NENUTEC NAFA Series User manual

NAFA – SPRING RETURN DAMPER ACTUATOR
3 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
The appearance of the product may differ from the illustration. Technical specifications are subject to change.
NAFA...03 (S) SERIES
NAFA series Spring Return actuators are developed for general air
damper application, rotary valve and other devices which require a fail-
safe function. During normal operation, the actuator motorized the
device. In the event of power outage, the actuator springs back to its
original position.
■ Torque: 3 Nm
■ Damper size 0.6 m2
■ Power supply 24 VAC/DC and 230 VAC
■ 2-point control
■ Shaft dimensions – Ø 10...16 mm / square 7...11 mm
■ Minimum shaft length 40 mm
■ Adjustable angle of rotation
■ Direction of rotation selectable by reversing actuator during
installation
■ Actuator with 1 m connection cable
■ Optional 1 fixed and 1 adjustable SPDT auxiliary switches
MODEL SELECTION TABLE
Model/type Torque Power supply Running time Auxiliary switches
NAFA 1-03 3 Nm 24 VAC/DC ± 10% 25...55 s (spring return <20 s) -
NAFA 1-03S 3 Nm 24 VAC/DC ± 10% 25...55 s (spring return <20 s) 2 x SPDT (fixed + adjustable)
NAFA 2-03 3 Nm 230 VAC ± 10% 25...55 s (spring return <20 s) -
NAFA 2-03S 3 Nm 230 VAC ± 10% 25...55 s (spring return <20 s) 2 x SPDT (fixed + adjustable)

NAFA – SPRING RETURN DAMPER ACTUATOR
3 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
ACTUATOR DIMENSIONS
[mm]
TECHNICAL SPECIFICATION
NAFA 1-03 (S) NAFA 2-03 (S)
Torque 3 Nm 3 Nm
Damper size 0.6 m² 0.6 m²
Shaft dimensions Ø 10...16 mm /  7...11 mm Ø 10...16 mm /  7...11 mm
Power supply 24 VAC/DC ± 10% 230 VAC ± 10%
Frequency 50...60Hz 50...60Hz
Control signal 2-point control 2-point control
Power consumption
 In operation 7.2 W 7.2 W
 End position 1.2 W 1.2 W
Rated power 10.0 VA 10.0 VA
Electrical connections Cable 1 m Cable 1 m
Auxiliary switch rating 3 (1.5) A / 250 VAC 3 (1.5) A / 250 VAC
Protection class Class III Class II
Angle of rotation 90° (95° mechanical limitation) 90° (95° mechanical limitation)
Weight <1.8 kg <1.9 kg
Durability 60,000 rotations 60,000 rotations
Sound level 40 dB 40 dB
IP protection class IP54 IP54
Working temperature range -20°C...50°C as per IEC 721-3-3 -20°C...50°C as per IEC 721-3-3
Storage temperature -30°C...+60°C / IEC 721-3-2 -30°C...+60°C / IEC 721-3-2
Ambient humidity 5...95% rH (non condensing) / EN 5...95% rH (non condensing) / EN
Maintenance Maintenance free Maintenance free
Principle of operation Type 1 (acc. to EN 60730-1) Type 1 (acc. to EN 60730-1)
Electromagnetic compatibility CE & ISO 9000 to EN / EEC CE & ISO 9000 to EN / EEC

NAFA – SPRING RETURN DAMPER ACTUATOR
3 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
WIRING DIAGRAM NAFA...03 (S)
POWER SUPPLY 24 VAC/DC / 230 VAC
CHANGING DIRECTION OF ROTATION NAFA... 03 (S)
WIRING DIAGRAM NAFA... 03 (S)
AUXILIARY SWITCH
>5°
AUXILIARY SWITCH NAFA... 03 (S)
Switch a factory-set at 5º. The auxiliary switch can be adjusted in the
range 0°...90°.
Switch a factory-set at 5º.
Switch b adjustable 0˚...90˚.
Black Red
Blue Brown
Yellow Green Blue
24 VAC ±10%
24 VDC ±10%
230 VAC ±10%
3 (1.5) A / 250 V
AC
Actuator at 0° position
N L1
Purple
Gray
White
3. Reverse Actuator
1. Release
secure
ring
2. Remove adapter
5. Fasten
secure ring
4. Insert
adapter
2-point

NAFA – SPRING RETURN DAMPER ACTUATOR
3 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
■ Angle of rotation limiting 5º...85º adjustment
■ Installation instruction
IMPORTANT REMARKS
This actuator includes electrical and electronic components and may not be disposed as household waste.
Please consider the local valid legislation.
24 VAC/DC: Connect via safety isolating transformer.
230 VAC: To isolate from the main power supply, the system must incorporate a device which disconnects
the phase conductor (with at least a 3mm contact gap.)
Consult NENUTEC representatives for specific requirements and material selections for your intended application.
The entire content of this technical datasheet is protected by copyright.
All rights are reserved ©.
The performance specifications are nominal and conform to acceptable industry standards. Nenutec shall not be
liable for damages resulting from misapplication or misuse of its products.
CUSTOMISED VERSION
NENUTEC offers you actuators in customised
versions, e.g. with your own brand name, with colour-
coordinated applications and with your particular
demand on request.
For further information please contact us or our local
representative.
Nenutec Polska
00-236 Warszawa
ul. Świętojerska 5/7
tel.: [phone]
[email protected]
Wrong!
Secure ring
Turn adapter negative 45°
For 5°...45° Adjustment (Fig. 1)
 Loosen screw of the mechanical limiter
plate.
 Move the limiter plate to the appropriate
position.
 Tighten the screw.
For 45°...85° Adjustment
(Fig. 2)
 Release the secure ring of the
adapter.
 Remove the adapter and turn it
CCW 45° as shown.
 Insert adapter and secure the
adapter.

Loosen screw of the mechanical
limiter plate.
 Move the limiter plate
to the appropriate position.
 Tighten the screw.
For 5°...45° Adjustment
(Fig. 1)
For 45°...85° Adjustment
(Fig. 2)

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 3 Nm | MODULATED CONTROL
www.nenutec.pl
The appearance of the product may differ from the illustration. Technical specifications are subject to change.
NESM24.2-03(S)
NENUTEC spring return damper actuators have been developed to
operate and position air dampers of different sizes that perform safety
functions. For several application as frost hygiene and smoke control in
technical building installations.
■ Damper size 0.5 m2
■ Power supply 24 VAC/DC
■ Control 0…10 VDC
■ 2 auxiliary switches (SPDT)
■ Shaft dimensions Ø 6 to 12 mm round / 6 to 8 mm square
■ Minimum shaft length 24 mm.
■ Minimum shaft length 24 mm.
■ Adjustable angle of rotation (mechanical end stop).
■ Actuator with 1000 mm connection cable.
■ Customised versions and functions (on request).
MODEL SELECTION TABLE
Torque Running time
(motor) (spring return)
Power supply Auxiliary switches Model/type
3 Nm 65 s 25 s 24 VAC/DC ±15% – NESM24.2-03
3 Nm 65 s 25 s 24 V AC/DC
±15%
2 x SPDT NESM24.2-03S

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 3 Nm | MODULATED CONTROL
www.nenutec.pl
ACTUATOR DIMENSIONS [mm]
TECHNICAL SPECIFICATION
NESM24.2-03(S)
Torque 3 Nm
Damper size 0.5 m2
Shaft dimensions Ø 6 to 12 mm round / 6 to 8 mm square
Power supply 24 VAC / 24 VDC ± 15%
Frequency 50 -60 Hz
Control signal Y (input) 0…10 VDC
Feedback position U (output) 0…10 VDC
Power consumption
– Operating 2.5 W
– End position 1.6 W
Rated power 5 VA
Auxiliary switch rating 3 A 230 VAC
yes (review performance data)
Protection class III
Angle of rotation 0° ... 90° (max. 95°)
Limiting angle of rotation 45° ... 90° in 5° steps
Weight 1 kg
Life cycle Min. 60,000 emergency settings
Sound pressure level Motor 45 dB (A) / spring return 65 dB (A)
Protection degree IP 54 (dust protected & protected against splash water)
Working temperature range -20°…+50°C / IEC 721-3-3
Storage temperature -30°…+80°C / IEC 721-3-2
Ambient humidity 5...95% rH (non condensing)
Maintenance Maintenance free
Principle of operation Type 1 (acc. to EN 60730-1)
Electromagnetic compatibility CE according to 2004/108/EC
Low voltage directive CE according to 2006/95/EC
UL-Listing UL 873

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 3 Nm | MODULATED CONTROL
www.nenutec.pl
■ Changing direction of rotation NESM...03(S)
■ Auxililary switches
The auxiliary switches for NESM-03S actuators are not adjustable.
The switching points are fixed at 5° for switch a and at 85° for switch b.
■ Note
Parallel connection of maximum five NESM-03(S) actuators is possible. The power consumption and
distance between master and slave must be observed.
For more details of installation and commissioning, please observe our mounting instruction manual
M-NESM-03(S).
Wiring diagram NESM24.2-03(S)
Power supply 24 VAC / DC
24 VAC ±15%
24 VDC ±15%
Connect via safety isolating transformer
Wiring diagram NESM24.2-03(S)
Parallel connection
Wiring diagram auxiliary switches
NESM...-03S
3 A / 230 VAC
red
black
blue
green
yellow
magenta
grey
white orange
grey
0…10 VDC
0…10 V
DC
AC 24 V ±15%
24 VDC ±15%
red
black
orange
0…10 VDC
0…10 VDC
grey
Master
Slave

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 3 Nm | MODULATED CONTROL
www.nenutec.pl
■ Mechanical limiting angle of rotation NESM…-03 series
Adjustment of mechanical limiter.
1. Take limiting element and screw delivered with the actuator.
2. Place limiting element at appropriate position.*
3. Tighten the screw.
* Working range of 90º can be reduced up to 45º.
■ The NE… actuators are not allowed to be used outside the specified field of application as described at the front page of this data sheet.
■ Installation works may be performed only by trained and qualified personnel. Local regulations, codes and standards must be observed
during installation.
■ The NE… actuator may only opened by NENUTEC manufacturer site. Device does not contain any parts that can be replaced by user.
■ The electrical connection cable must not be removed from the NE... actuator.
■ This actuator includes electrical and electronic components and may not be disposed as household waste. Please consider the local valid
legislation.
■ 24 VAC 50/60 Hz, 24 VDC: Connect via safety isolating transformer.
■ 230 VAC: To isolate from the main power supply, the system must incorporate a device which disconnects the phase conductor (with at least
a 3 mm contact gap.)
IMPORTANT REMARKS
This actuator includes electrical and electronic components and may not be disposed as
household waste. Please consider the local valid legislation.
24 VAC/DC: Connect via safety isolating transformer. 230 VAC: To isolate from the main power supply,
the system must incorporate a device which disconnects the phase conductor (with at least a 3 mm
contact gap.)
Consult NENUTEC representatives for specific requirements and material selections for your
intended application. The entire content of this technical datasheet is protected by copyright. All
rights are reserved ©.
The performance specifications are nominal and conform to acceptable industry standards.
NENUTEC shall not be liable for damages resulting from misapplication or misuse of its products.
CUSTOMISED VERSION
NENUTEC offers you actuators in customised
versions, e.g. with your own brand name, with
colour-coordinated applications and with your
particular demand on request.
For further information please contact us or
our local representative.
Nenutec Polska
00-236 Warszawa
ul. Świętojerska 5/7
tel.: [phone]
[email protected]
SAFETY NOTES

NAFA – SPRING RETURN DAMPER ACTUATOR
5 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
The appearance of the product may differ from the illustration. Technical specifications are subject to change.
NAFA...05 (S1) SERIES
NAFA series Spring Return actuators are developed for general air
damper application, rotary valve and other devices which require a fail-
safe function. During normal operation, the actuator motorized the
device. In the event of power outage, the actuator springs back to its
original position.
■ Torque: 5 Nm
■ Damper size 1.0 m2
■ Power supply 24 VAC/DC and 230 VAC
■ 2-point control
■ Shaft dimensions – Ø 10...16 mm / square 7...11 mm
■ Minimum shaft length 40 mm
■ Adjustable angle of rotation
■ Direction of rotation selectable by reversing actuator during
installation
■ Actuator with 1 m connection cable
■ Optional 1 adjustable SPDT auxiliary switch
MODEL SELECTION TABLE
Model/type Torque Power supply Running time Auxiliary switches
NAFA 1-05 5 Nm 24 VAC/DC ± 10% 50...80 s (spring return <25 s) -
NAFA 1-05S1 5 Nm 24 VAC/DC ± 10% 50...80 s (spring return <25 s) 1 x SPDT (adjustable)
NAFA 2-05 5 Nm 230 VAC ± 10% 50...80 s (spring return <25 s) -
NAFA 2-05S1 5 Nm 230 VAC ± 10% 50...80 s (spring return <25 s) 1 x SPDT (adjustable)

NAFA – SPRING RETURN DAMPER ACTUATOR
5 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
ACTUATOR DIMENSIONS
[mm]
TECHNICAL SPECIFICATION
NAFA 1-05 (S1) NAFA 2-05 (S1)
Torque 5 Nm 5 Nm
Damper size 1.0 m² 1.0 m²
Shaft dimensions Ø 10...16 mm /  7...11 mm Ø 10...16 mm /  7...11 mm
Power supply 24 VAC/DC ± 10% 230 VAC ± 10%
Frequency 50...60Hz 50...60Hz
Control signal 2-point control 2-point control
Power consumption
 In operation 7.2 W 7.2 W
 End position 2.5 W 2.5 W
Rated power 10.0 VA 10.0 VA
Electrical connections Cable 1 m Cable 1 m
Auxiliary switch rating 3 (1.5) A / 250 VAC 3 (1.5) A / 250 VAC
Protection class Class III Class II
Angle of rotation 90° (95° mechanical limitation) 90° (95° mechanical limitation)
Weight <1.8 kg <1.8 kg
Durability 60,000 rotations 60,000 rotations
Sound level 40 dB 40 dB
IP protection class IP54 IP54
Working temperature range -20°C...50°C as per IEC 721-3-3 -20°C...50°C as per IEC 721-3-3
Storage temperature -30°C...+60°C / IEC 721-3-2 -30°C...+60°C / IEC 721-3-2
Ambient humidity 5...95% rH (non condensing) / EN 5...95% rH (non condensing) / EN
Maintenance Maintenance free Maintenance free
Principle of operation Type 1 (acc. to EN 60730-1) Type 1 (acc. to EN 60730-1)
Electromagnetic compatibility CE & ISO 9000 to EN / EEC CE & ISO 9000 to EN / EEC

NAFA – SPRING RETURN DAMPER ACTUATOR
5 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
WIRING DIAGRAM NAFA...05 (S1)
POWER SUPPLY 24 VAC/DC / 230 VAC
CHANGING DIRECTION OF ROTATION NAFA... 05 (S1)
WIRING DIAGRAM NAFA... 05 (S1)
AUXILIARY SWITCH
AUXILIARY SWITCH NAFA... 05(S1)
Switch a factory-set at 5º. The auxiliary switch can be adjusted in the
range 0°...90°.
Black Red
Blue Brown
24 VAC ±10%
24 VDC ±10%
230 VAC ±10%
3 (1.5) A / 250 V
AC
Actuator at 0° position
N L1
3. Reverse actuator
1. Release
secure ring
2. Remove adapter
5. Fasten
secure ring
4. Insert
adapter
2-point
Yellow Green Blue

NAFA – SPRING RETURN DAMPER ACTUATOR
5 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
■ Angle of rotation limiting 5º...85º adjustment
■ Installation instruction
IMPORTANT REMARKS
This actuator includes electrical and electronic components and may not be disposed as household waste.
Please consider the local valid legislation.
24 VAC/DC: Connect via safety isolating transformer.
230 VAC: To isolate from the main power supply, the system must incorporate a device which disconnects
the phase conductor (with at least a 3mm contact gap.)
Consult NENUTEC representatives for specific requirements and material selections for your intended application.
The entire content of this technical datasheet is protected by copyright.
All rights are reserved ©.
The performance specifications are nominal and conform to acceptable industry standards. Nenutec shall not be
liable for damages resulting from misapplication or misuse of its products.
CUSTOMISED VERSION
NENUTEC offers you actuators in customised
versions, e.g. with your own brand name, with colour-
coordinated applications and with your particular
demand on request.
For further information please contact us or our local
representative.
Nenutec Polska
00-236 Warszawa
ul. Świętojerska 5/7
tel.: [phone]
[email protected]
Wrong!
Secure ring
Turn adapter negative 45°
For 5°...45° Adjustment (Fig. 1)
 Loosen screw of the mechanical limiter
plate.
 Move the limiter plate to the appropriate
position.
 Tighten the screw.
For 45°...85° Adjustment
(Fig. 2)
 Release the secure ring of the
adapter.
 Remove the adapter and turn it
CCW 45° as shown.
 Insert adapter and secure the
adapter.

Loosen screw of the mechanical
limiter plate.
 Move the limiter plate
to the appropriate position.
 Tighten the screw.
For 5°...45° Adjustment
(Fig. 1)
For 45°...85° Adjustment
(Fig. 2)

NAFA – SPRING RETURN DAMPER ACTUATOR
8 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
The appearance of the product may differ from the illustration. Technical specifications are subject to change.
NAFA...08 (S) SERIES
NAFA series Spring Return actuators are developed for general air
damper application, rotary valve and other devices which require a fail-
safe function. During normal operation, the actuator motorized the
device. In the event of power outage, the actuator springs back to its
original position.
■ Torque: 8 Nm
■ Damper size 1.5 m2
■ Power supply 24 VAC/DC and 230 VAC
■ 2-point control
■ Shaft dimensions – Ø 10...20 mm / square 7...14 mm
■ Minimum shaft length 40 mm
■ Adjustable angle of rotation
■ Direction of rotation selectable by reversing actuator during
installation
■ Actuator with 1 m connection cable
■ Optional 1 fixed and 1 adjustable SPDT auxiliary switches
MODEL SELECTION TABLE
Model/type Torque Power supply Running time Auxiliary switches
NAFA 1-08 8 Nm 24 VAC/DC ± 10% 100...130 s (spring return <25 s) -
NAFA 1-08S 8 Nm 24 VAC/DC ± 10% 100...130 s (spring return <25 s) 2 x SPDT (fixed + adjustable)
NAFA 2-08 8 Nm 230 VAC ± 10% 100...130 s (spring return <25 s) -
NAFA 2-08S 8 Nm 230 VAC ± 10% 100...130 s (spring return <25 s) 2 x SPDT (fixed + adjustable)

NAFA – SPRING RETURN DAMPER ACTUATOR
8 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
ACTUATOR DIMENSIONS [mm]
TECHNICAL SPECIFICATION
NAFA 1-08 (S) NAFA 2-08 (S)
Torque 8 Nm 8 Nm
Damper size 1.5 m² 1.5 m²
Shaft dimensions Ø 10...20 mm /  7...14 mm Ø 10...20 mm /  7...14 mm
Power supply 24 VAC/DC ± 10% 230 VAC ± 10%
Frequency 50...60Hz 50...60Hz
Control signal 2-point control 2-point control
Power consumption
 In operation 7.0 W 8.0 W
 End position 2.0 W 5.5 W
Rated power 8.0 VA 8.0 VA
Electrical connections Cable 1 m Cable 1 m
Auxiliary switch rating 3 (1.5) A / 250 VAC 3 (1.5) A / 250 VAC
Protection class Class III Class II
Angle of rotation 90° (95° mechanical limitation) 90° (95° mechanical limitation)
Weight <2.2 kg <2.2 kg
Durability 60,000 rotations 60,000 rotations
Sound level 45 dB 45 dB
IP protection class IP54 IP54
Working temperature range -20°C...50°C as per IEC 721-3-3 -20°C...50°C as per IEC 721-3-3
Storage temperature -30°C...+60°C / IEC 721-3-2 -30°C...+60°C / IEC 721-3-2
Ambient humidity 5...95% rH (non condensing) / EN 5...95% rH (non condensing) / EN
Maintenance Maintenance free Maintenance free
Principle of operation Type 1 (acc. to EN 60730-1) Type 1 (acc. to EN 60730-1)
Electromagnetic compatibility CE & ISO 9000 to EN / EEC CE & ISO 9000 to EN / EEC

NAFA – SPRING RETURN DAMPER ACTUATOR
8 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
WIRING DIAGRAM NAFA...08 (S)
POWER SUPPLY 24 VAC/DC / 230 VAC
CHANGING DIRECTION OF ROTATION NAFA... 08 (S)
WIRING DIAGRAM NAFA... 08 (S)
AUXILIARY SWITCH
>5°
AUXILIARY SWITCH NAFA... 08 (S)
Switch a factory-set at 5º. The auxiliary switch can be adjusted in the
range 0°...90°.
Switch a factory-set at 5º.
Switch b adjustable 0˚...90˚.
Black Red
Blue Brown
Yellow Green Blue
24 VAC ±10%
24 VDC ±10%
230 VAC ±10%
3 (1.5) A / 250 V
AC
Actuator at 0° position
N L1
Purple Gray White
Crank handle

NAFA – SPRING RETURN DAMPER ACTUATOR
8 Nm | 2-POINT CONTROL, SPRING RETURN
www.nenutec.pl
■ Limiting angle of rotation
 Loosen screw of the mechanical limiter plate.
 Move the limiter plate to the appropriate position.
 Tighten the screw.
■ Installation instruction
IMPORTANT REMARKS
This actuator includes electrical and electronic components and may not be disposed as household waste.
Please consider the local valid legislation.
24 VAC/DC: Connect via safety isolating transformer.
230 VAC: To isolate from the main power supply, the system must incorporate a device which disconnects
the phase conductor (with at least a 3mm contact gap.)
Consult NENUTEC representatives for specific requirements and material selections for your intended application.
The entire content of this technical datasheet is protected by copyright.
All rights are reserved ©.
The performance specifications are nominal and conform to acceptable industry standards. Nenutec shall not be
liable for damages resulting from misapplication or misuse of its products.
CUSTOMISED VERSION
NENUTEC offers you actuators in customised
versions, e.g. with your own brand name, with colour-
coordinated applications and with your particular
demand on request.
For further information please contact us or our local
representative.
Nenutec Polska
00-236 Warszawa
ul. Świętojerska 5/7
tel.: [phone]
[email protected]
Wrong!
0...90° limiter

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 10 Nm | MODULATED CONTROL
www.nenutec.pl
The appearance of the product may differ from the illustration. Technical specifications are subject to change.
NESM24.2-10(S)
NENUTEC spring return damper actuators have been developed to
operate and position air dampers of different sizes that perform safety
functions. For several application as frost hygiene and smoke control in
technical building installations.
■ Damper size 2 m2
■ Power supply 24 VAC/DC
■ Control 0…10 VDC
■ 2 auxiliary switches (SPDT)
■ Shaft dimensions Ø 13 to 19 mm round / 8 to 12 mm square
■ Minimum shaft length 40 mm.
■ Minimum shaft length 24 mm.
■ Adjustable angle of rotation (mechanical end stop).
■ Actuator with 1000 mm connection cable.
■ Customised versions and functions (on request).
MODEL SELECTION TABLE
Torque Running time
(motor) (spring return)
Power supply Auxiliary switches Model/type
10 Nm 120 s 15 s 24 VAC/DC ±15% – NESM24.2-10
10 Nm 120 s 15 s 24 VAC/DC ±15% 2 x SPDT NESM24.2-10S

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 10 Nm | MODULATED CONTROL
www.nenutec.pl
ACTUATOR DIMENSIONS [mm]
TECHNICAL SPECIFICATION
NESM24.2-10(S)
Torque 10 Nm
Damper size 2 m2
Shaft dimensions Ø 13 to 19 mm round / 8 to 12 mm square
Power supply 24 VAC / 24 VDC ± 15%
Frequency 50 -60 Hz
Control signal Y (input) 0…10 VDC
Feedback position U (output) 0…10 VDC
Power consumption
– Operating 2.4 W
– End position 0.5 W
Rated power 10 VA
Auxiliary switch rating 3 A 230 VAC
yes (review performance data)
Protection class III
Angle of rotation 0° ... 90° (max. 95°)
Limiting angle of rotation 45° ... 90° in 5° steps
Weight 1 kg
Life cycle Min. 60,000 emergency settings
Sound pressure level Motor 45 dB (A) / spring return 65 dB (A)
Protection degree IP 54 (dust protected & protected against splash water)
Working temperature range -20°…+50°C / IEC 721-3-3
Storage temperature -30°…+80°C / IEC 721-3-2
Ambient humidity 5...95% rH (non condensing)
Maintenance Maintenance free
Principle of operation Type 1 (acc. to EN 60730-1)
Electromagnetic compatibility CE according to 2004/108/EC
Low voltage directive CE in accordance with 2006/95/EC
UL-Listing UL 873

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 10 Nm | MODULATED CONTROL
www.nenutec.pl
■ Changing direction of rotation NESM...03(S)
■ Auxililary switches
The auxiliary switches for NESM-10S actuators are not adjustable.
The switching points are fixed at 5° for switch a and at 85° for switch b.
■ Note
Parallel connection of maximum five NESM-10(S) actuators is possible. The power consumption and
distance between master and slave must be observed.
For more details of installation and commissioning, please observe our mounting instruction manual
M-NESM-10(S).
Wiring diagram NESM24.2-10(S)
Power supply 24 VAC / DC
24 VAC ±15%
24 VDC ±15%
Connect via safety isolating transformer
Wiring diagram NESM24.2-10(S)
Parallel connection
Wiring diagram auxiliary switches
NESM...-10S
3 A / 230 VAC
red
black
blue
green
yellow
magenta
grey
white orange
grey
0…10 VDC
0…10 V
DC
24 VAC ±15%
24 VDC ±15%
red
black
orange
0…10 VDC
0…10 VDC
grey
Master
Slave

NENUTEC AIR - ROTARY DAMPER ACTUATOR
WITH SPRING RETURN SAFETY FUNCTION 10 Nm | MODULATED CONTROL
www.nenutec.pl
■ Mechanical limiting angle of rotation NESM…-10 series
Adjustment of mechanical limiter.
1. Take limiting element and screw delivered with the actuator
2. Place limiting element at appropriate position.*
3. Tighten the screw.
* Working range of 90º can be reduced up to 45º.
■ The NE… actuators are not allowed to be used outside the specified field of application as described at the front page of this data sheet.
■ Installation works may be performed only by trained and qualified personnel. Local regulations, codes and standards must be observed
during installation.
■ The NE… actuator may only opened by NENUTEC manufacturer site. Device does not contain any parts that can be replaced by user.
■ The electrical connection cable must not be removed from the NE... actuator.
■ This actuator includes electrical and electronic components and may not be disposed as household waste. Please consider the local valid
legislation.
■ 24 VAC 50/60 Hz, 24 VDC: Connect via safety isolating transformer.
■ 230 VAC: To isolate from the main power supply, the system must incorporate a device which disconnects the phase conductor (with at least
a 3 mm contact gap.)
IMPORTANT REMARKS
This actuator includes electrical and electronic components and may not be disposed as
household waste. Please consider the local valid legislation.
24 VAC/DC: Connect via safety isolating transformer. 230 VAC: To isolate from the main power supply,
the system must incorporate a device which disconnects the phase conductor (with at least a 3 mm
contact gap.)
Consult NENUTEC representatives for specific requirements and material selections for your
intended application. The entire content of this technical datasheet is protected by copyright. All
rights are reserved ©.
The performance specifications are nominal and conform to acceptable industry standards.
NENUTEC shall not be liable for damages resulting from misapplication or misuse of its products.
CUSTOMISED VERSION
NENUTEC offers you actuators in customised
versions, e.g. with your own brand name, with
colour-coordinated applications and with your
particular demand on request.
For further information please contact us or
our local representative.
Nenutec Polska
00-236 Warszawa
ul. Świętojerska 5/7
tel.: [phone]
[email protected]
SAFETY NOTES