Lauritz Knudsen AU ACCL, EB/DG: 40A/32A | 3 Pole with Neutral | 240/415V AC | Automatic Changeover with Current Limiter | Three Phase | Works with all types of generators* | Quick & Seamless transition from power supply to generator & vice versa
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Lauritz Knudsen AU ACCL, EB/DG: 40A/32A | 3 Pole with Neutral | 240/415V AC | Automatic Changeover with Current Limiter | Three Phase | Works with all types of generators* | Quick & Seamless transition from power supply to generator & vice versa
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The AU ACCL EB 40A/DG 32A 3P+N 240V/415V AC is a high-performance modular device engineered for auxiliary control, switching, & circuit management in three phase electrical installations. It is well suited for industrial, commercial, & high-load environments where efficient multi-phase control & reliability are essential.
With a 3P+N configuration & compatibility with both 240V & 415V AC systems, the device ensures effective control & isolation of all three phases along with the neutral. The robust design supports demanding auxiliary operations & integration into complex control systems.
How the Device Works
This device operates as an auxiliary control & switching component in three phase systems:
• Supports switching & control of three phase electrical circuits
• Assists in auxiliary functions such as signaling, monitoring, & control logic
• Ensures complete isolation of all phases & neutral conductors
• Enhances system stability, precision, & operational efficiency
It is typically installed in control panels or distribution boards to optimize circuit management & automation processes.
Electrical Configuration
• Rated current: 40A (main reference)
• Auxiliary rating: 32A
• Poles: 3P+N (Three phase + neutral)
• Rated voltage: 240V / 415V AC
• Function: Auxiliary control, switching, & monitoring
• Application: Three phase circuit management & automation
Construction & Design
The device is engineered for durability & reliable operation in demanding applications:
• Modular DIN rail mountable design
• Compact structure for efficient panel space utilization
• High-quality internal components for stable switching performance
• Designed for seamless integration with industrial control systems
• Robust construction for long service life in high-load environments
Safety & Protection
• Supports safe & controlled operation of three phase circuits
• Ensures complete isolation of phases & neutral
• Enhances reliability of auxiliary & control circuits
• Reduces risks of faults, improper switching, & system instability
• Improves overall electrical system safety
Mounting & Durability
• DIN rail mounting for quick & easy installation
• Suitable for industrial & commercial distribution panels
• Compact modular construction
• Designed for long-term durability & heavy-duty applications
• Reliable under continuous & high-load operating conditions
Application Domains
• Industrial electrical systems
• Commercial installations
• Three phase distribution boards
• Automation & control panels
• High-capacity auxiliary circuit applications
Key Features
• 40A rated modular auxiliary device
• 32A auxiliary control capacity
• 3P+N configuration for three phase systems
• Dual voltage compatibility (240V / 415V AC)
• Supports control, switching, & monitoring functions
• Compact DIN rail mountable design
• Heavy-duty & durable construction
Applications
• Industrial control panels
• Commercial electrical systems
• Three phase power distribution
• Automation & monitoring systems
• High-load circuit control
FAQs
1. What is the purpose of this device?
Ans: It is used for auxiliary control, switching, & monitoring of three phase electrical circuits.
2. What does 3P+N mean?
Ans: It means the device controls & isolates all three phases along with the neutral conductor.
3. Why is dual voltage (240V/415V) important?
Ans: It allows the device to operate across both single-phase (phase-neutral) & three-phase (phase-phase) systems.
4. Where can this device be used?
Ans: It is suitable for industrial, commercial, & high-load electrical systems.
5. How is it installed?
Ans: It is mounted on a DIN rail inside a distribution board or control panel.
6. Can it be used in automation systems?
Ans: Yes, it is designed for seamless integration into automation & control systems.
7. Why is this device important?
Ans: It improves circuit control, enhances safety, & ensures reliable performance in three phase installations.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -5°C to +55°C |
| Tightening Torque | 1.2Nm |
| Termination capacity | 10 Sq. mm (Flexible) |
| No. of Poles | 3P+N |
| Rated Frequency | 50Hz |
| Rated Conditional SC Current | 3kA |
| Current Rating | EB 40A/DG 32A |
| Rated operational voltage (Ue) | 240V/415V |
| Conformance to Standards | IEC 60947-5-1, IEC 61000-4, IEC 60068-2 |
| Length(mm) | 125 |
| Height(mm) | 178 |
| Breadth(mm) | 164.6 |
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 ACCL EB 40A/DG 32A 3P+N 240V/415V AC is a high-performance modular device engineered for auxiliary control, switching, & circuit management in three phase electrical installations. It is well suited for industrial, commercial, & high-load environments where efficient multi-phase control & reliability are essential.
With a 3P+N configuration & compatibility with both 240V & 415V AC systems, the device ensures effective control & isolation of all three phases along with the neutral. The robust design supports demanding auxiliary operations & integration into complex control systems.
How the Device Works
This device operates as an auxiliary control & switching component in three phase systems:
• Supports switching & control of three phase electrical circuits
• Assists in auxiliary functions such as signaling, monitoring, & control logic
• Ensures complete isolation of all phases & neutral conductors
• Enhances system stability, precision, & operational efficiency
It is typically installed in control panels or distribution boards to optimize circuit management & automation processes.
Electrical Configuration
• Rated current: 40A (main reference)
• Auxiliary rating: 32A
• Poles: 3P+N (Three phase + neutral)
• Rated voltage: 240V / 415V AC
• Function: Auxiliary control, switching, & monitoring
• Application: Three phase circuit management & automation
Construction & Design
The device is engineered for durability & reliable operation in demanding applications:
• Modular DIN rail mountable design
• Compact structure for efficient panel space utilization
• High-quality internal components for stable switching performance
• Designed for seamless integration with industrial control systems
• Robust construction for long service life in high-load environments
Safety & Protection
• Supports safe & controlled operation of three phase circuits
• Ensures complete isolation of phases & neutral
• Enhances reliability of auxiliary & control circuits
• Reduces risks of faults, improper switching, & system instability
• Improves overall electrical system safety
Mounting & Durability
• DIN rail mounting for quick & easy installation
• Suitable for industrial & commercial distribution panels
• Compact modular construction
• Designed for long-term durability & heavy-duty applications
• Reliable under continuous & high-load operating conditions
Application Domains
• Industrial electrical systems
• Commercial installations
• Three phase distribution boards
• Automation & control panels
• High-capacity auxiliary circuit applications
Key Features
• 40A rated modular auxiliary device
• 32A auxiliary control capacity
• 3P+N configuration for three phase systems
• Dual voltage compatibility (240V / 415V AC)
• Supports control, switching, & monitoring functions
• Compact DIN rail mountable design
• Heavy-duty & durable construction
Applications
• Industrial control panels
• Commercial electrical systems
• Three phase power distribution
• Automation & monitoring systems
• High-load circuit control
FAQs
1. What is the purpose of this device?
Ans: It is used for auxiliary control, switching, & monitoring of three phase electrical circuits.
2. What does 3P+N mean?
Ans: It means the device controls & isolates all three phases along with the neutral conductor.
3. Why is dual voltage (240V/415V) important?
Ans: It allows the device to operate across both single-phase (phase-neutral) & three-phase (phase-phase) systems.
4. Where can this device be used?
Ans: It is suitable for industrial, commercial, & high-load electrical systems.
5. How is it installed?
Ans: It is mounted on a DIN rail inside a distribution board or control panel.
6. Can it be used in automation systems?
Ans: Yes, it is designed for seamless integration into automation & control systems.
7. Why is this device important?
Ans: It improves circuit control, enhances safety, & ensures reliable performance in three phase installations.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -5°C to +55°C |
| Tightening Torque | 1.2Nm |
| Termination capacity | 10 Sq. mm (Flexible) |
| No. of Poles | 3P+N |
| Rated Frequency | 50Hz |
| Rated Conditional SC Current | 3kA |
| Current Rating | EB 40A/DG 32A |
| Rated operational voltage (Ue) | 240V/415V |
| Conformance to Standards | IEC 60947-5-1, IEC 61000-4, IEC 60068-2 |
| Length(mm) | 125 |
| Height(mm) | 178 |
| Breadth(mm) | 164.6 |
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.