Switchgear, Panels & Protection
Practical guides from our engineers on choosing, sizing and specifying motors, panels, transformers, batteries, inverters, solar equipment, pumps and cables for Indian industry.
Choosing Push Buttons, Timers and Relays for Control Panels
Push buttons, pilot lamps, timers and interface relays look simple, but wrong colour codes, coil voltages and contact types cause real faults. Here is how to…
6 min readSwitchgear, Panels & ProtectionDrawout vs Fixed Type MCC and Intelligent MCC
Fixed MCCs cost least, drawout MCCs cut downtime, and intelligent MCCs add data. Here is how to decide which construction your plant actually needs.
6 min readSwitchgear, Panels & ProtectionSurge Protection Devices Type 1, 2 and 3: Where Each Goes
Type 1 SPDs handle direct lightning current at the service entrance, Type 2 sit at distribution boards and Type 3 protect sensitive equipment. Here is where…
6 min readSwitchgear, Panels & ProtectionAMF Panel and DG Changeover: How It Works
An AMF panel starts the DG set and shifts load when the mains fail, then reverses it when power returns. Here is the sequence, the hardware…
6 min readSwitchgear, Panels & ProtectionContactor and Overload Relay Selection for Motor Starters
Pick the contactor by its AC-3 rating and duty, set the overload relay to the motor full load current, and protect both with the right short-circuit…
6 min readSwitchgear, Panels & Protection11 kV MV Switchgear and VCB Panels Explained
An 11 kV panel is a metal-enclosed lineup built around a vacuum circuit breaker. This guide covers its parts, ratings, protection and what to specify.
6 min readSwitchgear, Panels & ProtectionBus Duct vs Cables for Power Distribution
Bus duct costs more per metre than cable but wins on voltage drop, space and flexibility at high currents. Here is how to compare them and…
6 min readSwitchgear, Panels & ProtectionACB vs MCCB vs MCB: Choosing the Right Breaker
MCB, MCCB and ACB overlap in the middle of their ranges. This guide compares them on current, fault rating, trip settings and use, and shows how…
6 min readSwitchgear, Panels & ProtectionForms of Separation in LT Panels: Form 1, 2b, 3b, 4b
Form 1 to Form 4b describe how much internal partitioning an LT panel has. Here is what each means, what it costs and how to choose…
6 min readSwitchgear, Panels & ProtectionAPFC Panel: What It Is and How to Size One
An APFC panel switches capacitor banks automatically to hold power factor near unity. Here is how to work out the kVAr, the steps and the detuning…
6 min readSwitchgear, Panels & ProtectionMCC Panel vs PCC Panel: Difference and When to Use
PCC panels take power in and distribute it; MCC panels start and protect motors. Here is how the two differ and how to decide what your…
6 min readSwitchgear, Panels & ProtectionWhat Routine Testing Should a Switchgear Panel Go Through?
The checks behind a panel built to IEC 61439 before it leaves the workshop.
2 min readSwitchgear, Panels & ProtectionUnderstanding IP Ratings for Industrial Electrical Equipment
What IP54, IP55 and IP65 actually mean when you specify panels and motors.
2 min read