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Type-B Residual Current Detection Module - TLBxx-D3 Series

Type-B Residual Current Detection Module - TLBxx-D3 Series.jpgMost of the residual current protection solutions available on the market use a type-A residual current + DC protection module. However, this approach is known for its large space occupation, complex assembly, high design costs, and ongoing safety concerns. In order to provide a safer and more reliable solution, MORNSUN has introduced an easy-to-use type-B residual current detection module TLBxx-D3 series. This product is an ideal solution for circuit breaker manufacturers, which integrating a build-in power supply for easy powering. Customers do not need to modify circuit structures and can directly assemble the product into existing circuit breakers.



Advantages

1. Type-B residual current detection, comply with Industry standard

With the increasing number of electrical devices, the fault residual current waveforms have become more complex and diverse. Conventional type-AC/A residual current detection is prone to failure in such scenarios. Some standards in the low-voltage electrical industry have mandated the use of type-B residual current detection. The TTLBxx-D3 series fully complies with the IEC62423 and GBT 22794 standards, capable of detecting AC, DC pulsating residual currents, high-frequency AC, and DC currents, among others.

Type-B residual current detection, comply with Industry standard.jpg


2. Easy to use:Integrating a build-in power supply, directly assemble into circuit breakers

This product series comes with an integrated power supply module that can be directly connected to the main power of either 220V (single-phase) or 380V (three-phase) without any additional conversion processing.

It adopts a side-mounted connection method between the power board and the residual current detection module, resulting in a smaller volume that can be directly embedded into the circuit breaker. This design reduces the customer’s design time and space constraints, improving the space utilization.

Easy to use:Integrating a build-in power supply, directly assemble into circuit breakers.jpg


3. High immunity to external interference

The product demonstrates strong anti-interference capabilities during EMC testing (CE, RE, EFT, and Surge, etc.), ensuring compliance with standards without rejection or misoperation.

  • EFT meets 4kV, Tr/Th: 5/50ns, repetition frequency: 5kHz

  • Surge meets Tr/Th: 1.2/50us, Line to line: 4kV/2Ω

High immunity to external interference.jpg

Note:Customization available,please contact our FAE for more details.



Applications

TLBxx-D3 Series is suitable for low-voltage electrical applications to provide safe and reliable protection for circuit breaker in the applications such as the city lighting, smart home, smart grid, etc.

TLBxx-D3 Series is suitable for low-voltage electrical applications.jpg



Features

  • Cover type-B residual current detection

  • Small size, can be built into the circuit breaker

  • Low response time

  • High immunity to external interference

  • Meets the requirements of IEC62423, GBT22794-2017 standards

  • Customization available

* For detailed information please refer to the related datasheet, product news is for reference only.

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