RCM versus RCD: How does residual current monitoring work?
Learn the difference between residual current measurement/alarm and tripping for protection.
Read the technical guideMonitoring device offering 12-channel residual current monitoring with the appropriate measuring current transformers.
The exact model, accessories and operating conditions are selected according to the relevant manufacturer document.
Explore the product's function and its system's operating principle through technical explanations.
Learn the difference between residual current measurement/alarm and tripping for protection.
Read the technical guideReview AC, pulsating DC and smooth DC detection coverage together with sensor and model selection.
Read the technical guideCompare the information provided by measurement points at main distribution, sub-board and final-circuit levels.
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.
64 / 64 options
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| Model | Supply voltage U S | Order code |
|---|---|---|
| RCMS490-D-1 | DC 16…94 V / AC 16…72 V, 42…460 Hz | B94053005 |
| RCMS490-D4-1 | DC 16…94 V / AC 16…72 V, 42…460 Hz | B94053011 |
| RCMS490-D-2 | DC 70…276 V / AC 70…276 V, 42…460 Hz | B94053006 |
| RCMS490-D4-2 | DC 70…276 V / AC 70…276 V, 42…460 Hz | B94053012 |
| Model | Order code |
|---|---|
| STEP-PS/1 AC/24 DC/0.5 (Power supply unit for supplying up to 4 CTUB100 series measuring current transformers)* | B94053110 |
| STEP-PS/1 AC/24 DC/1.75 (Power supply unit for supplying up to 14 CTUB100 series measuring current transformers)* | B94053111 |
| STEP-PS/1 AC/24 DC/4.2 (Power supply unit for supplying up to 34 CTUB100 series measuring current transformers)* | B94053112 |
| DI-1PSM (RS-485 repeater) | B95012044 |
* Not usable with CTUB101
Repeaters and interface converters
| Model | Description | Supply voltage U S * | Order code |
|---|---|---|---|
| COM465IP | Condition Monitor with integrated gateway: Bender system/Ethernet | AC/DC 24…240 V, / DC, 50…60 Hz | B95061065 |
| COM465IP / Function package A | Individual text messages for all devices/channels, device failure monitoring, / email in the event of an alarm | -- | B75061011 |
| COM465IP / Function package B | Modbus TCP server for max. 98 * 139 BMS nodes as well as BCOM and / universal measuring devices, SNMP server | -- | B75061012 |
| COM465IP / Function package C | Parameter setting of BMS devices as well as BCOM and / universal measuring devices | -- | B75061013 |
| COM465IP / Function package D | Visualisation of Bender systems, System visualisation | -- | B75061014 |
| COM465IP / Function package E | Virtual devices | -- | B75061015 |
| COM465IP / Function package F | Integration of third-party devices | -- | B75061016 |
| CP907-I | Condition Monitor for the connection of Bender BMS devices and / universal measuring devices to TCP/IP networks | -- | B95061031 / B95061032 |
| CP915-I | Condition Monitor for the connection of Bender BMS devices and / universal measuring devices to TCP/IP networks | -- | B95061033 / B95061034 |
* Absolute values
Alarm indicator and test combination
| Model | Order code |
|---|---|
| MK2430-11 | B95100001 |
| MK2430-12 | B95100002 |
| MK2430H-12 | B95100024 |
Pulsating current sensitive measuring current transformers for RCMS460/490
| Model | Internal diameter/mm | Construction type | Order code |
|---|---|---|---|
| CTAC20 | ø 20 | circular | B98110005 |
| CTAC35 | ø 35 | circular | B98110007 |
| CTAC60 | ø 60 | circular | B98110017 |
| CTAC120 | ø 120 | circular | B98110019 |
| CTAC210 | ø 210 | circular | B98110020 |
| WR70x175S | 70 x 175 | rectangular | B11738 |
| WR70x175SP | 70 x 175 | rectangular | B11790 |
| WR115x305S | 115 x 305 | rectangular | B11739 |
| WR115x305SP | 115 x 305 | rectangular | B11791 |
| WR150x350S | 150 x 350 | rectangular | B911740 |
| WR150x350SP | 150 x 350 | rectangular | B911792 |
| WR200x500S | 200 x 500 | rectangular | B911763 |
| WR200x500SP | 200 x 500 | rectangular | B911793 |
| WS20x30 | 20 x 30 | split-core | B98080601 |
| WS50x80 | 50 x 80 | split-core | B98080603 |
| WS80x120 | 80 x 120 | split-core | B98080606 |
AC/DC sensitive measuring current transformers for RCMS460/490
| Model | Internal diameter/mm | Construction type | Order code |
|---|---|---|---|
| CTUB102-CTBC20 | ø 20 | circular | B78120011 |
| CTUB102-CTBC20P | ø 20 | circular | B78120021 |
| CTBS25 | ø 25 | circular | B98120060 |
| CTUB102-CTBC35 | ø 35 | circular | B78120013 |
| CTUB102-CTBC35P | ø 35 | circular | B78120023 |
| CTUB102-CTBC60 | ø 60 | circular | B78120015 |
| CTUB102-CTBC60P | ø 60 | circular | B78120025 |
| CTUB102-CTBC120 | ø 120 | circular | B78120017 |
| CTUB102-CTBC120P | ø 120 | circular | B78120027 |
| CTUB102-CTBC210 | ø 210 | circular | B78120019 |
| CTUB102-CTBC210P | ø 210 | circular | B78120029 |
Connection cable for CTUB100 series measuring current transformers
| Model | Length/m | Order code |
|---|---|---|
| CTXS-100 | 1 | B98110090 |
| CTXS-250 | 2,5 | B98110091 |
| CTXS-500 | 5 | B98110092 |
| CTXS-1000 | 10 | B98110093 |
Flexible measuring current transformers (pulsed DC sensitive) for RCMS460/490
| Model | Internal diameter/mm | Supply voltage U S | Order code |
|---|---|---|---|
| WF170-1 | 170 | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B78080201 |
| WF170-2 | 170 | DC 70…300 V / AC 70…300 V, 42…460 Hz | B78080202 |
| WF250-1 | 250 | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B78080203 |
| WF250-2 | 250 | DC 70…300 V / AC 70…300 V, 42…460 Hz | B78080204 |
| WF500-1 | 500 | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B78080205 |
| WF500-2 | 500 | DC 70…300 V / AC 70…300 V, 42…460 Hz | B78080206 |
| WF800-1 | 800 | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B78080207 |
| WF800-2 | 800 | DC 70…300 V / AC 70…300 V, 42…460 Hz | B78080208 |
| WF1200-1 | 1200 | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B78080209 |
| WF1200-2 | 1200 | DC 70…300 V / AC 70…300 V, 42…460 Hz | B78080210 |
WF… series measuring current transformers consist of one flexible W…F series measuring current transformer and one RCC420 signal converter.
Accessories
| Model | Order code |
|---|---|
| Mounting clip for enclosure XM420 (1 piece per device) | B98060008 |
| XM460 mounting frame | B990995 |
| XM490 mounting frame | B990996 |
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.
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Current variants and other documents · Bender ↗
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