LK TTA IEC 61439 ENERSYS
LK (Lauritz Knudsen) TTA (Type Tested Assembly) panels are advanced low-voltage switchgear assemblies designed for power distribution and motor control in industrial, commercial, and infrastructure applications. These panels are manufactured in compliance with IEC 61439-1/2 standards, ensuring safety, reliability, and performance.
With Enersys range of switchboards, we assure you cutting- edge performance, superior safety, greater reliability, effective use of your capital & space, and high-class protection for your power distribution systems.
Benefits
The design verified assembly together with increased versatility makes it competent to accomplish today’s challenging demands and move towards fulfilling future expectations.
Enersys range is fully compartmentalized and duly complied with the latest international standards and local regulations, elevating your power distribution to a new level.
Technical Specifications: (With CU Bus bar)
| Application |
Floor mounted Fixed distribution board |
| Suitable Switchgear |
ACB: LK U-Power Omega
MCCB: LK D Sine MCCBs |
| Form of separation |
4B Type 6 |
| Ingress Protection |
IP 42, IP 54 (Upto 2500A) |
| Busbar Material |
Copper/ Tinned Copper |
| Ratings |
800/ 1000/ 1250/ 1600/ 2000/ 2500/ 3200/ 4000 A |
| Rated Operational Voltage |
Upto 690V AC |
| HBB Location |
Top/ Bottom |
| Cable Entry |
Top/ Bottom through cables & Ducts |
| Phase Clearance |
20 mm as per IEC 61439 |
| Compliances |
IEC 61439, KaHRAMAA, ADDC, DEWA |
| Short time withstand |
50 kA in 1s, 50 kA in 3s, 65 Ka in 1s. |
| Peak Withstand |
143 kA |
| Cable Access |
Rear & Front |
| Height of Panels |
2200 (with 50mm base frame)
2300 (with additional plinth of 100mm) |
| Insulation Voltage |
Incomer 12KV & Outgoing 8KV |
| Safety |
IP 2X after opening the door |
Technical Specifications: (With AL Bus bar)
| Rated Operational Voltage |
415 V AC |
| Rated Frequency |
50 Hz |
| Rated Insulation Voltage |
Up to 1000V AC |
| Rated Short time withstand Current |
Up to 70 kA, 1s for SDNIL System
Up to 80 kA, 1s for SDIL System |
| Rated Peak withstand current |
Up to 154 kA, 1s for SDNIL System
Up to 176 kA, 1s for SDIL System |
| Rated Impulse withstand voltage |
12kV for Busbar & ACB Feeder
8kV for MCCB feeder |
| Overvoltage category |
IV |
| Field Condition |
inhomogenious |
| Rated Current Maximum |
4000A |
| Conductor Material |
AL |
| Pollution Degree |
3 |
| Ambient Temperature |
35°C / 40°C / 45°C/ 50°C |
| Busbar Ratings |
800A/ 1000A/ 1250A/ 1600A/ 2000A/ 2500A/ 3200A/ 4000A |
| Conforming Standard |
IEC 61439- 1&2 |
| Form of separation |
Up to Form 4B |
| Degree of protection |
IP 54- up to 3200A
IP 43- up to 4000A
IP 55- with external Glass Door |
| Application (Indoor/Outdoor) |
Indoor |
Applications
Used in power plants, manufacturing industries, commercial complexes, data centers, and infrastructure projects.
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