Industry-standard ISO mini relays are common and affordable. A 12-volt, NO/NC, SPDT version like this one (Hella PN 007794301, $6.38 at Summit) can control both normally open and normally closed ...

An ISO relay is one which adheres to a standard pattern for its electrical terminals that has been spelled out by the International Standards Organization. Generally speaking, ...

The vendor offers a complete range of 25 Control Units (also called “Safety Relays”) that are certified according to the new Machine Directive EN ISO 13849-1, to take effect in Europe on Dec. 30, 2009 ...

Semtech Releases New Neo-Iso™ Solid State Relay for Fire Alarms and Safety Systems. Offers engineers an enhanced alternative to mechanical relays and opto-MOS. Download. Full ...