AC-3

SIRIUS 3RT Contactors & 3RU/3RB Overload Relays

3RT20 · 3RT10 · 3RU21 · 3RB30

Modular motor control components — contactors, overload relays and starter combinations up to 250 kW.

  • Sizes S00 to S12, 7 A – 500 A
  • Thermal and electronic overload relays
  • Screw and spring-type terminals
  • Complete starter combinations with 3RV circuit breakers

Genuine — original packaging, manufacturer warranty

Fast — stock items dispatched in 24–48 hrs

Supported — engineering help before and after sale

Key specifications

Rating
3 – 250 kW (AC-3)
Coil
24 V DC, 110 V AC, 230 V AC etc.
Auxiliaries
Snap-on blocks 1NO/1NC to 4 contacts

Specifications are indicative and vary by model. Share your exact part number for a confirmed quotation.

Typical applications

MCC panelsMachine controlDOL / star-delta starters

About Siemens

SIMATIC controllers and HMIs, SINAMICS drives and servo systems, SITOP power supplies and SCALANCE networking — the backbone of plants across India. We stock the fast-moving S7-1200, S7-1500, KTP panels, V20, G120C and V90 ranges.

All Siemens products

Related contactors, relays, ssr & soft starters

Let's talk

Need a quotation or technical help?

Send us a part number, a drawing or just a description of the problem. Our engineers will respond with the right product, price and lead time.