Lauritz Knudsen Accessory for MCCBs: Rotary Handle | Extended ROM | Suitable for DY125U
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Lauritz Knudsen Accessory for MCCBs: Rotary Handle | Extended ROM | Suitable for DY125U
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen EM90970OOOO is an Extended Rotary Operating Mechanism (Extended ROM) designed for DY125U series MCCBs, enabling external ON/OFF control of the breaker from outside the panel enclosure.
Unlike direct rotary mechanisms, the extended ROM uses a shaft extension system, allowing the operator to control the MCCB from the front panel even when the breaker is mounted deep inside an enclosure. This makes it especially valuable for large panel boards, deep enclosures, & industrial control cabinets, where direct access to the breaker is limited.
The extended mechanism significantly enhances operator safety by eliminating the need to open panels or access live components during operation. It ensures smooth & reliable switching, supporting safe disconnection & controlled operation of the electrical system.
Designed for seamless compatibility with DY125U MCCBs, the extended ROM offers easy installation, robust mechanical performance, & long operational life. It is an essential accessory for modern electrical systems that require ergonomic control, safety compliance, & improved panel accessibility.
This accessory is ideal for applications requiring remote manual operation, safe isolation, & enhanced usability in complex panel environments.
How the Mechanism Works
The switching contacts carry normal current & open when the trip system detects an overload or short-circuit condition, interrupting the fault path.
Electrical Configuration
Choose the stated pole configuration & current, voltage, & breaking-capacity ratings to match the circuit & its prospective fault level.
Construction & Design
A compact insulating body integrates the operating mechanism, contacts, arc-control components, terminals, & trip elements for reliable circuit protection.
Safety & Protection
Provides circuit isolation & overcurrent protection when correctly selected, coordinated, installed, & operated within its published ratings.
Mounting & Durability
Install on the applicable DIN rail or panel system with secure conductors, correct torque, & adequate enclosure clearance for repeated operation.
Application Domains
Suitable for power distribution & circuit protection in residential, commercial, industrial, infrastructure, & OEM panels.
Key Features
• Extended Rotary Operating Mechanism (Extended ROM)
• Enables external operation of MCCB from panel front
• Designed for deep panel & enclosure installations
• Compatible with DY125U MCCB series
• Provides shaft extension for remote operation
• Enhances operator safety by avoiding direct breaker access
• Smooth & reliable ON/OFF switching
• Easy installation & integration
• Durable construction for long service life
• Ideal for industrial & commercial panel systems
Applications
• Switchgear & control panels
• Deep electrical enclosures & cabinets
• Industrial automation panels
• Commercial distribution boards
• Systems requiring external breaker operation
• Installations requiring enhanced operator safety
FAQs
1. What is an Extended ROM used for?
Ans: It allows the MCCB to be operated externally from a panel door using an extended shaft mechanism.
2. How is it different from a Direct ROM?
Ans: A Direct ROM mounts directly on the breaker, while an Extended ROM allows operation from a distance using a shaft extension.
3. Which MCCBs is this compatible with?
Ans: It is designed for the DY125U MCCB series.
4. Does it improve safety?
Ans: Yes, it allows operation without opening the panel, reducing exposure to live components.
5. Where is it typically used?
Ans: It is used in deep enclosures, industrial panels, & systems requiring external control.
6. Does it affect normal MCCB functioning?
Ans: No, it only provides an external operating mechanism & does not affect protection functionality.
Overview
| Other Specification 1 | Extended ROM |
|---|---|
| Discount Percentage | Between 0-10 % |
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 Lauritz Knudsen EM90970OOOO is an Extended Rotary Operating Mechanism (Extended ROM) designed for DY125U series MCCBs, enabling external ON/OFF control of the breaker from outside the panel enclosure.
Unlike direct rotary mechanisms, the extended ROM uses a shaft extension system, allowing the operator to control the MCCB from the front panel even when the breaker is mounted deep inside an enclosure. This makes it especially valuable for large panel boards, deep enclosures, & industrial control cabinets, where direct access to the breaker is limited.
The extended mechanism significantly enhances operator safety by eliminating the need to open panels or access live components during operation. It ensures smooth & reliable switching, supporting safe disconnection & controlled operation of the electrical system.
Designed for seamless compatibility with DY125U MCCBs, the extended ROM offers easy installation, robust mechanical performance, & long operational life. It is an essential accessory for modern electrical systems that require ergonomic control, safety compliance, & improved panel accessibility.
This accessory is ideal for applications requiring remote manual operation, safe isolation, & enhanced usability in complex panel environments.
How the Mechanism Works
The switching contacts carry normal current & open when the trip system detects an overload or short-circuit condition, interrupting the fault path.
Electrical Configuration
Choose the stated pole configuration & current, voltage, & breaking-capacity ratings to match the circuit & its prospective fault level.
Construction & Design
A compact insulating body integrates the operating mechanism, contacts, arc-control components, terminals, & trip elements for reliable circuit protection.
Safety & Protection
Provides circuit isolation & overcurrent protection when correctly selected, coordinated, installed, & operated within its published ratings.
Mounting & Durability
Install on the applicable DIN rail or panel system with secure conductors, correct torque, & adequate enclosure clearance for repeated operation.
Application Domains
Suitable for power distribution & circuit protection in residential, commercial, industrial, infrastructure, & OEM panels.
Key Features
• Extended Rotary Operating Mechanism (Extended ROM)
• Enables external operation of MCCB from panel front
• Designed for deep panel & enclosure installations
• Compatible with DY125U MCCB series
• Provides shaft extension for remote operation
• Enhances operator safety by avoiding direct breaker access
• Smooth & reliable ON/OFF switching
• Easy installation & integration
• Durable construction for long service life
• Ideal for industrial & commercial panel systems
Applications
• Switchgear & control panels
• Deep electrical enclosures & cabinets
• Industrial automation panels
• Commercial distribution boards
• Systems requiring external breaker operation
• Installations requiring enhanced operator safety
FAQs
1. What is an Extended ROM used for?
Ans: It allows the MCCB to be operated externally from a panel door using an extended shaft mechanism.
2. How is it different from a Direct ROM?
Ans: A Direct ROM mounts directly on the breaker, while an Extended ROM allows operation from a distance using a shaft extension.
3. Which MCCBs is this compatible with?
Ans: It is designed for the DY125U MCCB series.
4. Does it improve safety?
Ans: Yes, it allows operation without opening the panel, reducing exposure to live components.
5. Where is it typically used?
Ans: It is used in deep enclosures, industrial panels, & systems requiring external control.
6. Does it affect normal MCCB functioning?
Ans: No, it only provides an external operating mechanism & does not affect protection functionality.
Overview
| Other Specification 1 | Extended ROM |
|---|---|
| Discount Percentage | Between 0-10 % |
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.