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proelectric
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Posted: ‎2025-02-24 01:06 PM

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Posted: ‎2025-02-24 01:06 PM

the differential switch

Hello Schneider Team

I have previous information and I want you to confirm this information or explain it more.

It is about the differential switch of your brand, is it really possible to put 13 bipolar circuit breakers after it? Because according to the standards of the "Legrand" company, it says to put only 8, please explain more.

Best regards 

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CraigEl
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Posted: ‎2025-02-26 01:25 AM . Last Modified: ‎2025-02-26 01:26 AM

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Posted: ‎2025-02-26 01:25 AM . Last Modified: ‎2025-02-26 01:26 AM

EZ9R36263 is a circuit breaker (RCCB) not a differential switch as far as I know

 

EZ9R36263 - Easy9 Residual Current Circuit Breaker - 2P - 63 A - 30 mA - AC type - 230 V | Schneider...

See Answer In Context

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MikaelKrantz
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Posted: ‎2025-02-24 09:43 PM

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Posted: ‎2025-02-24 09:43 PM

Could you please specify what product we are talking about?

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proelectric
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Posted: ‎2025-02-26 12:36 AM

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Posted: ‎2025-02-26 12:36 AM

EZ9R36263

 

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CraigEl
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Posted: ‎2025-02-26 01:25 AM . Last Modified: ‎2025-02-26 01:26 AM

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Posted: ‎2025-02-26 01:25 AM . Last Modified: ‎2025-02-26 01:26 AM

EZ9R36263 is a circuit breaker (RCCB) not a differential switch as far as I know

 

EZ9R36263 - Easy9 Residual Current Circuit Breaker - 2P - 63 A - 30 mA - AC type - 230 V | Schneider...

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proelectric
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Posted: ‎2025-02-26 10:33 PM

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Posted: ‎2025-02-26 10:33 PM

yes , this is , is it really possible to put 13 bipolar circuit breakers after it?

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S-W
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Posted: ‎2025-06-26 08:05 AM . Last Modified: ‎2025-06-27 02:31 AM

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Posted: ‎2025-06-26 08:05 AM . Last Modified: ‎2025-06-27 02:31 AM

Thank you @proelectric for your question.
Following @CraigEl's advice: To determine whether 13 bipolar circuit breakers can be safely and effectively connected after an EZ9R36263 Easy9 Residual Current Circuit Breaker (RCCB), additional technical details about your specific installation are required. Since we do not have full visibility into your application, environment, or load characteristics, we cannot provide a definitive answer. However, we can share some general principles that may help guide your assessment:

Device Characteristics

  • The EZ9R36263 is a 63 A, 2-pole RCCB.
  • It is designed to protect against earth leakage currents, but it does not provide overcurrent or short-circuit protection.
  • The total downstream load (i.e., the combined current of all connected circuits) must NOT exceed 63 A.

Load Distribution

You will need to evaluate the current demand of each downstream circuit to calculate the technical feasibility. This assessment must be done based on your specific installation conditions.

 

Overcurrent Protection
Since the RCCB does not offer overcurrent protection, it is essential that each downstream circuit is protected by its own MCB (Miniature Circuit Breaker) to ensure safety and compliance.

 

In Summary

Connecting 13 bipolar circuit breakers may be possible only if:

  • The total current draw does not exceed 63 A.
  • Each circuit is protected by an appropriate MCB.
  • The installation complies with local electrical regulations and safety standards.

If your total current requirement exceeds 63 A, we would not recommend this configuration.
Please ensure a thorough evaluation of your load and protection needs before proceeding.

As the above might have limit understanding or reach to your needs, please contact Schneider Electric in your country with one of below options, so it'd be more pertinent to your context. 

  • Contact our Customer Care Center (by telephone or mail) 
  • Reach out via se.com support 
  • Contact your distributor/supplier
  • Get in touch with your Schneider electric sales contact

Please use one of the above approaches to get supported; we're confident our teams and partners are ready to serve your needs. 

 

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