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Miniature Circuit Breakers
  • AUB1NR High Breaking Capacity Mini RCBO Single Pole
AUB1NR High Breaking Capacity Mini RCBO Single Pole

AUB1NR High Breaking Capacity Mini RCBO Single Pole

$6.50-$10.00/ Piece|300 Piece/Pieces(Min. Order)
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AUB1NR High Breaking Capacity Mini RCBO Single Pole

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Ground Fault Protection: Detects and interrupts current imbalances (down to 30mA) between live and neutral wires to prevent electrical hazards like shocks or fires.
  • High Breaking Capacity: Rated at 4.5kA, ensuring reliable interruption of severe fault currents in demanding electrical systems.
  • RCBO Integration: Combines residual current detection (RCD) and circuit breaker functionalities in a single compact unit for efficient protection.

Key features

  • 1. Material Technology

    • With a PA66 polymer body, ensure durability under high temperatures and mechanical stress while maintaining resistance to environmental corrosion.

  • 2. Performance Parameters

    • With a 4.5kA breaking capacity, handle extreme electrical surges up to 20% higher than standard 3.5kA models*, safeguarding against catastrophic failures.

  • 3. Scenario Solutions

    • With B/C curve adaptability, protect against both short-circuit (B) and overload (C) faults in residential and commercial settings, ensuring flexibility for diverse electrical environments.

  • 4. Interactive Design

    • With DIN rail mounting, easily integrate into electrical panels for space-efficient installation, simplifying maintenance and reducing downtime during upgrades.

  • 5. Certification Standards

    • With RoHS compliance and VDE/CB certifications, ensure adherence to global safety and environmental standards, reducing regulatory risks for commercial and industrial use.

Product details

AUB1NR High Breaking Capacity Mini RCBO Single Pole

The AUB1NR High Breaking Capacity Mini RCBO Single Pole is a compact, DIN rail-mounted circuit protection device designed for residential and commercial applications. With a 30mA trip current and 4.5kA breaking capacity, it ensures rapid response to ground faults and overcurrent scenarios, prioritizing safety and system reliability.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialPA66 (durable plastic)Withstands environmental stresses in electrical panels
Breaking Capacity4.5kA (High)Protects against severe overcurrent events in industrial systems
BCD CurveC, BSafeguards residential/commercial circuits from overload and short circuits
Trip Current30mAEnsures human safety by interrupting current before electric shock risks
CertificationsVDE, CB, SEMKO, CE, RoHS, SAAMeets global safety and environmental standards for commercial use
Mounting TypeDIN RailEasy installation in standard electrical distribution boards

Customization guide

Adjustable parameters include pole configuration (1P, 2P) and rated current (up to 32A) to meet specific circuit protection needs.

Get inspired

With a 30mA trip current and 4.5kA breaking capacity, the AUB1NR ensures fast, reliable protection in high-risk environments like wet areas or industrial machinery. Its compact PA66 housing and DIN rail mounting make it ideal for space-constrained installations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Breaking Capacity4kA4.5kA (Standard)5kA*
Trip Current30mA30mA10mA**
CertificationsCE, RoHS+VDE, SEMKOFull suite (SAA, CB)
Pole Options1P1P, 2P1P, 2P, 4P

Supplier's note

  1. Technical Breakthroughs:

    • High Breaking Capacity (4.5kA): Outperforms standard models by 12.5%, safeguarding against extreme overcurrent events.
    • 30mA Trip Current: 70% faster response than 100mA devices, reducing electric shock risks.
    • Global Certifications: Compliance with SAA and CB standards opens markets in Australia and international regions.

  2. Version Selection Guide:

    • Base Model: Ideal for small residential circuits (e.g., home bathrooms) where cost-efficiency is prioritized.
    • Advanced Model: Best for commercial buildings (e.g., offices, retail spaces) needing 2P configurations and expanded certifications.
    • Pro Model: Tailored for industrial facilities (e.g., factories, data centers) requiring 5kA resilience and ultra-sensitive 10mA trip current for high-risk machinery.

*Pro Model’s 5kA capacity exceeds industry benchmarks by 25%. **10mA trip current meets IEC 61009-1 Class A requirements for critical environments.

Frequently asked questions

  • Which miniature circuit breaker suits high-current applications like industrial machinery?

  • How does the AUB1NR RCBO differ from standard RCDs for home protection?

  • What materials make the AUB1NR resistant to harsh environments?

  • Can the AUB1NR be installed in existing DIN rail systems?

  • Is the AUB1NR certified for EU and global safety standards?

  • How often should I test the AUB1NR’s ground fault protection?

  • Does the AUB1NR support customization for specialized systems?

  • Why choose an RCBO over separate MCB and RCD units?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Breaking CapacityIndustrial FacilitiesIndustry: 4kA (IEC 60947-2)
Our Base: 4.5kA (▲12.5%)
Advanced: 5kA (▲11.1% over Base)		Base exceeds industry standard by 12.5%; Advanced adds 11.1% for extreme scenariosAdvanced requires 15% more installation space
Fast Response TimeResidential & Commercial BuildingsIndustry: 50ms (IEC 61008-1)
Base: 30ms (▲40%)
Advanced: 15ms (▲50% over Base)		Base reduces shock risk by 40%; Advanced minimizes fire risks by 60%Advanced may have 20% higher false tripping rate
Material DurabilityChemical PlantsIndustry: PA6 (ASTM D648)
Base: PA66 (▲20% strength)
Advanced: PA66+GF30 (▲40% over Base)		Base resists 50+ chemicals (ASTM D543); Advanced withstands 100+Advanced adds 20% weight, complicating installation
CertificationsGlobal InstallationsIndustry: CE, RoHS
Base: +VDE, CB (▲2 certs)
Advanced: All (▲Full compliance)		Base meets EU+Asia standards; Advanced adds Australia/Nordic approvalsRedundant certs may increase costs by 15% in single-region use
Flexible InstallationRetrofit ProjectsIndustry: DIN rail only
Base: +Surface (▲20% faster install)
Advanced: +Wall		Base reduces labor time by 20%; Advanced eliminates panel dependencyAdvanced brackets add 10% to material costs
Triple ProtectionData CentersIndustry: MCB (overcurrent only)
Base: RCBO (▲Adds residual)
Advanced: +Arc Fault		Base cuts shock hazards by 90%; Advanced prevents arc flash incidentsAdvanced doubles the cost vs standard MCB

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