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ABB DSE203NMB10A100 3+N 10kA RCBO B10 100mA 2TAZ234414R3105

ABB DSE203NMB10A100 3+N 10kA RCBO B10 100mA 2TAZ234414R3105

SKU: DSE203NMB10A100Alt SKU: DSE203N M B10 A100MPN: 2TAZ234414R3105
Price
List Price £392.09 ex VAT
Your Price (ex VAT)
£392.09
Manufacturer Lead Time Estimated Delivery 12 weeks
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Manufacturer Lead Time

£392.09

Why Choose the ABB DSE203NMB10A100 RCBO?

The ABB DSE203NMB10A100 is a premium 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO), designed to provide comprehensive protection against overloads, short circuits and earth leakage faults in three-phase electrical installations. As part of the proven ABB DSE203N M series, this RCBO combines advanced circuit protection and compact installation in a single device, making it ideal for commercial, industrial and OEM applications.

The DSE203NMB10A100 improves electrical safety by continuously monitoring residual current whilst protecting circuits against overload and short-circuit conditions. By integrating multiple protective functions into one compact unit, it helps reduce panel space, simplify installation and improve overall system reliability.

Featuring a 10 A Type B trip characteristic, 100 mA Type A residual current sensitivity and a 10 kA breaking capacity, the ABB DSE203NMB10A100 is ideally suited for commercial distribution boards, industrial machinery, automation systems and OEM electrical equipment. Its DIN rail mounted design enables straightforward installation within modern electrical panels.

Key Advantages

  • Compact 3P+N electronic RCBO combining overload, short-circuit and earth leakage protection.
  • 10 A Type B trip characteristic for rapid protection of sensitive circuits.
  • 100 mA Type A residual current protection.
  • 10 kA breaking capacity for demanding commercial and industrial installations.
  • Protects personnel and electrical equipment against multiple fault conditions.
  • Compact DIN rail mounted design simplifies panel installation.

Key Features

  • ABB DSE203N M electronic RCBO series.
  • Rated current: 10 A.
  • Trip characteristic: Type B.
  • Residual current sensitivity: 100 mA.
  • Residual current type: Type A.
  • Configuration: 3P+N with unswitched neutral.
  • Rated short-circuit breaking capacity: 10 kA.
  • DIN rail mounted three-module construction.

Reliable Circuit Protection for Industrial Installations

The ABB DSE203NMB10A100 combines miniature circuit breaker and residual current protection into one compact device, reducing installation complexity whilst providing dependable protection against overloads, short circuits and earth leakage faults.

Its Type B tripping characteristic provides rapid magnetic operation for circuits with low inrush currents, making it suitable for sensitive electrical equipment, commercial installations and industrial control systems requiring dependable protection.

Typical Applications

  • Commercial distribution boards.
  • Industrial control panels.
  • OEM machinery.
  • Automation and process control systems.
  • Manufacturing facilities.
  • Three-phase electrical installations.

Technical Specifications

Current 10 A
Phase Three Phase
Function 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO).
Type of Residual Current Type A.
Number of Poles 3 poles + neutral (neutral unswitched).
Operating Characteristic Instantaneous trip.
Connecting Capacity Busbar 10 mm², rigid cables 1–25 mm², flexible cables 1–16 mm².
Electrical Endurance 10,000 cycles.
Mechanical Endurance 20,000 cycles.
Position of Neutral Terminals Left side.
Poles 3-pole + N
Device Type RCBO
Trip Curve B curve
Residual Current 100 mA

Frequently Asked Questions

What is the ABB DSE203NMB10A100 used for?

It provides combined overcurrent and residual current protection for three-phase electrical circuits in commercial, industrial and OEM installations.

What does the Type B trip characteristic mean?

Type B devices provide rapid magnetic tripping at lower fault current levels, making them suitable for protecting sensitive circuits with relatively low inrush currents.

What does the 100 mA residual current rating provide?

The 100 mA Type A residual current protection detects earth leakage faults and helps improve electrical safety whilst protecting equipment and installations.

How many poles does this RCBO protect?

The device protects three phases with an unswitched neutral using a 3P+N configuration.

Where is the DSE203NMB10A100 typically installed?

It is designed for DIN rail installation within commercial distribution boards, industrial control panels and OEM electrical equipment.

Trusted by Electrical Professionals Worldwide

ABB DSE203N M RCBOs are trusted by electrical contractors, panel builders and industrial engineers for delivering reliable circuit protection, compact installation and compliance with recognised international electrical standards.

● Service Agreements

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Stock lines ready to ship

1,000 +

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Customers supported

28 

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Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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