Description
ExMax-5.10-S Actuator | Explosion-Proof | 5–10 Nm | ATEX Zone 1, 2, 21, 22
The ExMax-5.10-S is a compact, explosion-proof electric actuator with a 90° rotary stroke, designed for applications in demanding and potentially explosive environments. With a rated torque of 5 to 10 Nm, this robust actuator delivers reliable performance for the precise operation of valves and other rotary components in ATEX zones 1, 2, 21 and 22.
Thanks to its rugged housing with IP66 protection rating, the ExMax-5.10-S is fully resistant to dust and water jets. This makes it ideally suited for both indoor and outdoor installations, even under harsh industrial conditions.
This version is optimized for open-close applications and is equipped with 3-point control. The ExMax-5.10-S is an ideal choice for applications where safety, durability, and precision go hand in hand – without compromise.
Key Features
- Explosion-proof actuator for industrial applications
- Rotary motion: 90°
- Torque: 5–10 Nm
- ATEX certified: Suitable for zones 1, 2 (gas) and 21, 22 (dust)
- Control: Open-close, 3-point
- Housing: IP66 – fully dustproof and waterproof
- Compact dimensions – easy integration
- Safe and reliable – developed for critical processes
Technical Specifications
| Type | ExMax-5.10-S |
| Rated torque | 5–10 Nm |
| Stroke | 90° |
| Control | Open-close, 3-point |
| ATEX zones | 1, 2, 21, 22 |
| Protection rating | IP66 |
| Application | Explosion-hazardous environments |
| Housing | Aluminum, coating for industrial environments |
FAQ
Is this actuator suitable for outdoor use?
Yes, the ExMax-5.10-S has an IP66 protection rating and is therefore fully resistant to dust and water jets.
Can this actuator also be used in dust-laden environments?
Absolutely! The ExMax-5.10-S is certified for ATEX zones 21 and 22, which means it is suitable for environments with explosion hazards due to dust.
What is the difference compared with the BF versions?
The BF versions typically offer more control types, such as modulating, and/or spring return. The S version is specifically open-close with 3-point control.
What voltage is required?
This actuator is available in various voltage options. Please consult the datasheet or contact us for the correct version.
Are accessories available?
Yes, such as limit switches, heating modules, or adaptations for specific valve interfaces.
ExMax-S | without spring return | 5…30 Nm | suitable for use in Zone 1, 2, 21, 22
| Type | Torque | Spring return | Control | Datasheet | Additional info | Certificate | Declaration of Conformity |
| ExMax-5.10 | 5/10 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-15.30 | 15/30 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-5.10-S | 5/10 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-15.30-S | 15/30 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-5.10-Y | 5/10 Nm | – | 0-10VDC, 4-20 mA |  |  |  |  |
| ExMax-15.30-Y | 15/30 Nm | – | 0-10VDC, 4-20 mA |  |  |  |  |
| ExMax-5.10-R | 5/10 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-15.30-R | 15/30 Nm | – | Open-close, 3-point |  |  |  |  |
| ExMax-5.10-CY | 5/10 Nm | – | 4-20 mA |  |  |  |  |
| ExMax-15.30-CY | 15/30 Nm | – | 4-20 mA |  |  |  |  |
ExMax-S | with spring return | 5…15 Nm | suitable for use in Zone 1, 2, 21, 22
| Type | Torque | Spring return | Control | Datasheet | Additional info | Certificate | Declaration of Conformity |
| ExMax-5.10-F | 5/10 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-15-F | 15 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-5.10-SF | 5/10 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-15-SF | 15 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-5.10-YF | 5/10 Nm | 3/10 sec. / 90° | 0-10VDC, 4-20 mA |  |  |  |  |
| ExMax-15-YF | 15 Nm | 3/10 sec. / 90° | 0-10VDC, 4-20 mA |  |  |  |  |
| ExMax-5.10-BF | 5/10 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-15-BF | 15 Nm | 3/10 sec. / 90° | Open-close, 3-point |  |  |  |  |
| ExMax-8-F1 | 8 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-15-F1 | 15 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-8-SF1 | 8 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-15-SF1 | 15 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-8-BF1 | 8 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-15-BF1 | 15 Nm | ~ 1 sec. / 90° | Open-close |  |  |  |  |
| ExMax-5.10-CYF | 5/10 Nm | 10 sec. / 90° | 4-20 mA |  |  |  |  |
| ExMax-15-CYF | 15 Nm | 10 sec. / 90° | 4-20 mA |  |  |  |  |
ExMax-S Accessories
| Type | Description | Datasheet | Additional info | Declaration of Conformity |
|---|
| ExSwitch | 2 external Ex auxiliary switches |  |  |  |
|---|
| ExBox | Ex-e terminal box |  |  |  |
|---|
| ExBox-..-VA | Stainless steel housing | – | – |  |
|---|
| ExPro-TT-.. | Safety temperature trigger for ExMax -…- BF actuators |  |  |  |
|---|
| HV-.. | Manual override |  | – | – |
|---|
Do you have any questions or would you like more information? Please contact us! You can reach us by phone, email, or through the chat function.
Brand
Schischek Rotork Explosion Protection
Since 1987 Betec Controls has been the supplier of Schischek explosion-proof products.Schischek Explosion Protection states that explosion protection is not a matter of statistics or half-measures, but that 100% safety must be guaranteed at all times. Explosion protection means taking responsibility. There is no such thing as "small Ex protection"!
Customers trust us as Ex protection specialists and they trust you as consultant, installer and contractor.All Schischek Ex products are therefore certified, approved and manufactured in accordance with the latest standards and regulations. For which types and kinds of protection are our products suitable? For use in Ex areas, zones 0, 1, 2, 20, 21 and 22, including gases, vapors, mists and dust — of course in accordance with the ATEX directives.Schischek in Langenzenn, Germany, has been the company trusted by organisations around the world since 1975 to supply explosion-proof valve actuators, sensors and controllers for their safety-critical explosion-proof HVAC requirements.These products are used worldwide in thousands of facilities: technical buildings, factories, the chemical, pharmaceutical and petrochemical industries, compressor stations and offshore platforms, and oil and gas pipelines.A few years ago Schischek was acquired by Rotork and the name was changed to Schischek Rotork.Producing Ex equipment requires care and often involves a great deal of manual work. As a result, lead times can be (much) longer than you are used to. Nevertheless, we often keep a number of products in stock.Below you can view or download the product range overviews and information about specific products as PDFs. If you have any questions, call us at (055) 20 325 30 — we will be happy to help!