Residual Current Protection (RCBO):
Combination of RCD and MCB: It provides both overload protection (like a miniature circuit breaker) and earth leakage protection (residual current detection), offering comprehensive safety against electrical faults.
Earth Leakage Detection: Trips if a leakage current above 30mA is detected, which can protect against electric shock and fire hazards.
2. Three-Phase Protection (3P):
Designed for three-phase electrical circuits, making it ideal for commercial, industrial, or larger residential systems where three-phase power is used.
3. Current Rating (20A):
Suitable for circuits with a current rating of 20 amperes, providing protection for appliances and installations that typically draw this amount of current.
4. Breaking Capacity (10kA):
With a 10,000 amperes (10kA) breaking capacity, it is capable of safely interrupting a high fault current, ensuring that the circuit is protected even in extreme fault conditions.
5. Residual Current Setting (30mA):
The device will trip when it detects a leakage current of 30mA, which is a common threshold for protecting human safety and preventing fire hazards from earth leakage currents.
features:
6. C Curve:
The C Curve trip characteristic means that the RCBO will trip at 5-10 times the rated current (100-200A), making it suitable for circuits with moderate inrush currents, such as motors and transformers.
7. Type A Sensitivity:
Type A RCBOs can detect both AC and pulsating DC residual currents, offering higher protection for circuits that may have both AC and DC leakage currents, which is essential for modern electrical equipment.
8. Compact Design:
Typically designed to fit into standard electrical panels, ensuring a space-efficient installation in control and distribution boards.
9. Easy to Install and Reset:
User-friendly design with a reset mechanism, making it easy to restore after tripping due to a fault.
Quick response to overloads and leakage currents, improving overall safety.
10. Compliance with Standards:
Meets relevant international electrical safety standards, ensuring reliability and performance in a variety of applications.
11. Durability and Reliability:
Built to last with high-quality materials that ensure long-term performance, even in harsh industrial or commercial environments.
| Specification |
Details |
| Model |
LSTO20C/003A |
| Type |
Residual Current Breaker with Overload Protection (RCBO) |
| Phase |
Three-phase (3P) |
| Current Rating |
20 Amperes (20A) |
| Rated Voltage |
Typically 230/400V (depending on local standards) |
| Breaking Capacity |
10,000 Amperes (10kA) |
| Residual Current Setting |
30mA |
| Tripping Characteristic |
C Curve (5-10 times the rated current) |
| Type of Protection |
Type A (Protects against both AC and pulsating DC residual currents) |
| Installation |
DIN rail mountable |
| Trip Mechanism |
Thermal-magnetic (Overload & Short-circuit protection) |
| Frequency Range |
50-60Hz |
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