Mitsubishi Magnetic Contactor
Table of Contents
Mitsubishi Magnetic Contactor
SD-N21 Mitsubishi Magnetic Contactor
Mitsubishi Magnetic Contactor S-N21
SD-N series has 110V and 120-125V two type
And S-N series AC110V AC120-125V and DC110V DC120-125V
Ordering the mitsubishi magnetic contactor
To order the mitsubishi magnetic contactor, send the exact model or reference code printed on the original part to [email protected]. Please quote the full code including any suffix so that our team can confirm the correct variant, current stock and lead time before you commit.
About the mitsubishi magnetic contactor
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The mitsubishi magnetic contactor 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 magnetic contactor 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 magnetic contactor 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 Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than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 magnetic contactor, 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 magnetic contactor traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
Displays, buttons and intercoms are passenger-facing, so their failure is immediately visible and often reported before any technical diagnosis is possible. Keeping common faceplates and modules in stock shortens the outage considerably.
When a customer reports a display that shows the wrong direction while the car travels correctly, our first question is about insulation on a travelling cable that has gone brittle inside the bundle where it cannot be seen rather than about the electronics.
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.
From a spares point of view, terminal numbers are recorded before a travelling cable is disconnected, since colour codes are not consistent between controller generations; the switch or sensor model, the mounting pattern and the contact configuration identify the correct replacement.
Inductive loads are hard on switching contacts. A contactor or relay that switches a motor or a coil will pit far faster than one carrying a resistive load of the same rating, which is why the same physical device can last years in one position and months in another.
If you are unsure which variant of the mitsubishi magnetic contactor 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 magnetic contactor 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.
