RCM versus RCD: How does residual current monitoring work?
Learn the difference between residual current measurement/alarm and tripping for protection.
Read the technical guideOfficial Bender product image
BENDER DISTRIBUTOR IN TÜRKİYE · ADEO TEKNİK
Bender LINETRAXX® RCMA423Residual Current Monitoring
Monitoring AC, DC and pulsating DC residual currents in TN and TT systems.
- Type B, AC/DC-sensitive residual current monitoring.
- Adjustable alarm thresholds.
- Variant table specifies an alarm range of 30 mA…3 A.
A CLOSER LOOK AT THE PRODUCT
Technical specifications and functions.
Monitoring AC, DC and pulsating DC residual currents in TN and TT systems. When selecting, consider nominal values, supply options and required system components together.
Bender official product source ↗- Type B, AC/DC-sensitive residual current monitoring.
- Adjustable alarm thresholds.
- Variant table specifies an alarm range of 30 mA…3 A.
- Frequency range 0…2000 Hz.
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?
Review AC, pulsating DC and smooth DC detection coverage together with sensor and model selection.
Read the technical guideResidual current monitoring strategy: Where should measurements be taken?
Compare the information provided by measurement points at main distribution, sub-board and final-circuit levels.
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
Compare all options in the series.
Assess the option for your application using model names, order codes and technical values. Accessories appear in separate tables.
18 / 18 options
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Model options and technical values
| Model | Alarm range I Δn | Frequency range | Supply voltage U S * | Order code** |
|---|---|---|---|---|
| RCMA423-D-1 | 30 mA…3 A | 0…2000 Hz | DC 9,6…94 V / / AC 16…72 V, 42…460 Hz | B74043023 / B94043023 |
| RCMA423-D-2 | 30 mA…3 A | 0…2000 Hz | DC 70…300 V / / AC 70…300 V, 42…460 Hz | B74043025 / B94043025 |
Manufacturer table notes (original language):
* Absolute values **(B7… = push-wire terminal / B9… = screw-type terminal)
Explore compatible accessories
Compatible accessories · 1
| Model | Internal diameter (mm) | Order code |
|---|---|---|
| CTUB101-CTBC20 | ø 20 | B78120010 |
| CTUB101-CTBC20P | ø 20 | B78120020 |
| CTUB101-CTBC35 | ø 35 | B78120012 |
| CTUB101-CTBC35P | ø 35 | B78120022 |
| CTUB101-CTBC60 | ø 60 | B78120014 |
| CTUB101-CTBC60P | ø 60 | B78120024 |
| CTUB101-CTBC120 | ø 120 | B78120016 |
| CTUB101-CTBC120P | ø 120 | B78120026 |
| CTUB101-CTBC210 | ø 210 | B78120018 |
| CTUB101-CTBC210P | ø 210 | B78120028 |
Manufacturer table notes (original language):
Connection cable measuring current transformer – RCMA423-D
Compatible accessories · 2
| Model | Length/m | Order code |
|---|---|---|
| CTX-100 | 1 | B98110080 |
| CTX-250 | 2,5 | B98110081 |
| CTX-500 | 5 | B98110082 |
| CTX-1000 | 10 | B98110083 |
Manufacturer table notes (original language):
Accessories
Compatible accessories · 3
| Model | Order code |
|---|---|
| Mounting clip for screw mounting (one piece per device) | B98060008 |
| Mounting frame XM420 | B990994 |
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
Access technical documentation in one place.
Find product and accessory documents by type or file name. Language and file information appear beside each document.
4 / 4 documents
Datasheet
RCMA423
RCMA423_D00063_D_XXEN.pdfOpen document ↗DatasheetXM420 interface options
XM420-interface-option_D00051_D_XXEN.pdfOpen document ↗Operating manualRCMA423
RCMA423_D00063_M_XXEN.pdfOpen document ↗Conformity documentRCMA42x
CEKO_RCMA42x.pdfOpen document ↗No documents match your search. Change the search or document type.
About manufacturer sources
Data sheets and operating manuals open Bender’s official PDFs in a new tab. Documents are in English.
Other languages, accessory documents and current revisions · 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 ↗
Residual current monitoring
