This definition appears very rarely
We have 1 other definition for NOPN
in our Acronym Attic
Samples in periodicals archive:
The AP1AD01BL (SPDT) is configured with a set of two contacts, one normally open and the other normally closed.
Suitable For Mounting Flush At The Back Of Panel,Rated 15 Amps, 250 Volts Dc,Double Pole With One Pole Normally Open And One Pole Normally Closed,Kaycee Type Kts-2A Or Rgk/Iec Type Ts-1512 Or Similar As Per Dlw Drg No-El/Pt/0713 Dlw Pt No 12319351.
Normally open to the public, the area was immediately sealed off.
Cabinet member for culture, recreation and tourism, Councillor Robert Bevan, said: "The events will include a number of churches and chapels being open and some rare opportunities to see inside buildings that are not normally open to the public.
One of the many sites open this weekend is Newport Castle on the banks of the River Usk, the former home of ancestors of Henry VIII, which is not normally open to the public.
Mounted using a clip-in fixed mounting, the switch is available with either two normally open and two normally closed contacts with an optional auxiliary set of contacts, or four normally open or normally closed contacts with optional auxiliaries.
The switch is available with either two normally open and two normally closed contacts with an optional auxiliary set of contacts, or four normally open or normally closed contacts with optional auxiliaries.
Visitors will have free access to properties in St Helens which are either not normally open or would charge an entrance fee.