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IEC Symbols
Former Community Member
Looking for help identifying these electrical symbols. Some are light and some are dark. What does that mean? Are they light and dark operated photo eyes? IEC Symbol.jpeg
2/91 looks to be an off delay timer relay. 2/92 I would consider it is likely to be an on delay timer relay, but these normally have an X across the left hand segment. Some on delay relays don't need the third trigger wire, some do.
2/91 looks to be an off delay timer relay. 2/92 I would consider it is likely to be an on delay timer relay, but these normally have an X across the left hand segment. Some on delay relays don't need the third trigger wire, some do.
