Stars rating system explained


⭐ dangerous, it fails bad PE connection detection.
⭐⭐ insecure, it does not meet EN normative, but it passes bad PE connection detection, problematic PCB design (fire risk)
⭐⭐⭐ ok, but moderate liquid ingress protection (IP < 55), or it overheats
⭐⭐⭐⭐ ok, no manual stop button and/or no breaker
⭐⭐⭐⭐⭐ ok


⭐ bad, weak thin plastic, cheap elements
⭐⭐ ok, but generally cheap materials, relays loaded to their limits (gap to current limit <10%), relays overheat capacitors (short life of the product)
⭐⭐⭐ average
⭐⭐⭐⭐ ok
⭐⭐⭐⭐⭐ perfect quality and design


⭐ product does not work properly
⭐⭐ works below rated speed (< 95% of declared speed)
⭐⭐⭐ generally works
⭐⭐⭐⭐ extra functionality (energy counter, display with parameters, etc)
⭐⭐⭐⭐⭐ hi-end functionality, not common at other products

Value for money

⭐ expensive and ineffective
⭐⭐ expensive
⭐⭐⭐ average
⭐⭐⭐⭐ good price-quality ratio
⭐⭐⭐⭐ perfect

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