L&T Standard Box Duty Power Capacitor

L&T Standard Box Duty Power Capacitor – Reliable Power Factor Correction for Industrial Use. The L&T Standard Box Duty Power Capacitor is designed to provide reliable and efficient power factor correction in low-voltage applications. Constructed with high-quality metallized polypropylene film and a sturdy steel enclosure, it offers exceptional safety, durability, and longevity even under challenging operating conditions.

Key Features at a Glance

• Type: Metallized Polypropylene (MPP) Power Capacitor

• Capacitance Range: 1 kVAr to 50 kVAr [Other ratings available]

• Rated Voltage: 3-phase, 440V (other voltage ratings available)

• Technology: MPP film, stacked winding design, non-PCB biodegradable resin

• Construction: Rectangular, powder-coated sheet-steel box with finger-proof terminals

• Operating Life: Up to 100,000 hours under standard conditions

• Overcurrent Withstand: Up to 1.5 × rated current (1.5 × Iₙ)

• Inrush Current Withstand: Up to 200 × rated current (200 × Iₙ)

• Operating Losses: ≤ 0.45 W/kVAr

• Switching Operations: Approx. 5,000 per year

• Temperature Range: Up to 55°C ambient

• Safety Features:

  • Self-healing dielectric

  • Over-pressure disconnector

  • Discharge resistors for voltage reduction

Why Choose This Product

The L&T Standard Box Duty Power Capacitor is engineered to deliver consistent and efficient power factor correction for low-voltage systems. Built with metallized polypropylene film and robust steel housing, it ensures safety, durability, and long life even in demanding environments. Its self-healing property and over-pressure protection make it a reliable choice for reducing energy costs, improving voltage stability, and minimizing power losses.

Ideal For

• Small-scale industrial units

• Machine shops

• Agricultural pump sets

• Commercial electrical installations

• HVAC and lighting systems

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Frequently Asked Questions

Q1. What is the primary function of an L&T Box Duty Power Capacitor?
It improves the power factor in electrical systems, reducing energy losses and lowering electricity bills.

Q2. Is this capacitor suitable for non-linear loads?
It’s designed mainly for linear and stable loads. For non-linear applications, L&T offers detuned or heavy-duty capacitors.

Q3. What maintenance does it require?
Minimal maintenance—ensure proper ventilation, periodic inspection for overheating, and secure terminal connections.