steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
1 month ago
3SU1000-1HF20-0AA0
Siemens 3SU1000-1HF20-0AA0 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Siemens 3SU1000-1HF20-0AA0 is a SIRIUS ACT emergency stop mushroom pushbutton designed for 22 mm panel mounting. It features a red, round 40 mm plastic actuator with positive latching and a key-operated release using a RONIS lock (key number SB30), helping to prevent unintended reset. Built for demanding industrial environments, it offers high ingress protection (IP66, IP67 and IP69K) and is suitable for a wide range of panel applications where a robust, clearly visible emergency stop operator is required. The unit mounts in a round 22.3 mm cut-out and has a compact installation depth of 26.3 mm, with typical mechanical life of 300,000 switching cycles and an operating temperature range of -25 °C to +70 °C.
| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3SU1000-1HF20-0AA0 |
| Alternative Part Number | 3SU10001HF200AA0 |
| Product Range / Brand | SIRIUS ACT |
| Device Type | Emergency stop mushroom pushbutton actuator (command and signalling device) |
| Operating Mechanism | Emergency stop mushroom pushbutton, tamper-proof |
| Latching Function | Positive latching, latching operation |
| Unlocking Method | Key-operated release (lock release) |
| Lock Make | RONIS |
| Key Number | SB30 |
| Key Removal Position | O |
| Number of Switching Positions | 2 |
| Mounting Hole / Cut-out | 22.3 mm round mounting diameter (positive tolerance +0.4 mm) |
| Actuator Diameter | 40 mm mushroom head |
| Actuator Colour | Red |
| Actuator Material | Plastic |
| Front Ring | Not included |
| Number of Command Points | 1 |
| Illumination Option | Not illuminated (no light source) |
| Positive Opening | Yes |
| Environmental Protection (IP) | IP66, IP67, IP69 / IP69K |
| NEMA Rating | NEMA 1, 2, 3, 3R, 4, 4X, 12, 13 |
| Shock Resistance (IEC 60068-2-27) | Sinusoidal half-wave 50 g / 11 ms |
| Vibration Resistance (IEC 60068-2-6) | 10…500 Hz, 5 g |
| Maximum Operating Frequency | 600 operations/hour |
| Mechanical Service Life (Typical) | 300,000 switching cycles |
| Ambient Temperature (Operation) | -25…+70 °C |
| Ambient Temperature (Storage) | -40…+80 °C |
| Environmental Category (IEC 60721) | 3M6, 3S2, 3B2, 3C3, 3K6 (10…95% relative humidity) |
| Mounting Height | 67.1 mm |
| Installation Width | 40 mm |
| Installation Depth | 26.3 mm |
| Equipment Marking / Reference Code (IEC 81346-2) | S |
What type of emergency stop actuator is this?
It is a mushroom-head emergency stop pushbutton actuator with positive latching. Pressing the red, round 40 mm head latches it in the actuated position until it is deliberately released.
How is the button released after it has been pressed?
Release is key-operated via an integrated RONIS lock cylinder. The specified key number is SB30; a matching SB30 key is required to unlock and reset the button.
Is this a maintained (latching) or momentary pushbutton?
It is a maintained, latching design (positive latching). Once pressed, it stays latched until it is reset using the key-operated release.
What panel cut-out does it need for mounting?
It is designed for a standard round 22 mm operator cut-out. The mounting diameter is 22.3 mm (with a positive tolerance of 0.4 mm).
What are the key external dimensions to allow space behind the panel?
Key mounting dimensions are approximately: mounting height 67.1 mm, installation depth 26.3 mm, and installation width 40 mm. These are helpful for checking clearance in a control panel or enclosure.
Does this include the electrical contact blocks?
This item is the actuating/signalling element (actuator). Electrical switching is provided by separate contact module(s) and a holder as required by your build, so those are selected to suit the number/type of contacts needed.
Does it have positive opening (direct opening) for the contacts?
Yes. The actuator is designed for use with configurations that provide positive opening operation (direct opening action) as part of the emergency stop function.
What ingress protection does it offer once correctly installed?
It is rated to IP66, IP67 and IP69/IP69K when correctly installed with compatible system components, making it suitable for demanding environments where dust and water ingress resistance is required.
What NEMA enclosure ratings does it correspond to?
It corresponds to NEMA 1, 2, 3, 3R, 4, 4X, 12 and 13 (when properly installed as part of an appropriate operator assembly).
What temperature range is it suitable for?
Ambient temperature range is -25 to +70 °C during operation, and -40 to +80 °C during storage.
How durable is the mechanism in terms of switching cycles?
Typical mechanical service life is 300,000 switching cycles, with a maximum operating frequency of 600 operations per hour.
Is the mushroom head illuminated or can it take a light source?
No. This version does not have an optional light source for the actuator head.
- Emergency stop station on industrial control panels where a keyed reset is preferred to control who can restart equipment
- Machine guard and access-point stop device on production lines, helping ensure a deliberate, authorised release after activation
- Operator console emergency stop on packaging, labelling, and filling machines using a standard 22.3 mm mounting cut-out
- Emergency stop actuator for conveyor control boxes and line-side pushbutton enclosures in busy material-handling areas
- Panel-mounted emergency stop for automated cells (assembly, inspection, test benches) needing a robust, high-visibility 40 mm mushroom head
- Use on washdown-prone equipment and stainless control panels where high ingress protection is required (IP66/IP67/IP69K)
- Retrofit or replacement for damaged or worn 22 mm emergency stop actuators in SIRIUS ACT control schemes
- Integration into OEM machine builds where positive-opening operation and latching action are specified for emergency stop functions
- Key-release emergency stop point on shared equipment (training rigs, multi-shift workstations) to discourage unauthorised reset
- Mounting on compact operator stations where limited panel space benefits from a slim installation depth and standardised cut-out sizing
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
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Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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4 months ago
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