VOB3-63 Miniature Circuit Breaker
✅ High Breaking Capacity: 6000A for In 6A-40A, 4500A for In 50A-63A
✅ Wide Rating Range: 1A, 2A, 3A, 4A, 5A, 6A, 8A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
✅ Multiple Configurations: 1-Pole, 2-Pole, 3-Pole, 4-Pole available
✅ Thermal-Magnetic Trip: Reliable protection with proven technology
✅ Multiple Curves: B, C, D curves for different load types
✅ High Durability: 10,000 mechanical operations, 4,000 electrical operations
✅ DIN-Rail Mounting: Easy installation on 35mm standard DIN rail
✅ Compact Design: Space-saving modular width design
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Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | VOB3-63 |
| Number of Poles | 1P, 2P, 3P, 4P |
| Rated Current (In) | 1A, 2A, 3A, 4A, 5A, 6A, 8A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Rated Operational Voltage | 1P: 240V/415V~ 2P, 3P, 4P: 415V~ |
| Trip Unit Technology | Thermal-magnetic |
| Curve Code | B, C, D |
| Rated Short-Circuit Breaking Capacity (Icn) | 6000A for In 6A to 40A 4500A for In 50A, 63A |
| Rated Insulation Voltage (Ui) | AC 415V~ |
| Rated Impulse Withstand Voltage (Uimp) | 4000V |
| Mechanical Durability | 10,000 cycles |
| Electrical Durability | 4,000 cycles |
| Tightening Torque | M5 2.5N·m ⚠ |
| IP Degree of Protection | IP20 conforming to IEC 60529 IP40 (modular enclosure) conforming to IEC 60529 |
| Ambient Air Temperature for Operation | -5°C to +40°C |
| Standards Compliance | IEC 60898-1 |
| EU RoHS Directive | Compliant EU RoHS Declaration |
| Pollution Degree | 2 conforming to IEC/EN 60898-1 |
| Terminal Capacity | Upper/Lower Wiring: 1-25mm² (flexible/rigid conductor) |
| Mounting | 35mm DIN rail (IEC/EN 60715) |
Curve Types Explained
Curve B: For resistive and lighting loads with low inrush current
- Trip range: 3-5 × In
- Ideal for: Residential lighting, heating systems
Curve C: For general-purpose applications (most common)
- Trip range: 5-10 × In
- Ideal for: Motors, transformers, commercial installations
Curve D: For high inrush current loads
- Trip range: 10-20 × In
- Ideal for: Large transformers, X-ray equipment, industrial motors
Applications
The VOB3-63 series MCB is designed for professional installation in:
Commercial Buildings
- Office lighting and power distribution
- HVAC systems and air conditioning units
- Commercial kitchen equipment
- Retail store electrical panels
Industrial Facilities
- Motor control centers
- Control panel assemblies
- Industrial automation systems
- Manufacturing equipment protection
Infrastructure Projects
- Public building electrical systems
- Educational facilities
- Healthcare facility power distribution
- Transportation infrastructure
OEM Equipment
- Panel builders and switchgear manufacturers
- Control system integrators
- Equipment manufacturers requiring circuit protection
Dimensions & Installation
Modular Width:
- 1P: 1 module (17.8mm)
- 2P: 2 modules (35.6mm)
- 3P: 3 modules (53.4mm)
- 4P: 4 modules (71.2mm)
Height: 83mm
Depth: 74mm (1P), 63.5mm (multi-pole)
Mounting: Standard 35mm DIN rail per IEC/EN 60715
Terminal Type: Screw terminals accepting 1-25mm² conductors (both flexible and rigid)
Certifications & Compliance
✓ IEC 60898-1: Fully compliant with international MCB standards
✓ ICEB Certification: Third-party verified
✓ Intertek Tested: Independent laboratory testing
✓ EU RoHS: Lead-free, environmentally compliant
✓ Pollution Degree 2: Suitable for standard industrial environments
Why Choose VIOX VOB3-63?
Proven Quality Manufacturing
VIOX Electric is an ISO 9001:2015 certified manufacturer with decades of experience in low-voltage circuit protection. Our VOB3-63 series undergoes rigorous testing to ensure reliable performance in demanding applications.
Complete Product Range
From 1A to 63A, with all pole configurations and curve types, VIOX offers the complete MCB range needed for panel builders and electrical contractors.
International Standards
Full compliance with IEC 60898-1 ensures the VOB3-63 can be specified for international projects requiring globally recognized certifications.
OEM & Volume Supply
As a direct manufacturer, VIOX supports OEM partners and distributors with consistent quality, competitive pricing, and reliable delivery schedules.
How to Order
Model Numbering System: VOB3-63 [Poles] [Curve] [Rating]
Example: VOB3-63 3P C 32A
- 3-Pole configuration
- Curve C characteristic
- 32A rated current
