Lauritz Knudsen AU standard RCBO, 4 Pole, C Curve, Adi 10kA, 300mA, 20A, 415V
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Lauritz Knudsen AU standard RCBO, 4 Pole, C Curve, Adi 10kA, 300mA, 20A, 415V
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The AU RCBO 20A FP 415V ADI 10kA 300mA C Curve is a four pole protection device that combines MCB & RCCB functionality into a single compact unit. It is enhanced with ADI (Advanced Detection Intelligence) technology, ensuring accurate leakage detection & reliable protection in three phase electrical systems.
With a 20A current rating, this RCBO is suitable for medium load applications such as machinery, control panels, & commercial installations. The 300mA leakage sensitivity is typically used for fire protection & equipment safety where higher leakage thresholds are required.
How the RCBO Works
This four pole RCBO operates as a complete protection system:
• Detects overload & short circuit conditions similar to an MCB
• Detects earth leakage currents using advanced sensing technology
• Trips automatically when abnormal conditions are detected
• Disconnects all three phases & neutral simultaneously
The ADI technology enhances detection precision, reduces nuisance tripping, & improves response time for dependable performance.
Electrical Configuration
• Rated current: 20A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Technology: ADI (Advanced Detection / Intelligent leakage sensing)
• Breaking capacity: 10kA
• Sensitivity: 300mA
• Trip curve: C Curve
• Application: Overload, short circuit, & earth leakage protection
Construction & Design
The RCBO is engineered for reliable performance in three phase systems:
• Integrated MCB & RCCB functionality in one device
• Advanced ADI system for enhanced leakage detection
• Modular design compatible with DIN rail mounting
• Compact construction for optimized panel space usage
• High mechanical & electrical endurance
• Designed for accurate & stable tripping performance
Safety & Protection
• Protects against overload & short circuit faults
• Detects earth leakage currents to enhance system safety
• 300mA sensitivity suitable for fire protection & equipment safety
• Four pole isolation ensures complete disconnection of all phases & neutral
• Reduces risk of electrical hazards, fire, & equipment damage
Mounting & Durability
• DIN rail mounting for easy installation• Suitable for three phase distribution boards & panels
• Compact modular construction
• Designed for repeated operation & fault conditions
• Built for long term durability & reliable performance
Application Domains
• Three phase distribution systems
• Industrial electrical installations
• Commercial buildings
• Machinery & control panels
• Fire protection & equipment safety systems
Key Features
• 20A rated RCBO for three phase medium load circuits
• Four pole design for complete phase & neutral isolation
• 10kA breaking capacity for reliable fault interruption
• 300mA sensitivity for fire & equipment protection
• ADI technology for advanced leakage detection
• C curve characteristic for general purpose applications
• Combines MCB & RCCB functions in one unit
• DIN rail compatible for easy installation
Applications
• Industrial panels
• Commercial electrical systems
• Machinery circuits
• Distribution boards
• Electrical control & protection systems
FAQs
1. What is ADI in this RCBO?
Ans: ADI refers to advanced detection technology that improves leakage current sensing accuracy & ensures reliable tripping performance.
2. What does FP mean?
Ans: FP stands for four pole, meaning it disconnects all three phases & neutral simultaneously.
3. What does 300mA sensitivity indicate?
Ans: It indicates the leakage current level at which the device trips & is typically used for fire protection & equipment safety.
4. Why use a four pole RCBO?
Ans: It ensures complete isolation of all phases & neutral in three phase systems during faults.
5. What does 10kA breaking capacity mean?
Ans: It represents the maximum fault current the device can safely interrupt.
6. What is a C curve characteristic?
Ans: It is suitable for circuits with moderate inrush currents such as motors & industrial equipment.
7. Where can this RCBO be used?
Ans: It is suitable for industrial & commercial three phase installations requiring reliable combined electrical protection.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -25°C to +60°C |
| Electrical life (Operating Cylces) | 10,000 |
| Tightening Torque | 4Nm |
| Termination capacity | 35 Sq. mm (Rigid) 25 Sq. mm (Flexible) |
| Mechanical Life (Operating Cycles) | 20,000 |
| No. of Poles | FP |
| Rated Insulation Voltage Ui (V) | 500V |
| Rated Frequency | 50Hz |
| Rated Short-circuit Breaking Capacity | 10kA as per IEC 61009-1 |
| Rated Impulse Voltage | 6kV |
| Current Rating | 20A |
| Rated operational voltage (Ue) | 415V |
| Conformance to Standards | IEC 61009-1 |
| Tripping Characteristic | C Curve |
| Sensitivity | 300mA |
| Length(mm) | 77.5 |
| Height(mm) | 103.8 |
| Breadth(mm) | 131.25 |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.
Reviews
Description
About the Product
The AU RCBO 20A FP 415V ADI 10kA 300mA C Curve is a four pole protection device that combines MCB & RCCB functionality into a single compact unit. It is enhanced with ADI (Advanced Detection Intelligence) technology, ensuring accurate leakage detection & reliable protection in three phase electrical systems.
With a 20A current rating, this RCBO is suitable for medium load applications such as machinery, control panels, & commercial installations. The 300mA leakage sensitivity is typically used for fire protection & equipment safety where higher leakage thresholds are required.
How the RCBO Works
This four pole RCBO operates as a complete protection system:
• Detects overload & short circuit conditions similar to an MCB
• Detects earth leakage currents using advanced sensing technology
• Trips automatically when abnormal conditions are detected
• Disconnects all three phases & neutral simultaneously
The ADI technology enhances detection precision, reduces nuisance tripping, & improves response time for dependable performance.
Electrical Configuration
• Rated current: 20A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Technology: ADI (Advanced Detection / Intelligent leakage sensing)
• Breaking capacity: 10kA
• Sensitivity: 300mA
• Trip curve: C Curve
• Application: Overload, short circuit, & earth leakage protection
Construction & Design
The RCBO is engineered for reliable performance in three phase systems:
• Integrated MCB & RCCB functionality in one device
• Advanced ADI system for enhanced leakage detection
• Modular design compatible with DIN rail mounting
• Compact construction for optimized panel space usage
• High mechanical & electrical endurance
• Designed for accurate & stable tripping performance
Safety & Protection
• Protects against overload & short circuit faults
• Detects earth leakage currents to enhance system safety
• 300mA sensitivity suitable for fire protection & equipment safety
• Four pole isolation ensures complete disconnection of all phases & neutral
• Reduces risk of electrical hazards, fire, & equipment damage
Mounting & Durability
• DIN rail mounting for easy installation• Suitable for three phase distribution boards & panels
• Compact modular construction
• Designed for repeated operation & fault conditions
• Built for long term durability & reliable performance
Application Domains
• Three phase distribution systems
• Industrial electrical installations
• Commercial buildings
• Machinery & control panels
• Fire protection & equipment safety systems
Key Features
• 20A rated RCBO for three phase medium load circuits
• Four pole design for complete phase & neutral isolation
• 10kA breaking capacity for reliable fault interruption
• 300mA sensitivity for fire & equipment protection
• ADI technology for advanced leakage detection
• C curve characteristic for general purpose applications
• Combines MCB & RCCB functions in one unit
• DIN rail compatible for easy installation
Applications
• Industrial panels
• Commercial electrical systems
• Machinery circuits
• Distribution boards
• Electrical control & protection systems
FAQs
1. What is ADI in this RCBO?
Ans: ADI refers to advanced detection technology that improves leakage current sensing accuracy & ensures reliable tripping performance.
2. What does FP mean?
Ans: FP stands for four pole, meaning it disconnects all three phases & neutral simultaneously.
3. What does 300mA sensitivity indicate?
Ans: It indicates the leakage current level at which the device trips & is typically used for fire protection & equipment safety.
4. Why use a four pole RCBO?
Ans: It ensures complete isolation of all phases & neutral in three phase systems during faults.
5. What does 10kA breaking capacity mean?
Ans: It represents the maximum fault current the device can safely interrupt.
6. What is a C curve characteristic?
Ans: It is suitable for circuits with moderate inrush currents such as motors & industrial equipment.
7. Where can this RCBO be used?
Ans: It is suitable for industrial & commercial three phase installations requiring reliable combined electrical protection.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -25°C to +60°C |
| Electrical life (Operating Cylces) | 10,000 |
| Tightening Torque | 4Nm |
| Termination capacity | 35 Sq. mm (Rigid) 25 Sq. mm (Flexible) |
| Mechanical Life (Operating Cycles) | 20,000 |
| No. of Poles | FP |
| Rated Insulation Voltage Ui (V) | 500V |
| Rated Frequency | 50Hz |
| Rated Short-circuit Breaking Capacity | 10kA as per IEC 61009-1 |
| Rated Impulse Voltage | 6kV |
| Current Rating | 20A |
| Rated operational voltage (Ue) | 415V |
| Conformance to Standards | IEC 61009-1 |
| Tripping Characteristic | C Curve |
| Sensitivity | 300mA |
| Length(mm) | 77.5 |
| Height(mm) | 103.8 |
| Breadth(mm) | 131.25 |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.