VIOX VRO3-40 1P+N RCBO ELCB Residual Current Circuit Breaker with Overcurrent Protection

VIOX VRO3-40 1P+N RCBO

VIOX VRO3-40 RCBO offers comprehensive protection for single-phase systems. This IEC61009-1 compliant device features a 6kA breaking capacity and supports currents from 6A to 40A at 230V AC. With adjustable sensitivity from 10mA to 500mA, it provides A and AC type protection against residual currents, overloads, and short circuits. The RCBO offers B, C, and D tripping curves, IP20 protection, and operates from -5°C to +40°C. Key advantages include combined MCB/RCD functionality, 1P+N configuration, and 4,000 electrical/10,000 mechanical life cycles. Ideal for residential and commercial applications, this versatile RCBO ensures reliable protection with fault current indication, 4kV impulse withstand voltage, and easy DIN rail mounting. Its compact design and top connection make it suitable for various low-voltage distribution systems.

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VIOX VRO3-40 1P+N RCBO ELCB Residual Current Circuit Breaker with Overcurrent Protection

Overview

The VIOX VRO3-40 is a versatile Residual Current Circuit Breaker with Overcurrent Protection (RCBO) designed for AC 50Hz/60Hz systems with rated voltage 230/400V and rated current from 6A to 40A. This device combines the functions of an MCB and RCD, offering comprehensive protection against electric shock, overload, and short circuits in low voltage terminal distribution systems.

Key Features

  • Combined MCB and RCD functionality
  • Protection against electric shock and indirect human contact
  • Overload and short circuit protection
  • Suitable for non-frequent circuit operation
  • Widely used in residential and commercial applications
  • Compliant with IEC61009-1 standard

Technical Specifications

  • Standard: IEC/EN 61009-1
  • Mode: Electro-magnetic type, electronic type
  • Type: A, AC (wave form of earth leakage sensed)
  • Thermo-magnetic release characteristic: B, C, D
  • Rated current (In): 6, 10, 16, 20, 25, 32, 40A
  • Poles: 1P+N
  • Rated voltage (Ue): AC 230V
  • Rated sensitivity (I△n): 0.01, 0.03, 0.1, 0.3, 0.5A
  • Rated residual making and breaking capacity (I△m): 500A
  • Rated short-circuit capacity (Icn): 6000A
  • Break time under I△n: ≤0.1s
  • Rated frequency: 50/60Hz
  • Rated impulse withstand voltage (Uimp): 4000V
  • Dielectric test voltage: 2kV for 1 min
  • Insulation voltage (Ui): 250V
  • Pollution degree: 2

Mechanical Features

  • Electrical life: 4000 operations
  • Mechanical life: 10000 operations
  • Fault current indicator: Yes
  • Protection degree: IP20
  • Ambient temperature: -5~+40°C (daily average ≤35°C)
  • Storage temperature: -25~+70°C

Installation

  • Terminal connection type: Cable/Pin-type busbar/U-type busbar
  • Terminal size for cable: 25mm² (AWG 18-5)
  • Terminal size for busbar: 25mm² (AWG 18-3)
  • Mounting: On DIN rail EN 60715 (35mm) by means of fast clip device
  • Connection: From top

Applications

  • Residential electrical systems
  • Commercial buildings
  • Low voltage terminal distribution systems

Safety Features

  • Electric shock protection
  • Overload protection
  • Short circuit protection
  • Leakage current detection

Characteristic Curve

Wiring Diagram

Dimension

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