Lauritz Knudsen AU Standard RCCB, 4 Pole, Adi 30mA, 25A, 415V | for Household to Industrial applications | Prevents Unauthorized Access | Earth Leakage Fault Indication | with Added Immunity
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Lauritz Knudsen AU Standard RCCB, 4 Pole, Adi 30mA, 25A, 415V | for Household to Industrial applications | Prevents Unauthorized Access | Earth Leakage Fault Indication | with Added Immunity
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The AU RCCB 25A FP 415V ADI 30mA is a four pole Residual Current Circuit Breaker designed to provide protection against earth leakage currents in three phase electrical systems. It is specifically used to safeguard human life & electrical systems by detecting leakage currents & disconnecting the circuit instantly.
Equipped with ADI (Advanced Detection Intelligence) technology, this RCCB ensures precise sensing & dependable operation. With a 25A current rating, it is suitable for moderate load three phase circuits in industrial & commercial environments.
How the RCCB Works
This RCCB provides dedicated leakage protection through continuous monitoring:
• Monitors current balance across all three phases & neutral
• Detects imbalance caused by leakage current
• Trips instantly when leakage exceeds 30mA threshold
• Disconnects all three phases & neutral simultaneously
This ensures fast fault isolation & enhanced protection against electric shock.
Electrical Configuration
• Rated current: 25A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Technology: ADI (Advanced Detection / Intelligent sensing)
• Sensitivity: 30mA
• Function: Earth leakage protection only
• Application: Personal safety & leakage fault protection
Construction & Design
The RCCB is engineered for reliable performance in three phase systems:
• Dedicated RCCB functionality for accurate leakage detection
• Advanced ADI sensing for improved precision
• Modular design compatible with DIN rail mounting
• Compact structure for optimized panel space
• High mechanical & electrical endurance
• Designed for consistent & stable tripping
Safety & Protection
• Provides protection against electric shock
• Detects earth leakage currents quickly & accurately
• 30mA sensitivity ensures high level of personal safety
• Four pole isolation ensures complete disconnection of phases & neutral
• Helps prevent electrical hazards & system failures
Mounting & Durability
• DIN rail mounting for easy installation• Suitable for three phase distribution boards
• Compact modular construction
• Designed for frequent operation & safety compliance
• Built for long term durability & reliable performance
Application Domains
• Three phase distribution systems
• Industrial electrical installations
• Commercial buildings
• Machinery & control panels
• Safety-critical power circuits
Key Features
• 25A rated RCCB for three phase moderate load circuits
• Four pole design for complete phase & neutral isolation
• 30mA sensitivity for personnel safety
• ADI technology for advanced leakage detection
• Dedicated earth leakage protection device
• DIN rail compatible for easy installation
• Compact & durable design
Applications
• Industrial panels
• Commercial electrical systems
• Three phase distribution boards
• Control panels & machinery circuits
• Electrical safety systems
FAQs
1. What is the function of this RCCB?
Ans: It provides protection against earth leakage currents to prevent electric shock & electrical hazards.
2. What does 30mA sensitivity indicate?
Ans: It means the device trips at low leakage current levels, ensuring protection against electric shock.
3. Does this RCCB protect against overload?
Ans: No, it must be used with MCBs for overload & short circuit protection.
4. Why is a four pole RCCB used?
Ans: It disconnects all three phases & neutral, ensuring complete isolation in three phase systems.
5. Where is a 25A FP RCCB used?
Ans: It is used in moderate load three phase circuits in industrial & commercial installations.
6. What is ADI technology?
Ans: ADI improves leakage detection accuracy & ensures reliable tripping performance.
7. Where should this RCCB be installed?
Ans: It should be installed in three phase distribution boards for effective leakage 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 Residual Making & Breaking capacity | 1kA |
| Rated Impulse Voltage | 6kV |
| Rated Conditional SC Current | 10kA |
| Current Rating | 25A |
| Rated operational voltage (Ue) | 415V |
| Conformance to Standards | IEC 61008-1 |
| Sensitivity | 30mA |
| Length(mm) | 77.5 |
| Height(mm) | 100.6 |
| Breadth(mm) | 70 |
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 RCCB 25A FP 415V ADI 30mA is a four pole Residual Current Circuit Breaker designed to provide protection against earth leakage currents in three phase electrical systems. It is specifically used to safeguard human life & electrical systems by detecting leakage currents & disconnecting the circuit instantly.
Equipped with ADI (Advanced Detection Intelligence) technology, this RCCB ensures precise sensing & dependable operation. With a 25A current rating, it is suitable for moderate load three phase circuits in industrial & commercial environments.
How the RCCB Works
This RCCB provides dedicated leakage protection through continuous monitoring:
• Monitors current balance across all three phases & neutral
• Detects imbalance caused by leakage current
• Trips instantly when leakage exceeds 30mA threshold
• Disconnects all three phases & neutral simultaneously
This ensures fast fault isolation & enhanced protection against electric shock.
Electrical Configuration
• Rated current: 25A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Technology: ADI (Advanced Detection / Intelligent sensing)
• Sensitivity: 30mA
• Function: Earth leakage protection only
• Application: Personal safety & leakage fault protection
Construction & Design
The RCCB is engineered for reliable performance in three phase systems:
• Dedicated RCCB functionality for accurate leakage detection
• Advanced ADI sensing for improved precision
• Modular design compatible with DIN rail mounting
• Compact structure for optimized panel space
• High mechanical & electrical endurance
• Designed for consistent & stable tripping
Safety & Protection
• Provides protection against electric shock
• Detects earth leakage currents quickly & accurately
• 30mA sensitivity ensures high level of personal safety
• Four pole isolation ensures complete disconnection of phases & neutral
• Helps prevent electrical hazards & system failures
Mounting & Durability
• DIN rail mounting for easy installation• Suitable for three phase distribution boards
• Compact modular construction
• Designed for frequent operation & safety compliance
• Built for long term durability & reliable performance
Application Domains
• Three phase distribution systems
• Industrial electrical installations
• Commercial buildings
• Machinery & control panels
• Safety-critical power circuits
Key Features
• 25A rated RCCB for three phase moderate load circuits
• Four pole design for complete phase & neutral isolation
• 30mA sensitivity for personnel safety
• ADI technology for advanced leakage detection
• Dedicated earth leakage protection device
• DIN rail compatible for easy installation
• Compact & durable design
Applications
• Industrial panels
• Commercial electrical systems
• Three phase distribution boards
• Control panels & machinery circuits
• Electrical safety systems
FAQs
1. What is the function of this RCCB?
Ans: It provides protection against earth leakage currents to prevent electric shock & electrical hazards.
2. What does 30mA sensitivity indicate?
Ans: It means the device trips at low leakage current levels, ensuring protection against electric shock.
3. Does this RCCB protect against overload?
Ans: No, it must be used with MCBs for overload & short circuit protection.
4. Why is a four pole RCCB used?
Ans: It disconnects all three phases & neutral, ensuring complete isolation in three phase systems.
5. Where is a 25A FP RCCB used?
Ans: It is used in moderate load three phase circuits in industrial & commercial installations.
6. What is ADI technology?
Ans: ADI improves leakage detection accuracy & ensures reliable tripping performance.
7. Where should this RCCB be installed?
Ans: It should be installed in three phase distribution boards for effective leakage 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 Residual Making & Breaking capacity | 1kA |
| Rated Impulse Voltage | 6kV |
| Rated Conditional SC Current | 10kA |
| Current Rating | 25A |
| Rated operational voltage (Ue) | 415V |
| Conformance to Standards | IEC 61008-1 |
| Sensitivity | 30mA |
| Length(mm) | 77.5 |
| Height(mm) | 100.6 |
| Breadth(mm) | 70 |
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.