SIEMENS
Siemens 6ES7223-0BD30-0XB0 SIMATIC S7-1200 Digital I/O Module SB 1223, 24 V DC Original Brand New
6ES7223-0BD30-0XB0
Original price was: $138.08.$120.79Current price is: $120.79.
In stock
Special price
SIEMENS
Siemens 3SU1851-0NA00-2AC2 Metal Enclosure, 22mm, Emergency Stop Mushroom Pushbutton Original Brand New
Model / SKU3SU1851-0NA00-2AC2
The Siemens 3SU1851-0NA00-2AC2 is a robust metal enclosure for safety command devices, featuring a 40mm red EMERGENCY STOP mushroom pushbutton with rotate-to-unlatch and 1 NC screw terminal contact.
Original price was: $151.65.$69.40Current price is: $69.40.
Available on backorder
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
- Genuine Products
- Up to 1-Year Warranty
- Global Shipping
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Description
Overview
The Siemens 3SU1851-0NA00-2AC2 is a pre-assembled, single-point EMERGENCY STOP (E-Stop) command device enclosure designed for maximum safety and durability in industrial environments. Part of the SIRIUS ACT portfolio, this unit features a heavy-duty metal enclosure with a highly visible yellow top part and a protective collar to prevent accidental actuation. It houses a large 40 mm red mushroom pushbutton that utilizes a reliable rotate-to-unlatch mechanism, connecting via a secure 1 NC (Normally Closed) screw terminal for fail-safe operation. The robust design includes M20 cable entries on both the top and bottom for versatile floor or panel mounting.
Benefit
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Maximum Safety Compliance: Features a highly visible red/yellow E-Stop configuration and a protective collar, ensuring quick identification and adherence to critical safety standards.
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Industrial Durability: Constructed with a metal enclosure material, offering superior resistance to impact, chemicals, and harsh industrial conditions compared to plastic alternatives.
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Reliable Operation: The rotate-to-unlatch mechanism provides a clear, unmistakable action to reset the E-Stop, minimizing downtime and maintenance risk.
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Easy Installation: Pre-wired with screw terminals and offering dual M20 cable entries (top/bottom) simplifies floor or machine mounting and wiring.
Function / Features
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Enclosure type: 22 mm, round
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Material: Metal
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Top part: Yellow with protective collar
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Control points: 1 metal control point
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Pushbutton type: Emergency Stop, mushroom, red, 40 mm
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Mechanism: Rotate-to-unlatch
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Contacts: 1 NC
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Terminals: Screw-type
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Mounting: Floor mounting
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Cable entries: 1xM20 top, 1xM20 bottom
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Specifications
| SKU / Model | 3SU1851-0NA00-2AC2 |
|---|---|
| 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 |
| ● of supplied contact module at the command point A 1 | 3SU1400-2AA10-1CA0 |
| ● of the supplied holder | A = 3SU1550-0AA10-0AA0 |
| ● of the supplied holder at the command point A | 3SU1550-0AA10-0AA0 |
| ● of the supplied actuator | A = 3SU1050-1HB20-0AA0 |
| ● of the supplied actuator at the command point A | 3SU1050-1HB20-0AA0 |
| ● of supplied empty enclosure | 3SU1851-0AA00-0AC2 |
| 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 |
| ● 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 | 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 |
| product component front ring | No |
| design of the front ring | Standard |
| 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 |
| 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 | 0 |
| 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 | 0 |
| number of inscription plates | 0 |
| last modified: | 10/1/2021 |
| Weight | 0.712 kg |
| Dimensions | 98.00 × 102.00 × 134.00 mm |
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