Type Tested Assembly (TTA) Panels for Reliable Power Distribution

The TTA (Type Tested Assembly) Panel is engineered to provide safe, reliable, and efficient power distribution for industrial, commercial, and infrastructure applications. Designed and tested in accordance with recognized IEC standards, these panels ensure high operational performance, superior safety, and dependable operation under demanding electrical conditions.

Manufactured using premium-quality components and robust enclosures, TTA Panels offer excellent short-circuit withstand capability, enhanced protection, and long service life. Their modular construction, easy maintenance, and compliance with international standards make them an ideal solution for modern low-voltage power distribution systems.

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Product Details
Product Specification

General & Enclosure Parameters

General System Parameters

  • Design Standard: Fully Type Tested Assembly (TTA) as per IEC 61439-1 & -2.
  • Rated Operational Voltage (\(U_{e}\)): 415V AC, 3-Phase, 4-Wire.
  • Rated Insulation Voltage (\(U_{i}\)): Up to 1000V AC.
  • Rated Impulse Withstand Voltage (\(U_{imp}\)): 8kV to 12kV depending on the incomer.
  • Rated Frequency: 50 Hz ± 5%.
  • Control Voltage: 220V AC / 240V AC, 110V AC, or 24V DC.

Main Busbar & Auxiliary System

  • Busbar Material: Electrolytic grade Copper (EC grade) or Aluminum (E91E grade).
  • Busbar Rating: Incomer up to 6300A / 8000A (Horizontal Main Busbars); Distribution up to 4000A.
  • Short-Time Withstand Current (\(I_{cw}\)): Up to 50kA, 65kA, 85kA, or 100kA for 1 sec / 3 sec (depending on the system fault level).
  • Peak Withstand Current (\(I_{pk}\)): Up to 143kA, 154kA, or 220kA.

Mechanical & Enclosure Specifications

  • Construction: Floor-mounted, single/double front, dust and vermin-proof.
  • Degree of Protection: IP 42, IP 54, or IP 55.
  • Form of Separation: Form 3B to Form 4B.
  • Enclosure Material: CRCA (Cold Rolled Close Annealed) sheet steel.
  • Sheet Thickness: Load-bearing parts (2.0 mm), Doors/Covers (1.6 mm), and Gland Plates (3.0 mm).
  • Color / Finish: RAL 7032 / RAL 7035 (or specified shade) epoxy polyester powder coating.

Safety & Internal Arc Protection

  • Internal Arc Protection: Compliant with IEC/TR 61641, tested up to 85kA for 0.5 sec.
  • Seismic Withstand: Zone V compliance as per IS 1893.
  • Operator Safety: Minimum IP2X protection when doors are open (to prevent accidental contact with live parts).

Switchgear Integration

  • Air Circuit Breakers (ACB): LK U-Power Omega series.
  • Moulded Case Circuit Breakers (MCCB): LK D-Sine series.
  • Smart Monitoring: Compatible with Energy Management Systems (EMS) and Power Management Systems (PMS) with cloud-based QR code life-cycle tracking.

Note: The exact technical parameters (such as busbar dimensions, fault levels, and IP ratings) will shift depending on your specific Single Line Diagram (SLD) and site application (PCC vs. MCC).

Why Choose Our TTA Panels?

01

Type Tested Design

Fully type tested assemblies designed in accordance with IEC standards.

02

Reliable Performance

Engineered for safe and consistent operation in critical power systems.

03

Premium Components

Built using trusted electrical components for dependable performance.

04

Robust Construction

Heavy-duty enclosure designed for long service life and durability.

05

Easy Maintenance

Modular design allows quick installation and simplified maintenance.

Looking for Reliable Electrical Panel Solutions?

From HT Panels and Compact Substations to Smart Hybrid Panels, Outdoor Panels, Energy Link, and Energy Management Systems, we provide high-quality, customized solutions designed to deliver safe, efficient, and reliable power distribution for every application.

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