N–PE separation and residual current in TN-S and TT systems
The guide illustrates this model's “Comparing multiple measurement points” function with a product example.
Read the technical guideFour-channel residual current monitoring for earthed AC, AC/DC and DC systems.
Four-channel residual current monitoring for earthed AC, AC/DC and DC systems. When selecting, consider nominal values, supply options and required system components together.
Bender official product source ↗Explore the product's function and its system's operating principle through technical explanations.
The guide illustrates this model's “Comparing multiple measurement points” function with a product example.
Read the technical guideThe guide illustrates this model's “RCMS: four-channel residual current monitoring” function with a product example.
Read the technical guideThe guide illustrates this model's “Multi-point monitoring in main and sub-distribution” function with a product example.
Read the technical guideTechnical product information and supply support for model selection, compatible components and current manufacturer documentation.
Assess the option for your application using model names, order codes and technical values. Accessories appear in separate tables.
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| Model | Display | Inputs/outputs; relays (changeover contacts) | Supply voltage | Enclosure |
|---|---|---|---|---|
| RCMS410 | LED bargraph | M+, Q, I | DC 24 V | 1 DU |
| RCMS425-L | LED bargraph | M+, Q, I; K1, K2 | DC 24 V; AC/DC 100...240 V | 2 DU |
| RCMS425-D | TFT display | M+, Q, I; K1, K2 | DC 24 V; AC/DC 100...240 V | 2 DU |
Functional Module Selection
The function modules can be purchased ex works or subsequently as an unlimited licence. Subsequent activation of individual or multiple function modules is possible for all variants (item no.).
All variants can be used with type A/F measuring current transformer series. The B function module is required to use type B/B+ measuring current transformer series for AC/DC sensitive measurement.
Function modules:
| Model | Customer-specific factory settings | Active function modules | Order code |
|---|---|---|---|
| RCMS410 | Possible* | Customer-specific* | B84604040 |
| No | B | B84604041 | |
| No | A, B, C | B84604042 | |
| RCMS425-L | Possible* | Customer-specific* | B84605040 |
| No | B | B84605041 | |
| No | A, B, C | B84605042 | |
| RCMS425-D | Possible* | Customer-specific* | B84606040 |
| No | B | B84606041 | |
| No | A, B, C | B84606042 |
* As part of the ordering process, customer-specific factory settings can be defined together with our sales department for some parameters (e.g. response values and interface settings) with which the units are delivered. The reference to a customer-specific configured variant can then be found on the packaging of the individual product as well as in the delivery note (the changed parameters are listed there, the assignment is made via the item number in the delivery note and the serial number of the unit).
| Module | Application | Order code |
|---|---|---|
| Function module A | Harmonic analysis (FFT) | B75061020 |
| Function module B | AC/DC sensitive measurement for use with current transformer series Type B/B+ | B75061021 |
| Function module C | Connection of type A external current transformers | B75061022 |
Power supply units
| Model | Maximum number of connectable current transformers | Order code |
|---|---|---|
| STEP-PS/1 AC/24 DC/0.5 | 4 | B94053110 |
| STEP-PS/1 AC/24 DC/1.75 | 14 | B94053111 |
| STEP-PS/1 AC/24 DC/4.2 | 34 | B94053112 |
Measuring current transformers
| Model |
|---|
| CTUB100 series |
| CTBS25 |
| CTAC series |
| W…-S… series |
| WR…S(P)series |
| WS series |
| WS…S series |
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.
Find product and accessory documents by type or file name. Language and file information appear beside each document.
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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 ↗
Contact your distributor in Türkiye for product selection, technical documents and quotations.