Standards

IEC 60947-1, EN 60947-1,
IEC 60947-4-1, EN 60947-4-1,
IEC 60947-5-1, EN 60947-5-1 (auxiliary switch)

The contactors are suitable for use in any climate. They are finger-safe according to IEC 60529.

The accessories for the 3-pole 3RT2 contactors can also be used for the 4-pole versions. See "Accessories and Spare Parts" > "for SIRIUS 3RT2 Contactors and SIRIUS 3RH2 Auxiliary Switches".

Size S0 and S2 contactors have two auxiliary contacts 1 NO and 1 NC integrated in the basic version.

Mountable auxiliary contacts

Sizes S00 to Ss2

Four additional auxiliary contacts, including no more than three NC

For a general description of sizes S00 to S2 of 3RT2 contactors, see "Power contactors for switching motors" > "SIRIUS 3RT contactors, 3-pole up to 250 kW".