Switch-interlocked sockets for 110 and 240V uses
A
Cee-Norm UK product story
Edited by the Engineeringtalk editorial team
May 22, 2001
Switch-interlocked sockets, which comply with the safety regulations covering the use of trailing power take-off leads, are now available from Cee-Norm
Switch-interlocked sockets, which comply with the safety regulations covering the use of trailing power take-off leads, are available in the range of industrial plugs, sockets and combination units from Cee-Norm UK Ltd.
These products can be supplied in 3, 4 and 5 pole configuration, incorporating the necessary RCD (earth fault protection) as well as additional MCB (overcurrent protection), for connection to either mains or local generator power sources at industrial or construction site locations.
A mechanical interlock mechanism provides primary protection by preventing the switch being turned 'ON' before an appropriate plug is fully inserted.
The plug also cannot be removed unless the switch is in the 'OFF' position.
Three phase switching is provided on relevant units and provision is made for padlocking the units to prevent unauthorised access to power sources.
The sockets can be supplied with ratings of 16, 32 and 63 amps, with 125 amp units also available to special order.
They are available for 110 and 240V applications (both 2P + E), together with both 3P + E and 3P + N + E versions for 415V operation.
In all cases they are fitted with one 30MA/30MS RCD and one type 'C' MCB as standard and feature IP67 protection against dust and water ingress.
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