Siemens SIRIUS S2 power contactor
3RT2036-1NB30
SIRIUS S2 power contactor, 22 kW at 400 V, 51 A AC-3 / AC-3e, 3 pole. 20–33 V AC/DC (includes 24 V DC) coil, 1 NO + 1 NC, screw terminals.
- Motor rating
- 22 kW
- Coil
- 24 V DC

Product specification
3RT2036-1NB30
SIRIUS S2 power contactor, 22 kW at 400 V, 51 A AC-3 / AC-3e, 3 pole. 20–33 V AC/DC (includes 24 V DC) coil, 1 NO + 1 NC, screw terminals.
Dimensions & specifications
Motor ratings shown are for 400 V AC-3 / AC-3e. Select against the motor nameplate current; coil supply is a separate choice.
Accessories & related parts
3RT2036-1NB30 — specifications & documents
SIRIUS S2 power contactor, 22 kW at 400 V, 51 A AC-3 / AC-3e, 3 pole. 20–33 V AC/DC (includes 24 V DC) coil, 1 NO + 1 NC, screw terminals.
| Motor rating at 400 V | 22 kW |
|---|---|
| Rated current (AC-3 / AC-3e) | 51 A |
| Coil voltage | 20–33 V AC/DC (includes 24 V DC) |
| Poles | 3 |
| Supplied auxiliary contacts | 1 NO + 1 NC |
| Size | S2 |
| Connection | Screw terminals |
| Coil suppression | Integrated varistor |
| Manufacturer | Siemens |
Related parts
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- 3RH2911-1HA22 SIRIUS front-mounted auxiliary contact block, 2 NO + 2 NC, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA01 SIRIUS front-mounted auxiliary contact block, 1 NC, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA02 SIRIUS front-mounted auxiliary contact block, 2 NC, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA10 SIRIUS front-mounted auxiliary contact block, 1 NO, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA20 SIRIUS front-mounted auxiliary contact block, 2 NO, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA13 SIRIUS front-mounted auxiliary contact block, 1 NO + 3 NC, screw terminals. For compatible 3RT2 contactors.
- 3RH2911-1HA31 SIRIUS front-mounted auxiliary contact block, 3 NO + 1 NC, screw terminals. For compatible 3RT2 contactors.
- 3RT2936-4EA2 SIRIUS terminal cover for S2 3-pole contactors with screw/box terminals. Two covers required per contactor.
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- 3RU2136-1KB0 SIRIUS 3RU2 thermal overload relay, 9–12.5 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4AB0 SIRIUS 3RU2 thermal overload relay, 11–16 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4BB0 SIRIUS 3RU2 thermal overload relay, 14–20 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4DB0 SIRIUS 3RU2 thermal overload relay, 18–25 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4EB0 SIRIUS 3RU2 thermal overload relay, 22–32 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4FB0 SIRIUS 3RU2 thermal overload relay, 28–40 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4GB0 SIRIUS 3RU2 thermal overload relay, 36–45 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4HB0 SIRIUS 3RU2 thermal overload relay, 40–50 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4QB0 SIRIUS 3RU2 thermal overload relay, 47–57 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
- 3RU2136-4JB0 SIRIUS 3RU2 thermal overload relay, 54–65 A, size S2, CLASS 10, screw terminals. Direct mounting to matching 3RT203 contactor; separate mounting support available.
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