ENERGY-IQ-PCC-MCC & POWER FACTOR

Reliable Power Distribution with ENERGY-IQ-PCC-MCC & Power Factor Solutions

A comprehensive GTP for an LT panel typically requires the following specific details to ensure compliance with standards like IEC 61439:

General System Details

• Equipment Name: Low Tension (LT) Panel
• System Voltage: 415 V ± 10%, 3 Phase, 4 Wire
• Rated Insulation Voltage: 690 V
• Frequency: 50 Hz ± 5%
• Fault Level (Short Circuit Capacity): Typically 50 kA for 1 second (varies by application)

2. Enclosure & Construction Details

• Enclosure Type: Floor / Wall mounted, compartmentalized design
• Degree of Protection: IP54 or IP55 (Outdoor), IP42 or IP52 (Indoor)
• Material: CRCA (Cold Rolled Close Annealed) sheet steel
• Sheet Thickness: Frame & Load bearing: Minimum 2.0 mm, Frame & Load bearing: Minimum 2.0 mm, Doors & Covers: Minimum 1.6 mm, Gland Plate: 3.0 mm
• Paint Shade: RAL 7032 / RAL 7035 (Powder coated) or As per Customer Specifications.

Busbar Specifications

• Busbar Material: Electrolytic grade Copper or Aluminum
• Busbar Rating: Continuous rating up to 4000 A (calculated per specific load)
• Color Coding: R (Red), Y (Yellow), B (Blue), N (Black), E (Green)
• Temperature Rise: Maximum 50°C over ambient temperature

Switchgear (ACB, MCCB, MCB)

• Air Circuit Breaker (ACB): Microprocessor-based, 4-pole, draw-out type, with adjustable O/L, S/C, and Earth Fault releases
• Moulded Case Circuit Breaker (MCCB): Thermal-magnetic or Microprocessor release, 3-pole or 4-pole, minimum breaking capacity matches panel fault level
• Make of Switchgear: Siemens, L&T, Schneider Electric, or ABB

Protection & Metering

• Current Transformers (CTs): Epoxy cast resin, accuracy class 1.0 or 0.5, 5A or 1A secondary
• Measuring Meters: Digital Multifunction Meters (MFM) measuring Voltage, Current, Frequency, Power Factor, and Active/Reactive Power.

Control & Wiring

• Control Wire: 1.5 sq. mm copper flexible (for CT circuits, use 2.5 sq. mm)
• Wiring Marking: PVC ferrules with numbers at both ends for traceability
• Earthing: Copper/GI earth bus running the entire length of the panel with 2 distinct earth terminals