Overload Relays for Pump Motors: Selection and Setting
How to pick the trip class, set the dial, and choose a reset mode for pump motor overload relays across centrifugal, positive-displacement, and submersible applications.
10 min read
Technical
Pumps guides
Guides and notes on industrial electrical and automation parts: selection, wiring, settings and ordering.
- Articles
- 4
- Latest
MPCB for Pump Motors: Selection and Setting
How to size the thermal dial, select trip class, and protect against phase loss when specifying an MPCB for a pump motor.
10 min read
VFD for Pumps: Setup and Energy Savings
How a VFD saves energy on centrifugal pumps via the affinity laws, plus duty rating, PID/multi-pump control, dry-run protection, and sizing.
10 min read
Soft Starter for Pumps: Sizing and Settings
How to size current limit, ramp time, and soft-stop settings for a soft starter on a centrifugal pump, and when a VFD is the better fit instead.
10 min read
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