What is an MRCD? The principle of modular residual current protection
The guide illustrates this model's “MRCD evaluation for AC and pulsating DC” function with a product example.
Read the technical guideProduct families / Residual current monitoring / LINETRAXX® SmartDetect MRCD410R
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BENDER DISTRIBUTOR IN TÜRKİYE · ADEO TEKNİK
Bender LINETRAXX® SmartDetect MRCD410RType A MRCD Module
Single-channel Type A modular residual current device (MRCD) for AC systems, sensitive to AC and pulsating DC. Protection requires a compatible measuring current transformer and an external circuit breaker with the trip release specified by the manufacturer.
TECHNICAL SUMMARY
Features of this model.
Modular residual current protection · MRCD
- Residual operating current setting 10 mA…30 A at 42…70 Hz.
- Prewarning 50…100% of the main alarm threshold; RMS measurement.
- Parameter setting via RS-485 / Modbus RTU and NFC.
- DC 24 V supply; additional AC/DC 100…240 V option for MRCD410R-2.
FROM PRODUCT TO TECHNICAL KNOWLEDGE
All technical guides ↗Related technical guides
Explore the product's function and its system's operating principle through technical explanations.
How do you choose Type A or Type B residual current monitoring?
The guide illustrates this model's “MRCD · Modular protection” function with a product example.
Read the technical guideRCM versus RCD: How does residual current monitoring work?
Learn the difference between residual current measurement/alarm and tripping for protection.
Read the technical guideADEO Teknik · Bender distributor in Türkiye
Ask ADEO Teknik Technical product information and supply support for model selection, compatible components and current manufacturer documentation.
MODEL, ORDER AND ACCESSORY INFORMATION
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11 / 11 options
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Model options and technical values
| Model | Supply voltage U S | Order code |
|---|---|---|
| MRCD410R-24 | DC 24 V | B74602020 |
| MRCD410R-2 | AC/DC 100…240 V; DC 24 V | B74603020 |
Explore compatible accessories
Compatible accessories · 1
| Model | Order code |
|---|---|
| Sealable transparent cover (spare part) | B80609199 |
Manufacturer table notes (original language):
Power supply
Compatible accessories · 2
| Model | Rated input voltage U IN | Rated voltage | Order code |
|---|---|---|---|
| STEP-PS/1 AC/24 DC/0.5 | AC 85…264 V, 45…65 Hz; DC 95…250 V | DC 24 V | B94053110 |
| STEP-PS/1 AC/24 DC/1.75 | AC 85…264 V, 45…65 Hz; DC 95…250 V | DC 24 V | B94053111 |
| STEP-PS/1 AC/24 DC/4.2 | AC 85…264 V, 45…65 Hz; DC 95…250 V | DC 24 V | B94053112 |
Manufacturer table notes (original language):
External measuring current transformers
Compatible accessories · 3
| Model | Internal diameter (mm) | Order code |
|---|---|---|
| CTAC20 | ø 20 | B98110005 |
| CTAC35 | ø 35 | B98110007 |
| CTAC60 | ø 60 | B98110017 |
| CTAC120 | ø 120 | B98110019 |
| CTAC210 | ø 210 | B98110020 |
Based on tables on the manufacturer's current product page. For marked-value footnotes, connection conditions and variant suitability, review Bender product source ↗ and the technical documents together. Listing an order code does not commit to stock availability or delivery time.
BENDER MANUFACTURER DOCUMENTS
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Find product and accessory documents by type or file name. Language and file information appear beside each document.
4 / 4 documents
Datasheet
MRCD410R
MRCD410R_D00496_D_XXEN.pdfTechnical summary source · pp. 1, 2Open document ↗Operating manualMRCD410R
MRCD410R_D00496_M_XXEN.pdfOpen document ↗Conformity documentMRCD4xx
CEKO_MRCD4xx.pdfOpen document ↗BrochureModular Residual Current Devices (MRCD)
MRCD_Fly_en.pdfOpen document ↗No documents match your search. Change the search or document type.
About manufacturer sources
This summary is based on the product descriptions, features and variant information on the specified document pages. Consult the manufacturer document for complete technical values, connection information and ordering options.
Current product and variant information · Bender ↗
Data sheets, operating manuals and related manufacturer documents. File names identify the model or accessory; documents retain their original language.
ADEO Teknik · Bender's distributor in Türkiye. Current Bender product source ↗
APPLICATIONS
Its role in your application.
Used with a suitable transformer and circuit breaker in earthed TN and TT circuits. LED indication, prewarning and an alarm relay allow residual current levels to be monitored.
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