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When do I have to use type-B residual current protection in my installation?

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We would like to inform you about current regulations and all the key aspects that you need to take into account for the correct selection of the type of residual current device to be installed. The evolution of electronics in electrical installations means that we need to know what type of residual current device protection is ideal for each type of load, in order to correctly protect both people and the installation itself.
This is why we present our new type B residual current protection family, which is the required protection when there may be a leakage of alternating, pulsating or direct current. Find out why you should use type-B residual current protection devices and what benefits they bring to your installation.

Discover all the benefits of type-B residual current protection and when it has to be installed.

 

 

Protect your installation the right way

Avoid risks by selecting the right protection for each type of load

 

Type-A and AC residual current protection devices do not detect DC residual currents and can trip spuriously or lock up, jeopardizing service continuity and putting the installation and/or personnel at serious risk

 

Type-A Residual current protection

The protection required by the manufacturers themselves

 

Manufacturers of devices with power electronics, including variable-speed drives, UPS, EV charging points, etc., require type-B residual current devices to be installed to ensure their loads are properly protected.

 

Type-A Residual current protection

Discover all the benefits of type-B residual current protection and when it has to be installed.

 

 

Technology to serve users

 

On RGU-100B and CBS-400B devices, the screen changes to red when a trip occurs, storing the total leakage value. This value is broken down to show both the AC and DC component of the leak. This features offers relevant information to let the user pinpoint the exact location of the leak.

 

 
Type-B Residual current protection 

 

Technical article

 

Find out why you should protect your installation using type-B devices

 

 

Type-B residual current protection solutions

 

Guarantee the maximum service continuity of your installation and provide complete protection to people and property by installing type-B residual current protection.

 

Indirect connection devices

 

RGU-100B

Type-B residual current protection and monitoring relay

 

CBS-400B

Type-B monitoring and protection relay with 4 channels

 

RGU-10B

Residual current protection and monitoring electronic relay

RGU-100B

 

CBS-400B

 

RGU-10B

More information

 

More information

 

More information

 

 

Devices with built-in transformer

 

 

 

+ automatic reclosing

IDB-4

Class-B RCCB, instantaneous 30 and 300 mA

 

WGB-35-TB

Transformer with built-in class-B residual current relay

 

RECB

Self-reclosing type-B RCCB

IDB-4

 

WGB-35-TB

 

RECB

More information

 

More information

 

More information

 

 

What are the advantages of WGB transformers?

 

Connecting the WGB earth leakage transformers to the (RGU-100B or CBS-400B) relay is Plug & Play: it's a quick and easy process that uses an RJ-45 connector. No need for additional power or cabling. Additionally, the transformers have an accessory for convenient installation on a DIN rail.

 What are the advantages of WGB transformers?

 

More information

 

 

Where should type-B protection be installed?

Where should type-B protection be installed?

 

ECT GRUP

Genel Merkez
ECT Plaza Y.Dudullu Mah. Kızkalesi Sok. No: 15
Ümraniye / İSTANBUL

Telephone: +90 216 313 71 00
Email: info@ectgrup.com.tr
www.ectgrup.com.tr

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Contact

CIRCUTOR, SA
Vial Sant Jordi s/n, 08232
Viladecavalls (Barcelona) Spain
Tel: (+34) 93 745 29 00
Fax (+34) 93 745 29 14

Technical Support

Tel. (+34) 93 745 29 19

Laboratory

Testing and Calibration

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