Lauritz Knudsen FN SDF (Switch Disconnector Fuse) 250A | TPN | Open Execution DIN Type | Suitable for DIN fuse-link | Telescopic shaft for depth adjustment
Images:
Image 360:
How to video:
Further offers for this product
Incl. Tax
In Stock
No sellers found for this product.
Incl. Tax
Lauritz Knudsen FN SDF (Switch Disconnector Fuse) 250A | TPN | Open Execution DIN Type | Suitable for DIN fuse-link | Telescopic shaft for depth adjustment
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
Lauritz Knudsen FN Switch Disconnector Fuse (SDFs) come with the following safety features as a standard offering:
-Terminal Shrouds on both line and load side
-Phase barriers
-High clearances and creepage distances
-High ground clearance
Offering:
-Range: 32A to 800A
-Available in open execution and SS enclosure variants
-Versions: Suitable for DIN type and Bolted type fuses
-HE SDF version for harsh sulphurous environment
-Configurations: 2P, TPN, 4P(100% rated, Switched neutral)
Salient Features:
-AC-23A utilization category for entire range
-Quick-make /Quick-break mechanism
-Quad break contact system : Better arc quenching and higher electrical life of contacts
-Telescopic Shaft: Step-less depth adjustment
-Suitable for Aluminum termination
-Ample space for termination in spacious SS enclosure version
-No separate cable gland boxes required Clear ON/OFF indications
-Door interlocking in ON position with defeat feature
Overview
| Rated Operational Current (A) | 250A |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Fuse Type | DIN /Knife-edge |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 10000 |
| Rated Insulation Voltage Ui (V) | 690V |
| Rated Breaking Capacity@AC-23A (A) | 2000 |
| Rated Making Capacity@AC-23A (A) | 2500 |
| Version | Open Execution |
| No. of Poles | TPN |
| Maximum Al termination (sq.mm) | 240 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shrouds, Phase Barriers, Extended handle with shaft |
| Pollution Degree | 3 |
| 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
Lauritz Knudsen FN Switch Disconnector Fuse (SDFs) come with the following safety features as a standard offering:
-Terminal Shrouds on both line and load side
-Phase barriers
-High clearances and creepage distances
-High ground clearance
Offering:
-Range: 32A to 800A
-Available in open execution and SS enclosure variants
-Versions: Suitable for DIN type and Bolted type fuses
-HE SDF version for harsh sulphurous environment
-Configurations: 2P, TPN, 4P(100% rated, Switched neutral)
Salient Features:
-AC-23A utilization category for entire range
-Quick-make /Quick-break mechanism
-Quad break contact system : Better arc quenching and higher electrical life of contacts
-Telescopic Shaft: Step-less depth adjustment
-Suitable for Aluminum termination
-Ample space for termination in spacious SS enclosure version
-No separate cable gland boxes required Clear ON/OFF indications
-Door interlocking in ON position with defeat feature
Overview
| Rated Operational Current (A) | 250A |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Fuse Type | DIN /Knife-edge |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 10000 |
| Rated Insulation Voltage Ui (V) | 690V |
| Rated Breaking Capacity@AC-23A (A) | 2000 |
| Rated Making Capacity@AC-23A (A) | 2500 |
| Version | Open Execution |
| No. of Poles | TPN |
| Maximum Al termination (sq.mm) | 240 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shrouds, Phase Barriers, Extended handle with shaft |
| Pollution Degree | 3 |
| 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.