Are there any applications where locking is not required?

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Are there any applications where locking is not required?

Answer: Yes, if a GST18i3 connector is not used in a fixed installation, but is used as a device connector on the device side to connect one device to the permanent installation. But even in this situation, it is advisable to fit a locking device, and if it turns out that some connections are not locked, to retrofit the locking device.

Rationale:

  • The GST18i3 connector not only complies with standard NEN-EN-IEC 61535 “Installation couplers intended for fixed connection in fixed installations”, but also with standard EN-IEC 60320: “Appliance couplers for household and similar general purposes”. EN60320 is a standard for connectors to connect devices to the mains, i.e. a single device that is not further connected. Examples are the connectors on the device side of monitors or televisions. This product standard does not stipulate that the connection must be locked and it is sometimes also inconvenient to do so. This application is also not covered by NEN1010..
  • It only applies to the GST18 3-core connector with a load of up to 230V/16A, because that is the scope of that standard.
  • Therefore, in the past, built-in connectors, so-called chassis components, were also listed in the catalogue without a lock. This can be useful for certain applications not used in fixed electrical installations (device connections). However, separate locks were available and came with an indication that connections must be locked.
  • Therefore, in the past, built-in connectors, so-called chassis components, were also listed in the catalogue without a lock. This can be useful for certain applications not used in fixed electrical installations (device connections). However, separate locks were available and came with an indication that connections must be locked.