Description
Introduction
The Schischek ExMax-5.10 is an explosion-proof actuator that combines power and precision in a compact design. With an adjustable torque of 5 or 10 Nm and various run-time options, this model is highly versatile for HVAC applications within ATEX zones. Thanks to its robust construction, wide supply voltage range, and IP66 protection, this actuator delivers reliable performance even under demanding conditions.
This makes the ExMax-5.10 a versatile choice for industrial installations, pharmaceutical applications, and offshore environments.
Features
- Explosion-proof and ATEX-certified for zones 1, 2, 21 and 22
- Torque: adjustable 5 or 10 Nm
- Motor running time: 7.5 / 15 / 30 / 60 / 120 s per 90°
- Compact design: dimensions 210 × 95 × 80 mm, weight ~3.5 kg
- Robust aluminum housing, optionally stainless steel or with seawater-resistant coating
- Protection class IP66 for maximum protection in harsh industrial environments
- Brushless DC motor for long service life and maintenance-free operation
- 95° rotation angle including 5° pre-tension
- Integrated heating for reliable operation down to −40 °C
Technical specifications
| Type | ExMax-5.10 |
| Torque | 5 / 10 Nm adjustable |
| Power supply | 24…240 VAC/DC ±10 %, 50/60 Hz |
| Control | On-off |
| Motor running time | 7.5 / 15 / 30 / 60 / 120 s per 90° |
| Spring return | N/A (only for F and BF variants) |
| Rotation angle | 95° incl. 5° pre-tension |
| Protection class | IP66 |
| Housing | Aluminum, optionally stainless steel |
| Weight | ~3.5 kg (aluminum version) |
| Temperature range | −40…+40 °C (T6), −40…+50 °C (T5) |
| Shaft connection | Double square 12 × 12 mm |
| Additional functions | Self-locking, automatic self-adjustment, brushless DC motor |
Available variants
| Article name | Description |
|---|---|
| ExMax-5.10 | Explosion-proof actuator 5/10 Nm, 24…240 VAC/DC, on-off control |
| ExMax-15.30 | Explosion-proof actuator 15/30 Nm, 24…240 VAC/DC, on-off control |
| ExMax-50.75 | Explosion-proof actuator 50/75 N·m, 24…240 VAC/DC, on-off control |
| ExMax-100 | Explosion-proof actuator 100 N·m, 24…240 VAC/DC, on-off control |
| ExMax-150 | Explosion-proof actuator 150 N·m, 24…240 VAC/DC, on-off control |
FAQ
What makes the ExMax-5.10 so versatile?
The actuator combines adjustable torque and various motor running times, making it suitable for a wide range of applications.
Can I adjust the direction of rotation?
Yes, by mounting it on the left or right, the direction of rotation can be easily configured.
Is the ExMax-5.10 maintenance-free?
Yes, thanks to the brushless DC motor and robust construction, this actuator is completely maintenance-free.
Which versions are available?
In addition to the standard ExMax-5.10, there are variants with spring return (F and BF series) and modulating control (S, Y and CY series).
Can this actuator be used in cold environments?
Yes, the integrated heating ensures reliable operation down to −40 °C.
Available actuators in the ExMax-S series | 5-30 Nm
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? Then please contact betec controls. We will be happy to assist you by phone, email, or the chat function.