BEMİS GLOBAL
CEE (IEC 60309) or Schuko? Choosing between industrial and domestic-type sockets
Short answer: Use IEC 60309 (CEE) plugs and sockets when the load needs more than 16 A, three-phase power, or a connection that cannot be mixed up between voltage systems. Schuko-type single-phase sockets suit 230 V loads up to 16 A, such as hand tools and site lighting; Bemis also makes them in rubber and IP44–IP68 versions for harsh conditions.
| IEC 60309 (CEE) | Schuko type (single-phase) | |
|---|---|---|
| Current | 16, 32, 63, 125 A (Bemis also 160 A and above) | 16 A |
| Systems | single-phase and three-phase, 24 V to 450 V | single-phase 220–250 V |
| Mix-up protection | colour and clock-position coding | none between voltage systems |
| Bemis protection ratings | IP44, IP67 | IP44, IP54, IP68 |
| Typical use | machines, site distribution, events, industry | hand tools, lighting, small appliances |
Frequently asked questions
Can a Schuko plug be used on a construction site?
Yes, for single-phase loads up to 16 A, provided the product's protection rating suits the conditions; rubber or IP44+ versions are made for site use. Higher currents and three-phase equipment need IEC 60309.
Why are CEE sockets coloured?
The colour shows the voltage range (blue 200–250 V, red 380–480 V, yellow 100–130 V) so the right socket can be recognised at a glance; the clock position adds a mechanical barrier.
Is a blue 16 A CEE socket the same as a Schuko socket?
No. Both are single-phase 16 A, but the blue IEC 60309 socket uses a different pin layout and coding and only accepts IEC 60309 plugs.
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