Contactor 204 KM275171
Table of Contents
Contactor 204 KM275171
Siemens 204 Contactor
Kone KM275171 Contactor
Ordering the contactor 204 km275171
To order the contactor 204 km275171, send us a photograph of the existing unit and its nameplate at [email protected]. Please quote the complete code including any revision suffix so that our team can confirm the correct variant, current stock and lead time before you commit.
About the contactor 204 km275171
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The contactor 204 km275171 sits in the switches / sensors / wiring group, and it is replaced on a different service interval from the assemblies around it. In practice the failures we see on contactor 204 km275171 come down to contact pitting, moisture ingress at the cable gland, drifted optical alignment, and brittle insulation on travelling cables after years of flexing.
Every contactor 204 km275171 we supply is inspected before dispatch. Each unit is checked for physical damage, correct marking and the specific wear or degradation patterns that matter for this class of component, then packed to survive international transit. Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than discovering the difference on site.
Buying guidance and compatibility notes
Before ordering the contactor 204 km275171, confirm three things. First, the switch or sensor model, the mounting pattern, and the supply voltage and contact configuration (NO or NC). Second, contact configuration matters more than physical size — a switch that bolts straight on can still be electrically wrong. Third, whether the installation is a traction lift or an escalator, since duty cycle and loading differ between the two.
On fitting, one point is worth repeating: record the terminal numbers before disconnecting a travelling cable, since colour codes are not consistent between controller generations. Almost every repeat failure we see on contactor 204 km275171 traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
Switches and sensors fail in ways that are rarely visible. Contact pitting, insulation that has become brittle, and optical surfaces that have clouded over all degrade performance long before the component stops working altogether.
A unit showing a call button that works intermittently rather than not at all is usually telling you that the mounting pattern, supply voltage and contact arrangement are all confirmed against the original before shipping.
If you are unsure which variant of the contactor 204 km275171 you need, send a photograph of the nameplate and the existing component alongside a description of the fault. That is usually enough for our team to identify the correct replacement without a site visit, and it avoids the cost and delay of returning an incompatible part. We are also happy to advise on the other serviceable items in the same switches / sensors / wiring group, so a planned shutdown can cover several wear items at once.
Related parts and further reading
Because contactor 204 km275171 is only one item in the switches / sensors / wiring group, these related pages may help you plan the work:
- Elevator limit switches
- Elevator Levelling Sensor
- Elevator Encoder
- Elevator Push Button
- Elevator Display
Reference sources
The compatibility information on this page was cross-checked against the following authoritative references. Always confirm the exact reference against your own equipment nameplate.
