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switch:marquardt_series_6180 [30 Dec 2023 00:14] erisswitch:marquardt_series_6180 [30 Dec 2023 16:08] (current) eris
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 |  **Marquardt Series 6180**  || |  **Marquardt Series 6180**  ||
-| {{ :switch:6180black.jpg?320&detail|The more common Marquardt Series 6180 Black}} ||+| {{ :switch:6180black.jpg?320&detail|The more common Marquardt Series 6180 Black}} \\ {{ :switch:6180brown.jpg?320&detail|The earlier Marquardt Series 6180 Brown}}||
 | **Manufacturer** | Marquardt | | **Manufacturer** | Marquardt |
 | **Part Number** | 6180 | | **Part Number** | 6180 |
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 | **Quoted operating force** | Unknown | | **Quoted operating force** | Unknown |
 </WRAP> </WRAP>
-**Marquardt Series 6180** is a DIN-compliant linear switch series manufactured by Marquardt. It consists of two variants.+**Marquardt Series 6180** is a DIN-compliant linear switch series manufactured by Marquardt. It consists of two variants. It is deeply related to [[switch:cherry_mx_olympia_clear | Cherry MX Olympia Clear]] which appears to have been a custom order switch for Marquardt that is interchangeable with Series 6180. 
 + 
 +==== General Characteristics ==== 
 + 
 +Both switches in the series share the same general design, two-stage spring, bottom housing, including integrated diode, and contact module. They also share a similar method of action - i.e. that the stem makes contact with a separate part, which then puts pressure on the contact module. Housings are two-way incompatible between the switches in the series due to the actuator part sitting differently in the housing in each switch. 
 + 
 +==== Series 6180 Brown ==== 
 +This is the earlier version of the switch, found in an Olympia Carrera dated 1986. It has a dark brown top housing, and a slightly mint green stem. The stem is MX mount, and slides past a semi-free-floating contoured plastic rocker (it merely rests in a recess in the top housing) with a peg on the other side. This peg is what puts pressure on the contact module, closing the circuit. The switch weighting is in the ballpark of [[switch:cherry_mx_black|MX Black]], and has 4mm travel. When fully depressed, the stem is completely inside the housing. 
 + 
 +==== Series 6180 Black ==== 
 +This later version of the switch, found in a 1988-dated Carrera, has a completely black top housing and white stem. The stem remains MX mount, but is slightly taller than the brown variant and has a notch. Instead of a plastic rocker, it slides past a uniquely shaped leaf spring, which rests in a slit in the top housing. It has a prong which puts the pressure on the contact module. This switch is significantly heavier ((through unscientific measurement, somewhere in the range of 10-20gf heavier - possibly a combination of a stiffer return spring and weight from the leaf spring)). It still has 4mm travel, but the stem is slightly outside of the housing at bottom out.  
 + 
 +==== Gallery ==== 
 +<gallery> 
 +:switch:20211102_130251.jpg 
 +:switch:20211105_203639-2.jpg 
 +:switch:breakdown.jpg 
 +</gallery> 
 + 
 +{{tag> switch:oem-marquardt switch:type-linear switch:sense-contact}}