parts
The table below shows in-catalog comparison rows with matching key parameters. All listed parts are Siemens 3SU1 series, non-illuminated, box-encapsulated, 22mm round panel cutout, and require contact blocks. Similarity scores reflect catalog-level parameter overlap and MPN prefix proximity — they are not interchange approvals.
| MPN | Title | Actuator Type | Illumination | Similarity |
|---|---|---|---|---|
| A6X30136870 | KEY-OPERATED SWITCH RONIS. O-I | Keylock | Non-Illuminated | 0.96 |
| A6X30136807 | KEY-OPERATED SWITCH O.M.R. O-I | Keylock | Non-Illuminated | 0.96 |
| A6X30136813 | KEY-OPERATED SWITCH O.M.R. O-I | Keylock | Non-Illuminated | 0.96 |
| A6X30136846 | KEY-OPERATED SWITCH CES. O-I | Keylock | Non-Illuminated | 0.96 |
Why these are catalog peers
All six rows share identical mechanical packaging (box encapsulation, 22.3mm round panel cutout), illumination type, contact block requirement, series designation, and RoHS status. The primary distinction among keylock variants is the lock barrel manufacturer: A6X30136870 uses RONIS barrel geometry, A6X30136813 and A6X30136807 use O.M.R. (same as the seed), and A6X30136846 uses the CES barrel profile. Position coding ("O-I") is shared across all four comparison rows.
FAQ
What is the lock barrel manufacturer for A6X30136885? The part uses an O.M.R. lock barrel. Other in-catalog variants for the same position coding use RONIS or CES barrels.
Can A6X30136870 be substituted for A6X30136885? Both parts share identical mechanical and series specifications, but they use different lock barrel manufacturers (RONIS vs. O.M.R.). The reader's own qualification process must confirm whether the barrel geometry is compatible with the application.
Does this switch include contact blocks? No. A6X30136885 is the actuator body only. Siemens 3SU1 contact block modules must be ordered separately to complete the electrical switching function.