Siemens SIRIUS side-mounted auxiliary contact block
3RH2921-1DA11
SIRIUS side-mounted auxiliary contact block, 1 NO + 1 NC, screw terminals. For compatible S0 motor contactors.
- Application
- Contactors
- Accessory type
- Side auxiliary block
- Option
- S0 · 1 NO + 1 NC
Product specification
3RH2921-1DA11
SIRIUS side-mounted auxiliary contact block, 1 NO + 1 NC, screw terminals. For compatible S0 motor contactors.
Dimensions & specifications
Accessories are matched to individual parts. A shared manufacturer or frame size alone does not establish compatibility.
Accessories & related parts
3RH2921-1DA11 — specifications & documents
SIRIUS side-mounted auxiliary contact block, 1 NO + 1 NC, screw terminals. For compatible S0 motor contactors.
| Accessory type | Side auxiliary block |
|---|---|
| Contact arrangement | 1 NO + 1 NC |
| Mounting | Side |
| Connection | Screw terminals |
| Frame size in this range | S0 |
Fits these parts
- 3RT2026-1BB40 SIRIUS S0 power contactor, 11 kW at 400 V, 25 A AC-3 / AC-3e, 3 pole. 24 V DC coil, 1 NO + 1 NC, screw terminals.
- 3RT2026-1AC20 SIRIUS S0 power contactor, 11 kW at 400 V, 25 A AC-3 / AC-3e, 3 pole. 24 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2026-1AG20 SIRIUS S0 power contactor, 11 kW at 400 V, 25 A AC-3 / AC-3e, 3 pole. 110 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2026-1AL20 SIRIUS S0 power contactor, 11 kW at 400 V, 25 A AC-3 / AC-3e, 3 pole. 230 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2027-1BB40 SIRIUS S0 power contactor, 15 kW at 400 V, 32 A AC-3 / AC-3e, 3 pole. 24 V DC coil, 1 NO + 1 NC, screw terminals.
- 3RT2027-1AC20 SIRIUS S0 power contactor, 15 kW at 400 V, 32 A AC-3 / AC-3e, 3 pole. 24 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2027-1AG20 SIRIUS S0 power contactor, 15 kW at 400 V, 32 A AC-3 / AC-3e, 3 pole. 110 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2027-1AL20 SIRIUS S0 power contactor, 15 kW at 400 V, 32 A AC-3 / AC-3e, 3 pole. 230 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2028-1BB40 SIRIUS S0 power contactor, 18.5 kW at 400 V, 38 A AC-3 / AC-3e, 3 pole. 24 V DC coil, 1 NO + 1 NC, screw terminals.
- 3RT2028-1AC20 SIRIUS S0 power contactor, 18.5 kW at 400 V, 38 A AC-3 / AC-3e, 3 pole. 24 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2028-1AG20 SIRIUS S0 power contactor, 18.5 kW at 400 V, 38 A AC-3 / AC-3e, 3 pole. 110 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.
- 3RT2028-1AL20 SIRIUS S0 power contactor, 18.5 kW at 400 V, 38 A AC-3 / AC-3e, 3 pole. 230 V AC, 50/60 Hz coil, 1 NO + 1 NC, screw terminals.