Technical guides, product deep-dives and energy-saving know-how for panel builders and M&E teams
Straight-talking engineering content from Singapore's most responsive drives distributor. No fluff — just the specs, sizing logic and application notes your project actually needs. Filter by brand or topic below.
What to look for in a VSD for air handling units, cooling towers and chilled-water pumps: humidity and IP rating, harmonics, BMS protocols and cooling tower…
MCCB or MCB? How breaking capacity, the IEC 60898-1 and IEC 60947-2 standards, selectivity and temperature derating decide the right breaker for each board.
Soft starter or VFD for your pump? Compare starting current, running energy, harmonics and cost, with a decision matrix by pump duty, worked numbers and Singapore…
To replace a variable speed drive on site, first prove the drive has actually failed, then record everything the old unit was doing before you remove…
VFD sizing for a pump starts with the motor's full-load current, not its kW. Choose a variable frequency drive (VFD) whose normal-duty continuous output current is…
The Himel VSD X Series is Himel’s variable speed drive (VSD) platform for three-phase 380–480 V motors, split into the HAVXH range for general and high-performance…
Contactor selection matters because the contactor is the device that physically connects and disconnects the motor, thousands of times over its life, while carrying the motor’s…
The Himel VSD Smart Pump Series (HAVSP) reduces energy waste in pump systems by running each pump only as fast as the system needs, holding pressure…
A variable speed drive (VSD) improves motor efficiency by adjusting the frequency and voltage supplied to an AC motor so it runs only as fast as…
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