Description
Introduction
With the Schischek InMax-8-SF1 | 6 Nm spring-return actuator ~1 s, IP67, you choose an industrial InMax actuator with IP67, universal 24…240 VAC/DC power supply, and flexible control. This increases safety and continuity in any space, while also benefiting from easy integration and reliable performance.
Features
- IP67 enclosure; therefore suitable for demanding environments
- Universal 24…240 VAC/DC power supply
- Among others, 3-point, on/off, or modulating 0–10 V / 4–20 mA
- Available with spring-return (~3 s or ~20 s) depending on version
- Ex-safe circuit and tripping (depending on version)
Technical specifications
| Supply voltage | 24…240 VAC/DC (self-adjusting) |
| Control | On/off, 3-point, or 0–10 V / 4–20 mA (per version) |
| Protection class | IP67 |
| Rotation angle | 95° incl. ~5° pre-tension |
| Safety | Ex-safe circuit / tripping (depending on version) |
| Spring-return | ~1 s |
| Temperature range | -20…+50 °C (series M; per type) |
| Housing | Aluminum (CTM) or stainless steel (VAM) options |
| Mounting | Direct coupling double square 16×16 mm / 12×12 mm (S) |
FAQ
What does the Ex-safe circuit do?
It means the actuator switches off safely in the event of faults; this minimizes risks.
Which control do I need?
Compared with on/off, modulating control (0–10 V/4–20 mA) is more precise.
When should I choose spring-return?
In the event of a power failure, the valve automatically returns to a safe position; this increases operational reliability.
Will this fit into my system?
Yes, and it also connects to common HVAC and process control systems.
Do you have any questions or would you like more information? Please contact us! You can do so by phone, email, or, if you prefer, via the chat function.
Available actuators in the InMax-S series | 5-30 Nm
InMax-M | without spring-return | 5…30 Nm | for installation in a safe area
| Type | Torque | Spring-return | Control | Data sheet | Additional info | EU conformity |
| InMax-5.10 | 5/10 Nm | – | Open-close, 3-point |  | | |
| InMax-15.30 | 15/30 Nm | – | Open-close, 3-point | | | |
| InMax-5.10-S | 5/10 Nm | – | Open-close, 3-point +S | | | |
| InMax-15.30-S | 15/30 Nm | – | Open-close, 3-point+S | | | |
| InMax-5.10-Y | 5/10 Nm | – | 3-point, 0…10V, 4…20mA | | | |
| InMax-15.30-Y | 15/30 Nm | – | 3-point, 0…10V, 4…20mA | | | |
InMax-S | with spring-return | 5…15 Nm | for installation in a safe area
| Type | Torque | Spring-return | Control | Data sheet | Additional info | EU conformity |
| InMax-5.10-F | 5/10 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point | | | |
| InMax-15-F | 15 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point | | | |
| InMax-5.10-SF | 5/10 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point +S | | | |
| InMax-15-SF | 15 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point +S | | | |
| InMax-5.10-YF | 5/10 Nm | approx. 3 or 10 sec. / 90° | 3-point, 0…10V, 4…20mA | | | |
| InMax-5.10-BF | 5/10 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point | | | |
| InMax-15-BF | 15 Nm | approx. 3 or 10 sec. / 90° | Open-close, 3-point | | | |
| InMax-8-F1 | 6 Nm | approx. 1 sec. / 90° | Open-close | | | |
| InMax-15-F1 | 12 Nm | approx. 1 sec. / 90° | Open-close | | | |
| InMax-8-SF1 | 6 Nm | approx. 1 sec. / 90° | Open-close +S | | | |
| InMax-15-SF1 | 12 Nm | approx. 1 sec. / 90° | Open-close | | | |
| InMax-8-BF1 | 6 Nm | approx. 1 sec. / 90° | Open-close | | | |
| InMax-15-BF1 | 12 Nm | approx. 1 sec. / 90° | Open-close | | | |
Scope of delivery – InMax (size S or M)
1 × actuator with 1 m cable 1 × Allen key for manual override 4 × screws for mounting Special models – InMax -…- BF (size S or M) Actuators for fire dampers (InMax -…- BF) + safety temperature switch InPro-TT- ..
Special models in stainless steel
– InMax -…- VAS / VAM (size S or M) Corrosion-resistant housing material in stainless steel comparable to AISI 316, some parts nickel-plated, screws in stainless steel Use in extreme weather or harsh climatic conditions Painted special models (coated)
– InMax -…- CTS / CTM (size S or M) Aluminum housing with seawater-resistant offshore / marine coating, resistant to corrosive and marine atmospheres, some parts nickel-plated, screws in stainless steel Suitable for offshore or onshore applications
Accessories / options – InMax (size S or M)
- External adjustable, field-adjustable switches
- Mounting clamp for round valve shaft (only for InMax size S)
- Ex-e junction box
- Adaptations for butterfly or ball valves
- Mounting bracket
- Cable glands in nickel-plated brass
- Protective cover in stainless steel for mounting on InMax actuators
- ExPolar heating system for use with InMax actuators at low temperatures down to -50°C