Siemens 3SU1851-2NG00-2AA2 Metal Enclosure, 22mm, Round Emergency Stop Pushbutton Original Brand New
$156.53
Metal enclosure for 22mm command devices featuring a red emergency stop palm pushbutton with positive latching, pull-to-unlatch mechanism, NC & NO contacts, screw terminals, and floor-mount design.
Availability: In stock
Overview
The Siemens 3SU1851-2NG00-2AA2 is a high-quality metal enclosure designed for 22mm command devices. Its durable construction and floor-mount design make it ideal for industrial environments requiring reliable emergency stop functions. The enclosure features a centrally located emergency stop palm pushbutton, red, with positive latching and a pull-to-unlatch mechanism, ensuring maximum safety and quick accessibility.
Key Benefit
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Enhanced Safety: Emergency stop palm pushbutton ensures immediate shutdown of machinery during emergencies.
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Durable Construction: Metal enclosure with yellow top part provides robust protection against industrial wear and tear.
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Reliable Functionality: Positive latching mechanism with pull-to-unlatch ensures secure and reliable operation.
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Flexible Installation: Screw terminal connections and floor-mount design allow easy setup in various industrial environments.
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Dual Contact Points: Includes 1 normally closed (NC) and 1 normally open (NO) contact for versatile control applications.
Function
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Houses and protects 22mm command devices.
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Provides a visible and accessible emergency stop control point.
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Supports industrial safety standards with secure latching and easy reset.
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Simplifies wiring with screw terminal connections.
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| Weight | 0.655 kg |
|---|---|
| Dimensions | 103.00 × 117.00 × 129.00 mm |
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | Enclosures |
| product type designation | 3SU1 |
| manufacturer's article number | – |
| ● of supplied contact module | A1 = 3SU1400-2AA10-1CA0, A2 = 3SU1400-2AA10-1BA0 |
| ● of supplied contact module at the command point A 1 | 3SU1400-2AA10-1CA0 |
| ● of supplied contact module at the command point A 2 | 3SU1400-2AA10-1BA0 |
| design of the housing | Command point in center |
| shape of the enclosure front | Square |
| material of the enclosure | metal |
| number of command points | 1 |
| product component | – |
| ● EMERGENCY STOP device | Yes |
| ● protective collar | No |
| color of the enclosure top part | yellow |
| delivery state | – |
| ● as a kit | No |
| ● pre-wired on strip terminal | No |
| fastening method of the enclosure | Vertical |
| design of the actuating element | Palm switch |
| 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 | 2 |
| type of unlocking device | A = pull-to-unlatch mechanism |
| product component front ring | No |
| design of the front ring | Standard |
| material of the front ring | Metal, high gloss |
| color of the front ring | silver |
| material of the holder | Plastic |
| number of LED modules | 0 |
| product function | – |
| ● positive opening | Yes |
| ● EMERGENCY OFF function | Yes |
| ● 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 | – |
| ● acc. to IEC 60068-2-27 | Sinusoidal half-wave 50g / 11 ms |
| vibration resistance | – |
| ● acc. to IEC 60068-2-6 | 10 … 500 Hz: 5g |
| ● for railway applications acc. to DIN EN 61373 | Category 1, Class B |
| reference code acc. 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 |
| operating voltage | – |
| ● at AC | – |
| — at 50 Hz rated value | 5 … 500 V |
| — at 60 Hz rated value | 5 … 500 V |
| ● at DC rated value | 5 … 500 V |
| design of the interface for communication | without |
| design of the contact of auxiliary contacts | Silver alloy |
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 1 |
| 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 |
| ambient temperature | – |
| ● during operation | -25 … +70 °C |
| ● during storage | -40 … +80 °C |
| environmental category during operation acc. to IEC 60721 | 3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 … 95 %, no condensation in operation permitted for all devices behind front panel) |
| fastening method of modules and accessories | Floor mounting |
| shape of the installation opening | round |
| number of labels | 1 |
| marking of the name plate for command devices | A = I |
| color of the label | A = black |
| number of inscription plates | 0 |
| Test Certificates | Marine / Shipping |
| last modified: | 10/1/2021 |
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