Siemens SIRIUS auxiliary contactor, 3RH1122-2JF40-0LA0, Size S00, 110 V DC coil, 2 NO + 2 NC contacts, screw and snap-on mounting, IP20 front.
| Parameter | Value |
|---|---|
| Contactor frame size | S00 |
| Parameter | Value |
|---|---|
| Rated operational current, AC-12, max. | 10 A |
| Rated value @ 400 V | 3 A |
| Rated value @ 500 V | 2 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 6 A |
| Rated value @ 24 V | 10 A |
| Rated value @ 110 V | 1 A |
| Rated value @ 220 V | 0.27 A |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| Parameter | Value |
|---|---|
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Parameter | Value |
|---|---|
| Conductor cross-section, solid | 2x (0.25 ... 2.5 mm²) |
| Conductor cross-section, finely stranded w/ ferrule | 2x (0.25 ... 1.5 mm²) |
| Mounting method | screw and snap-on mounting |
| Parameter | Value |
|---|---|
| Durability (operating cycles, typ.) | 30 000 000 |
| Durability with aux. switch block (cycles, typ.) | 10 000 000 |
| Parameter | Value |
|---|---|
| Operating temperature range | -40 ... +70 °C |
| Storage temperature range | -55 ... +80 °C |
| Installation altitude, max. | 2 000 m |
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 60 mm |
| Depth | 73 mm |
It carries 2 normally-open and 2 normally-closed instantaneous contacts. The coil draws 11 W closing power and holds at 4 W. Rated thermal current (Ith) is 10 A at 24 V. For DC loads at 110 V, the rated operational current is 1 A.
Dimensions are 45 mm wide, 60 mm high, 73 mm deep — fits standard S00 panel cutouts. Shock resistance is rated at 10g for 5 ms and 5g for 10 ms.
The coil is rated 110 V DC. Closing power is 11 W, holding power is 4 W.
Screw and snap-on mounting to DIN rail. Mounting position allows ±180° rotation on a vertical surface and ±22.5° tilt forward/backward.
RoHS compliance date is July 1, 2006. The part carries IP20 front protection and pollution degree 3 rating.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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