Lauritz Knudsen EXORA, MCB, 1 Pole, 130V DC, 6kA, C Curve, 40A
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Lauritz Knudsen EXORA, MCB, 1 Pole, 130V DC, 6kA, C Curve, 40A
- Description
- Specifications
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- Warranty
- Reviews
Description
About the Product
The Exora MCB 40A SP 130V DC 6kA C Curve is a high-performance Miniature Circuit Breaker specifically engineered for high-load direct current (DC) applications. Designed to provide dependable protection against overloads & short circuits, this MCB safeguards electrical equipment & wiring from damage caused by abnormal current conditions. With a 40A current rating, 130V DC operating voltage, 6kA breaking capacity, & C Curve tripping characteristic, it is ideally suited for solar systems, battery energy storage installations, DC distribution systems, telecom applications, & automation environments where reliable DC circuit protection is essential.
How the Mechanism Works
The Exora MCB utilizes an advanced thermal magnetic protection system for comprehensive circuit protection.
• Thermal protection responds to sustained overload conditions.
• Magnetic protection provides instantaneous response to short circuits.
• Automatically disconnects the circuit during fault conditions.
• Protects connected equipment & wiring from electrical damage.
• C Curve characteristic allows moderate inrush currents without nuisance tripping.
• Ensures stable operation of DC loads & power distribution circuits.
• Provides fast & accurate fault interruption.
Electrical Configuration
This MCB is designed for protection of high-load DC electrical systems.
• Rated current: 40A
• Pole configuration: Single Pole (SP)
• Rated voltage: 130V DC
• Breaking capacity: 6kA
• Tripping characteristic: C Curve
• Thermal magnetic protection mechanism
• Suitable for direct current applications
Construction & Design
Built for dependable operation & long-term reliability in modern DC installations.
• High-quality flame-retardant insulated housing
• Compact modular design for efficient panel utilization
• Precision-engineered tripping mechanism
• Robust contact system for reliable switching performance
• Ergonomic operating lever for easy manual control
• Durable construction designed for extended service life
Safety & Protection
The MCB delivers reliable protection against common electrical faults.
• Overload protection
• Short-circuit protection
• Fast fault interruption capability
• Protection of electrical & electronic equipment
• Prevention of wiring damage
• Improved system safety & reliability
• Enhanced circuit protection for automation systems
• Reliable operation in DC environments
Mounting & Durability
Designed for convenient installation & long operational life.
• Standard DIN rail mounting compatibility
• Quick & secure installation
• Compact space-saving design
• Suitable for DC distribution boards & control panels
• Resistant to electrical & thermal stresses
• Low maintenance requirements
• Long service life with consistent protection performance
Application Domains
Suitable for a wide range of DC electrical applications.
• Solar photovoltaic (PV) systems
• Battery energy storage systems (BESS)
• DC distribution panels
• Industrial automation systems
• PLC systems & control circuits
• Telecom equipment & networks
• Instrumentation systems
• DC power distribution applications
Key Features
• Rated current: 40A
• Single Pole (SP) configuration
• Rated voltage: 130V DC
• Breaking capacity: 6kA
• C Curve tripping characteristic
• Thermal magnetic protection mechanism
• Fast & reliable fault response
• Overload & short-circuit protection
• DIN rail mounting compatible
• Suitable for DC applications
• Compact modular construction
• Durable & reliable design
Applications
• Solar PV systems
• Battery storage & backup systems
• DC control panels
• PLC & automation systems
• Telecom installations
• Industrial control systems
• Instrumentation circuits
• DC power distribution networks
FAQs
1. What is a 40A DC MCB used for?
Ans: A 40A DC MCB is used to protect high-load DC circuits from overload & short-circuit conditions, ensuring safe operation of connected equipment & systems.
2. What is a C Curve tripping characteristic?
Ans: A C Curve MCB allows moderate inrush currents before tripping, making it suitable for general-purpose DC loads, automation systems, battery installations, & control circuits.
3. What does the 130V DC rating mean?
Ans: The 130V DC rating indicates the maximum direct current voltage at which the MCB can safely operate & interrupt fault conditions.
4. What is a 6kA breaking capacity?
Ans: A 6kA breaking capacity means the MCB can safely interrupt fault currents up to 6,000 amperes without damage.
5. Does this MCB protect against overloads & short circuits?
Ans: Yes, the thermal magnetic protection mechanism provides protection against both overload & short-circuit faults.
6. Where is this MCB commonly installed?
Ans: It is commonly installed in solar systems, battery energy storage systems, telecom installations, PLC panels, automation controls, & DC power distribution circuits.
7. Is this MCB suitable for AC applications?
Ans: No, this model is specifically designed & rated for DC applications up to 130V DC.
8. How is the MCB installed?
Ans: The MCB is designed for easy installation on standard DIN rails inside DC distribution boards, control panels, & electrical enclosures.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -25°C to +70°C |
| Electrical life (Operating Cylces) | 3000 |
| Tightening Torque | 4Nm |
| Termination capacity | 35 Sq. mm (Rigid) 25 Sq. mm (Flexible) |
| Mechanical Life (Operating Cycles) | 100000 |
| No. of Poles | SP |
| Conformance to standards | IEC 60947-2 |
| Rated Insulation Voltage Ui (V) | 500V |
| Rated Short-circuit Breaking Capacity | 6kA |
| Rated Impulse Voltage | 4kV |
| Current Rating | 40A |
| Rated Operational voltage (Ue) | 130V |
| Conformance to Standards | IEC 60947-2 |
| Tripping Characteristic | C Curve |
| Length(mm) | 74.5 |
| Height(mm) | 87.3 |
| Breadth(mm) | 17.5 |
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 Exora MCB 40A SP 130V DC 6kA C Curve is a high-performance Miniature Circuit Breaker specifically engineered for high-load direct current (DC) applications. Designed to provide dependable protection against overloads & short circuits, this MCB safeguards electrical equipment & wiring from damage caused by abnormal current conditions. With a 40A current rating, 130V DC operating voltage, 6kA breaking capacity, & C Curve tripping characteristic, it is ideally suited for solar systems, battery energy storage installations, DC distribution systems, telecom applications, & automation environments where reliable DC circuit protection is essential.
How the Mechanism Works
The Exora MCB utilizes an advanced thermal magnetic protection system for comprehensive circuit protection.
• Thermal protection responds to sustained overload conditions.
• Magnetic protection provides instantaneous response to short circuits.
• Automatically disconnects the circuit during fault conditions.
• Protects connected equipment & wiring from electrical damage.
• C Curve characteristic allows moderate inrush currents without nuisance tripping.
• Ensures stable operation of DC loads & power distribution circuits.
• Provides fast & accurate fault interruption.
Electrical Configuration
This MCB is designed for protection of high-load DC electrical systems.
• Rated current: 40A
• Pole configuration: Single Pole (SP)
• Rated voltage: 130V DC
• Breaking capacity: 6kA
• Tripping characteristic: C Curve
• Thermal magnetic protection mechanism
• Suitable for direct current applications
Construction & Design
Built for dependable operation & long-term reliability in modern DC installations.
• High-quality flame-retardant insulated housing
• Compact modular design for efficient panel utilization
• Precision-engineered tripping mechanism
• Robust contact system for reliable switching performance
• Ergonomic operating lever for easy manual control
• Durable construction designed for extended service life
Safety & Protection
The MCB delivers reliable protection against common electrical faults.
• Overload protection
• Short-circuit protection
• Fast fault interruption capability
• Protection of electrical & electronic equipment
• Prevention of wiring damage
• Improved system safety & reliability
• Enhanced circuit protection for automation systems
• Reliable operation in DC environments
Mounting & Durability
Designed for convenient installation & long operational life.
• Standard DIN rail mounting compatibility
• Quick & secure installation
• Compact space-saving design
• Suitable for DC distribution boards & control panels
• Resistant to electrical & thermal stresses
• Low maintenance requirements
• Long service life with consistent protection performance
Application Domains
Suitable for a wide range of DC electrical applications.
• Solar photovoltaic (PV) systems
• Battery energy storage systems (BESS)
• DC distribution panels
• Industrial automation systems
• PLC systems & control circuits
• Telecom equipment & networks
• Instrumentation systems
• DC power distribution applications
Key Features
• Rated current: 40A
• Single Pole (SP) configuration
• Rated voltage: 130V DC
• Breaking capacity: 6kA
• C Curve tripping characteristic
• Thermal magnetic protection mechanism
• Fast & reliable fault response
• Overload & short-circuit protection
• DIN rail mounting compatible
• Suitable for DC applications
• Compact modular construction
• Durable & reliable design
Applications
• Solar PV systems
• Battery storage & backup systems
• DC control panels
• PLC & automation systems
• Telecom installations
• Industrial control systems
• Instrumentation circuits
• DC power distribution networks
FAQs
1. What is a 40A DC MCB used for?
Ans: A 40A DC MCB is used to protect high-load DC circuits from overload & short-circuit conditions, ensuring safe operation of connected equipment & systems.
2. What is a C Curve tripping characteristic?
Ans: A C Curve MCB allows moderate inrush currents before tripping, making it suitable for general-purpose DC loads, automation systems, battery installations, & control circuits.
3. What does the 130V DC rating mean?
Ans: The 130V DC rating indicates the maximum direct current voltage at which the MCB can safely operate & interrupt fault conditions.
4. What is a 6kA breaking capacity?
Ans: A 6kA breaking capacity means the MCB can safely interrupt fault currents up to 6,000 amperes without damage.
5. Does this MCB protect against overloads & short circuits?
Ans: Yes, the thermal magnetic protection mechanism provides protection against both overload & short-circuit faults.
6. Where is this MCB commonly installed?
Ans: It is commonly installed in solar systems, battery energy storage systems, telecom installations, PLC panels, automation controls, & DC power distribution circuits.
7. Is this MCB suitable for AC applications?
Ans: No, this model is specifically designed & rated for DC applications up to 130V DC.
8. How is the MCB installed?
Ans: The MCB is designed for easy installation on standard DIN rails inside DC distribution boards, control panels, & electrical enclosures.
Overview
| Discount Percentage | Between 0-10 % |
|---|---|
| Operating Temperature Range | -25°C to +70°C |
| Electrical life (Operating Cylces) | 3000 |
| Tightening Torque | 4Nm |
| Termination capacity | 35 Sq. mm (Rigid) 25 Sq. mm (Flexible) |
| Mechanical Life (Operating Cycles) | 100000 |
| No. of Poles | SP |
| Conformance to standards | IEC 60947-2 |
| Rated Insulation Voltage Ui (V) | 500V |
| Rated Short-circuit Breaking Capacity | 6kA |
| Rated Impulse Voltage | 4kV |
| Current Rating | 40A |
| Rated Operational voltage (Ue) | 130V |
| Conformance to Standards | IEC 60947-2 |
| Tripping Characteristic | C Curve |
| Length(mm) | 74.5 |
| Height(mm) | 87.3 |
| Breadth(mm) | 17.5 |
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.