Frequency Inverter OVFR03B-402 KCA21310ABF2
Table of Contents
Frequency Inverter OVFR03B-402 KCA21310ABF2
OVFR XiziOtis Drive
Version is 03B-402
ID number is KBA21310ABF2
Elevator Inverter KBA21310ABF2 OVFR03B-402 Inverter Elevator Inverter
New and Original Elevator OVFR03B-402 inverter KBA21310ABF2
Elevator Frequency Inverter OVFR03B-402 KAA21310ABF2 KBA21310ABF2
100% Original OTIS Inverter Converter OVFR 03B-402 KBA21310ABF2 drive
Ordering the frequency inverter ovfr03b-402
To order the frequency inverter ovfr03b-402, 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 frequency inverter ovfr03b-402
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The frequency inverter ovfr03b-402 sits in the control board / PCB group, and it is replaced on a different service interval from the assemblies around it. In practice the failures we see on frequency inverter ovfr03b-402 come down to electrolytic capacitor ageing, cracked solder joints around the power stage, corroded edge connectors, and blown output transistors after a supply fault.
Every frequency inverter ovfr03b-402 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 Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than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 frequency inverter ovfr03b-402, confirm three things. First, the controller catalogue number and the board revision letter, plus the fault code stored in the controller memory. Second, the same board is frequently fitted across several controller families, so the equipment model alone is not enough to identify the right revision. 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: discharge the DC bus before removing a power board, and photograph the connector layout before you unplug anything. Almost every repeat failure we see on frequency inverter ovfr03b-402 traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
Firmware is the hidden variable. Two boards with the same part number can carry different firmware revisions, and a replacement that is electrically correct may still need a parameter download before the lift will run properly. Where we know this applies, we say so before shipping.
Where the root cause is aging electrolytic capacitors that have lost capacitance rather than failed outright, in our experience we confirm the revision letter against the original rather than trusting the order code alone.
The power stage is where most board failures originate, and it is usually a symptom rather than a cause. Blown output devices normally follow a motor, cable or supply fault, so replacing the board without finding the underlying problem is a reliable way to destroy the replacement as well.
If you are unsure which variant of the frequency inverter ovfr03b-402 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 control board / PCB group, so a planned shutdown can cover several wear items at once.
Related parts and further reading
Because frequency inverter ovfr03b-402 is only one item in the control board / PCB group, these related pages may help you plan the work:
- Elevator spare parts
- Door Operator Controller
- Elevator Display
- Elevator Encoder
- Elevator Service Tool
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.
