31-07-2026
Connectors and Terminals on Power Supplies
Screw terminal, plug-in block or flying lead? The connection is the part most often chosen last and regretted first.…
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24-07-2026
Power Supply Redundancy: N+1, Hot-Swap and ORing
When a power supply failing is not an option, you build in a spare. Here is how N+1, hot-swap and ORing fit together.…
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21-07-2026
Sizing a VRLA Battery for Runtime and Cycle Life
Work out the load, the runtime and the right derating so a sealed lead-acid battery lasts the design life — not just the first winter.…
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17-07-2026
Choosing a UPS: Offline, Line-Interactive or Online
Offline, line-interactive or online double-conversion? A quick guide to matching UPS topology, transfer time and runtime to the equipment you need to protect.…
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15-07-2026
Constant-Voltage vs Constant-Current: Driving LEDs
LEDs are current-driven devices, so the wrong supply can dim, flicker or destroy them. Here is how to choose between a constant-voltage and a constant-current driver.…
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14-06-2026
IP Ratings Explained: Powering Kit in Damp, Dusty or Outdoor Places
IP65, IP67, IP20 - the two digits tell you what a supply can shrug off. Here is how to read them.…
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