- Part number
- 3SU1851-0NA00-2AC2
- Model no
- 3SU1
Description
About the 3SU1
About the 3SU1
The Siemens 3SU1851-0NA00-2AC2 is a pilot device from the SENTRON/SIRIUS 3SU1 series. Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, with protective collar, 1 control point metal, A=EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch, 1 NC, screw terminal, floor mounting, 1xM20 each on top and bottom. Supplied by Stoklink for industrial and commercial low-voltage applications.
Applications & Use Cases
The Siemens 3SU1851-0NA00-2AC2 is used in industrial control panels, distribution boards and automation systems. As part of the Siemens 3SU1 range it integrates with compatible SENTRON/SIRIUS components for a coordinated low-voltage installation. Genuine Siemens product supplied by Stoklink with fast dispatch from Türkiye.
Specification
Full specification
General 8
| product brand name | SIRIUS ACT |
|---|---|
| product designation | Enclosures |
| product type designation | 3SU1 |
| equipment of commanding and signaling device | A = EMERGENCY STOP mushroom pushbutton, 40 mm, with positive latching acc. to ISO 13850 and rotate-to-unlatch mechanism |
| manufacturer's article number: of supplied contact module at the command point A 1 | 3SU1400-2AA10-1CA0 |
| manufacturer's article number: of the supplied holder at the command point A | 3SU1550-0AA10-0AA0 |
| manufacturer's article number: of the supplied actuator at the command point A | 3SU1050-1HB20-0AA0 |
| manufacturer's article number: of supplied empty enclosure | 3SU1851-0AA00-0AC2 |
Enclosure 10
| design of the housing | with protective collar |
|---|---|
| shape of the enclosure front | Square |
| material of the enclosure | metal |
| number of command points | 1 |
| product component: EMERGENCY STOP device | Yes |
| product component: protective collar | No |
| color of the enclosure top part | yellow |
| delivery state: as a kit | No |
| delivery state: pre-wired on strip terminal | No |
| fastening method of the enclosure | Vertical |
Actuator 9
| design of the actuating element | EMERGENCY STOP mushroom pushbutton |
|---|---|
| suitability for use EMERGENCY OFF switch | Yes |
| product feature lockout | No |
| product extension optional light source | No |
| color of the actuating element | red |
| material of the actuating element | plastic |
| shape of the actuating element | round |
| number of contact modules | 1 |
| type of unlocking device | A = rotate-to-unlatch mechanism |
Show all 93 specifications ↓ Show less ↑66 more values in Identification, Front ring, Holder, Display, General technical data, Communication/ Protocol, Auxiliary circuit, Connections/ Terminals, Safety related data, ISO 13849, IEC 61508, Ambient conditions, Installation/ mounting/ dimensions, Accessories, Approvals Certificates, Logistics.
Identification 10
| Part number | 3SU1851-0NA00-2AC2 |
|---|---|
| Type designation | 3SU1 |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 4011209969278 |
| ETIM class | EC000225 |
| eCl@ss | 27371216 |
Front ring 2
| product component front ring | No |
|---|---|
| design of the front ring | Standard |
Holder 1
| material of the holder | Plastic |
|---|
Display 1
| number of LED modules | 0 |
|---|
General technical data 15
| product function: positive opening | Yes |
|---|---|
| product function: EMERGENCY OFF function | Yes |
| product function: EMERGENCY STOP function | Yes |
| protection class IP | IP66, IP67, IP69(IP69K) |
| degree of protection NEMA rating | 1, 2, 3, 3R, 4, 4X, 12, 13 |
| shock resistance: according to IEC 60068-2-27 | sinusoidal half-wave 15 g / 11 ms |
| vibration resistance: according to IEC 60068-2-6 | 10 ... 500 Hz: 5 g |
| reference code according to IEC 81346-2 | S |
| continuous current of the C characteristic MCB | 10 A; for a short-circuit current smaller than 400 A |
| continuous current of the quick DIAZED fuse link | 10 A |
| continuous current of the DIAZED fuse link gG | 10 A |
| Substance Prohibitance (day/month/year) | 10/01/2014 |
| at AC: at 50 Hz rated value | 5 ... 500 V |
| at AC: at 60 Hz rated value | 5 ... 500 V |
| at AC: at DC rated value | 5 ... 500 V |
Communication/ Protocol 1
| design of the interface for communication | without |
|---|
Auxiliary circuit 3
| design of the contact of auxiliary contacts | Silver alloy |
|---|---|
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 0 |
Connections/ Terminals 5
| type of electrical connection of modules and accessories | Screw-type terminal |
|---|---|
| type of electrical connection on enclosure | Cable routing above and below, both 1 x M20 |
| tightening torque of the screws in the bracket | 1 ... 1.2 N·m |
| tightening torque of fixing screws in the enclosure cover | 1.5 ... 1.7 N·m |
| tightening torque with screw-type terminals | 0.8 ... 0.9 N·m |
ISO 13849 1
| device type according to ISO 13849-1 | 3 |
|---|
IEC 61508 2
| safety device type according to IEC 61508-2 | Type A |
|---|---|
| T1 value for proof test interval or service life according to IEC 61508 | 20 a |
Ambient conditions 4
| ambient temperature: during operation | -25 ... +70 °C |
|---|---|
| ambient temperature: during storage | -40 ... +80 °C |
| environmental category during operation according to IEC | 3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 ... 95%, no |
| 60721 | condensation in operation permitted for all devices behind front panel) |
Installation/ mounting/ dimensions 5
| fastening method of modules and accessories | Floor mounting |
|---|---|
| height | 89.4 mm |
| width | 85 mm |
| depth | 112.5 mm |
| shape of the installation opening | round |
Accessories 2
| number of labels | 0 |
|---|---|
| number of inscription plates | 0 |
Approvals Certificates 1
| Environmental Product Declaration: global warming potential [CO2 eq] / during manufacturing | 0.625 kg |
|---|
Logistics 7
| Net weight | 0.635 kg |
|---|---|
| Package dimensions | 102 × 98 × 134 mm |
| Country of origin | DE |
| Shipping weight | 1.135 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | In stock |
Source: manufacturer data · Last verified: 30 Oct 2026
Documents
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Quick answers
Questions about the 3SU1
Which supply voltage is 3SU1 rated for?
The rated operational voltage of 3SU1 is 5500 V AC.
What is the EAN of 3SU1?
The EAN (GTIN) of 3SU1 is 4011209969278.
Where does 3SU1 ship from, and how fast?
3SU1 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
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Series
Siemens 3SU1
- Brand
- Siemens
- Series
- 3SU1