Motor-driven systems don’t usually fail because they ran, they fail because of how often (and how harshly) they started. For distributors and resellers supporting industrial customers across Canada, VJ Pamensky (WEG Canada) soft starters are an easy-to-spec solution when the goal is straightforward: protect motors and connected machinery, reduce service calls and keep projects moving.
Soft starters control the voltage applied during startup (and often during stop), so the motor accelerates smoothly instead of being subjected to full line voltage like a DOL start. The practical outcomes are simple:
If you’re looking for a “set it and forget it” motor protection layer that’s easier than a VFD for many constant-speed applications, soft starters are the sweet spot.
Across-the-line starting can pull high current and create abrupt torque, which shows up as:
A soft starter ramps voltage up over a defined time, smoothing torque rise so the driven equipment isn’t hit with an instant torque step. That’s why they’re often recommended when customers want motor protection without changing the mechanical system or operating sequence.
A VFD earns its keep when the application needs speed control, energy savings from throttling via RPM reduction or advanced process control.
A soft starter is often the better choice when:
In reseller terms: soft starters are an easier “yes” for projects that need smoother starts, fewer trips and less mechanical wear.
Soft starters are commonly specified for:
Pumps
Conveyors
Compressors
Soft starters can help reduce “mystery” issues that show up during commissioning or after minor plant changes:
That combination can translate directly into fewer callouts for “it trips when it starts.”
If you want fewer back-and-forths during quoting and submittals, align these items early:
Soft starters are one of the easiest wins in motor control: they improve starts, reduce stress and simplify life for both maintenance teams and project managers. If you’re quoting constant-speed pumps, conveyors or compressors and the customer’s biggest concern is reliability, not process speed control, soft starters are often the most practical path.
Contact VJ Pamensky today to explore our soft starter options and request support for sizing, protection and integration.
Yes. A soft starter limits the initial voltage and ramps it up over a set time, which typically lowers starting current compared to across-the-line starts. The exact reduction depends on ramp settings and load conditions.
Choose a soft starter when the motor runs at constant speed and you mainly need smoother starts/stops and reduced mechanical shock.
Both. By reducing torque shock and abrupt acceleration, soft starters help protect couplings, belts, gearboxes and driven equipment, especially on conveyors, pumps and compressors.
Often, yes. By reducing voltage dip and creating a more predictable start profile, soft starters can reduce start-related trips and make protection coordination easier (features vary by model).
At minimum: motor voltage and FLA, HP/kW, duty and starts per hour, load type (light/medium/heavy), required ramp time and whether you need soft stop or bypass. Environment (temperature/enclosure) and communications needs are also important.
Yes. Many pump installations benefit from reduced mechanical/hydraulic shock at startup and soft stop may help reduce pressure spikes depending on the system design.
