Mitsubishi 1370 limit switch
Table of Contents
Mitsubishi 1370 limit switch
Mitsubishi S3-A1371 limit switch
Mitsubishi 1370 limit switch
Mitsubishi 1371 limit switch
S3-1370B 1370A LX41 deceleration switch
S3-1371B 1371A LX41 deceleration switch
Ordering the mitsubishi 1370 limit
To order the mitsubishi 1370 limit, 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 mitsubishi 1370 limit
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The mitsubishi 1370 limit 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 mitsubishi 1370 limit 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 mitsubishi 1370 limit 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 Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than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 mitsubishi 1370 limit, 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 mitsubishi 1370 limit traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
Travelling cables are a special case. They flex on every trip, and the failures happen inside the insulation where they cannot be seen. Replacing a cable that has reached its flex life is cheaper than diagnosing the intermittent faults it will otherwise cause.
Lift electrics fail invisibly, and then they fail abruptly; indicative and passenger-facing items are worth holding as stock, because their failure is reported immediately by the building.
Contact ratings matter more than physical fit. A relay that bolts into the same socket as the original can still be wrong for the application if its coil voltage or contact arrangement differs, and the resulting fault will appear somewhere else entirely in the circuit.
The underlying cause is usually insulation on a travelling cable that has gone brittle inside the bundle where it cannot be seen, which is why the switch or sensor model, the mounting pattern and the contact configuration identify the correct replacement.
Spares strategy for electrical items is different from mechanical ones. Because the failure is invisible until it happens, holding common switches, sensors and relay types on the shelf is usually more valuable than holding a single expensive assembly.
If you are unsure which variant of the mitsubishi 1370 limit 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 mitsubishi 1370 limit 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.
