Custom printed panels are non-returnable.
Please upload the image, photo, or logo you would like printed on the LED panel.
Recommended image size:• 600 × 600 pixels or higher resolutionAccepted file formats:• JPG• PNG• PDF
Availability: Low stock: 100 left
Couldn't load pickup availability
Once you receive your order confirmation email, your order will be processed within 2–3 business days (excluding weekends and public holidays).
Installation must be carried out by a qualified electrician.
Ensure power is switched off before installation.
Suitable for indoor use.
The Live CA463B 4 Pole MCB is the highest-capacity miniature circuit breaker in the CA series, engineered to provide comprehensive protection for large-scale three-phase commercial electrical distribution systems requiring simultaneous neutral conductor switching. Rated at 63 Amps with a B-curve tripping characteristic, this 4-pole breaker represents the maximum current rating available, safeguarding all three phases and the neutral conductor on AC systems up to 400V at 50/60Hz frequency. It delivers robust protection against overloads and short circuits, making it the ideal choice for large commercial main distribution boards, shopping centers, industrial commercial facilities, and high-power resistive load applications where complete isolation of all conductors is essential for safety compliance. With a substantial 6kA breaking capacity and precision thermo-magnetic release, the CA463B ensures safety and reliability for demanding large-scale commercial installations.
Complete 4-Pole Protection: Simultaneously protects and switches all three phases (L1, L2, L3) and the neutral (N) conductor, ensuring complete circuit isolation for high-power commercial applications.
Maximum Capacity B-Curve Characteristic: Trips instantaneously at 3-5 times rated current (189A to 315A), calibrated for the highest power resistive loads and main distribution applications.
Peak Commercial Main Distribution Rating: 63A per phase (maximum series rating) provides substantial capacity for large commercial main distribution boards and high-power resistive equipment.
Integrated Neutral Switching: Neutral pole disconnects simultaneously with phases, preventing floating neutral conditions during maintenance.
Reliable Breaking Capacity: Certified 6kA rating ensures safe interruption of fault currents, protecting downstream equipment.
Precision Thermo-Magnetic Release: Thermal bimetal strip for overload protection and magnetic solenoid for short-circuit response across all four poles.
Superior Electrical Isolation: 4000V impulse withstand rating and 500V insulation voltage for protection against voltage transients.
Extended Operational Life: 8,000 electrical operations for long-term reliability in commercial applications.
Professional Installation: DIN-rail mounting with IP20 finger-safe terminals and 16mm² wiring capacity.
| Specification | Details |
|---|---|
| Brand | Live |
| Model Number | CA463B |
| Device Type | Miniature Circuit Breaker (MCB) |
| Pole Configuration | 4 Pole (3P + N) |
| Current Rating (In) | 63 Amperes (Maximum series rating) |
| Trip Curve Type | B Curve (3-5 × In) |
| Operational Voltage | 230/400V AC |
| Frequency Range | 50/60 Hertz |
| Short-Circuit Capacity | 6kA (6000 Amps) |
| Insulation Rating (Ui) | 500 Volts |
| Impulse Withstand (Uimp) | 4000 Volts (1.2/50 µs) |
| Dielectric Test Voltage | 2kV for 60 seconds |
| Protection Mechanism | Thermo-magnetic (all poles) |
| Neutral Pole Protection | Switched neutral |
| Operating Temperature | -5°C to +40°C |
| Calibration Reference | 30°C |
| Electrical Lifespan | 8,000 cycles |
| Protection Class | IP20 |
| Terminal Capacity | Up to 16 mm² |
| Mounting Type | DIN Rail (35mm) |
| Standard | IEC 60898-1 |
1. What are the main applications for the CA463B 63A 4P MCB?
Large commercial main distribution boards, shopping centers, hotels, commercial complexes, high-power lighting installations, commercial water heating, and HVAC mains requiring maximum capacity.
2. What is the power capacity of this 63A 4-pole MCB?
Maximum resistive load: 43.6kW at 400V three-phase. Per phase capacity: 14.5kW at 230V. Continuous load (80% rule): 34.9kW.
3. Why choose this maximum capacity B-Curve breaker?
Provides the highest power handling in the CA series (63A) with fast response for resistive loads and excellent discrimination with downstream breakers.
4. What cable size is recommended for 63A commercial circuits?
16mm² copper conductor minimum (matches terminal capacity) for runs up to 20m. For longer runs, use 25mm² or 35mm² with external termination.
5. When is 4-pole switching required at 63A capacity?
TN-C-S to TN-S transition points, IT earthing systems, generator changeover panels, large construction sites, marinas, and where local codes mandate complete isolation.
