Standards

IEC/EN 60947‑1,
IEC/EN 60947‑4‑1,
IEC/EN 60947‑5‑1 (auxiliary switches)

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" в†’ "for SIRIUS 3RT2 Contactors and SIRIUS 3RH2 Auxiliary Switches".

Size S0 to S3 contactors have two auxiliary contacts 1 NO and 1 NC integrated in the basic version.

Mountable auxiliary contacts

Sizes S00 to S3

Four additional auxiliary contacts, including no more than two NC contacts

For a general description of sizes S00 to S3 of 3RT2 contactors, see "Power contactors for switching motors" в†’ "SIRIUS 3RT contactors, 3-pole up to 250 kW".