echnical data sheet NRA Rotary actuator for ball valves Nominal torque Nm Nominal voltage AC V Control Open-close, -point echnical data Electrical data Nominal voltage AC V Nominal voltage frequency 5/6 Hz Nominal voltage range AC 85...65 V Power consumption in operation W Power consumption in rest position.6 W Power consumption for wire sizing 7 VA Connection supply / control Cable m, x.75 mm² Parallel operation Yes (note the performance data) Functional data orque motor Min. Nm Manual override Gear disengagement with push-button, can be locked Running time motor 9 s / 9 Sound power level motor max. 5 db(a) Position indication Mechanically, pluggable Safety Protection class IEC/EN II Protective insulated Protection class UL II Protective insulated Degree of protection IEC/EN IP54 Degree of protection NEMA/UL NEMA, UL Enclosure ype EMC CE according to 4/8/EC Low voltage directive CE according to 6/95/EC Certification IEC/EN IEC/EN 67- and IEC/EN 67--4 Certification UL culus according to UL 67-A, UL 67-- 4 and CAN/CSA E67-: Mode of operation ype Rated impulse voltage supply / control 4 kv Control pollution degree Ambient temperature -...5 C Non-operating temperature -4...8 C Ambient humidity 95% r.h., non-condensing Maintenance Maintenance-free Weight Weight approx..75 kg Safety notes his device has been designed for use in stationary heating, ventilation and air conditioning systems and is not allowed to be used outside the specified field of application, especially in aircraft or in any other airborne means of transport. Caution: Power supply voltage Only authorised specialists may carry out installation. All applicable legal or institutional installation regulations must be complied during installation. he switch for changing the direction of rotation may only be operated by authorised specialists. he direction of rotation must not in particular be reversed in a frost protection circuit. he device may only be opened at the manufacturer s site. It does not contain any parts that can be replaced or repaired by the user. he cables must not be removed from the device. www.belimo.eu NRA en-gb 4-8- subject to changes
NRA Rotary actuator, Open-close, -point, AC V, Nm Safety notes he device contains electrical and electronic components and is not allowed to be disposed of as household refuse. All locally valid regulations and requirements must be observed. Product features Direct mounting Manual override High functional reliability Adjustable angle of rotation Straightforward direct mounting on the ball valve with only one central screw. he assembly tool is integrated in the plug-in position indication. he mounting orientation in relation to the ball valve can be selected in 9 steps. Manual override with push-button possible (the gear is disengaged for as long as the button is pressed or remains locked). he actuator is overload protected, requires no limit switches and automatically stops when the end stop is reached. Adjustable angle of rotation with mechanical end stops. Accessories Description ype Electrical accessories Auxiliary switch, add-on, x SPD SA Auxiliary switch, add-on, x SPD SA Feedback potentiometer 4 Ohm, add-on P4A Feedback potentiometer Ohm, add-on PA Feedback potentiometer 5 Ohm, add-on P5A Feedback potentiometer kohm, add-on PA Feedback potentiometer.8 kohm, add-on P8A Feedback potentiometer 5 kohm, add-on P5A Feedback potentiometer kohm, add-on PA NRA en-gb 4-8- subject to changes www.belimo.eu
NRA Rotary actuator, Open-close, -point, AC V, Nm Electrical installation Notes Caution: Power supply voltage Parallel connection of other actuators possible. Observe the performance data. Direction of rotation switch is covered. Factory setting: Direction of rotation. Wiring diagrams AC V, open-close N L AC V, -point N L Y A AB = % Cable colours: = blue = brown = white Y Y A AB = % Cable colours: = blue = brown = white Dimensions [mm] Dimensional drawings 7 85 8 R 65 8 97 4 Further documentation Overview Valve-actuator combinations Data sheets for ball valves Installation instructions for actuators and/or ball valves General notes for project planning www.belimo.eu NRA en-gb 4-8- subject to changes
echnical data sheet NRA-S Rotary actuator for ball valves Nominal torque Nm Nominal voltage AC V Control Open-close, -point With integrated auxiliary switch echnical data Electrical data Nominal voltage AC V Nominal voltage frequency 5/6 Hz Nominal voltage range AC 85...65 V Power consumption in operation W Power consumption in rest position.6 W Power consumption for wire sizing 7 VA Auxiliary switch x SPD,...% Switching capacity auxiliary switch ma... (.5) A, AC 5 V (II Protective insulated) Connection supply / control Cable m, x.75 mm² Connection auxiliary switch Cable m, x.75 mm² Parallel operation Yes (note the performance data) Functional data orque motor Min. Nm Manual override Gear disengagement with push-button, can be locked Running time motor 9 s / 9 Sound power level motor max. 5 db(a) Position indication Mechanically, pluggable Safety Protection class IEC/EN II Protective insulated Protection class UL II Protective insulated Degree of protection IEC/EN IP54 Degree of protection NEMA/UL NEMA, UL Enclosure ype EMC CE according to 4/8/EC Low voltage directive CE according to 6/95/EC Certification IEC/EN IEC/EN 67- and IEC/EN 67--4 Certification UL culus according to UL 67-A, UL 67-- 4 and CAN/CSA E67-: Mode of operation ype Rated impulse voltage supply / control 4 kv Rated impulse voltage auxiliary switch.5 kv Control pollution degree Ambient temperature -...5 C Non-operating temperature -4...8 C Ambient humidity 95% r.h., non-condensing Maintenance Maintenance-free Weight Weight approx..8 kg Safety notes his device has been designed for use in stationary heating, ventilation and air conditioning systems and is not allowed to be used outside the specified field of application, especially in aircraft or in any other airborne means of transport. Caution: Power supply voltage Only authorised specialists may carry out installation. All applicable legal or institutional installation regulations must be complied during installation. he switch for changing the direction of rotation may only be operated by authorised specialists. he direction of rotation must not in particular be reversed in a frost protection circuit. www.belimo.eu NRA-S en-gb 4-8- subject to changes
NRA-S Rotary actuator, Open-close, -point, AC V, Nm Safety notes he device may only be opened at the manufacturer s site. It does not contain any parts that can be replaced or repaired by the user. he cables must not be removed from the device. he device contains electrical and electronic components and is not allowed to be disposed of as household refuse. All locally valid regulations and requirements must be observed. Product features Direct mounting Manual override High functional reliability Adjustable angle of rotation Straightforward direct mounting on the ball valve with only one central screw. he assembly tool is integrated in the plug-in position indication. he mounting orientation in relation to the ball valve can be selected in 9 steps. Manual override with push-button possible (the gear is disengaged for as long as the button is pressed or remains locked). he actuator is overload protected, requires no limit switches and automatically stops when the end stop is reached. Adjustable angle of rotation with mechanical end stops. Flexible signalization With adjustable auxiliary switch (... %) Auxiliary switch S S S S S S Accessories Description ype Electrical accessories Auxiliary switch, add-on, x SPD SA Auxiliary switch, add-on, x SPD SA Feedback potentiometer 4 Ohm, add-on P4A Feedback potentiometer Ohm, add-on PA Feedback potentiometer 5 Ohm, add-on P5A Feedback potentiometer kohm, add-on PA Feedback potentiometer.8 kohm, add-on P8A Feedback potentiometer 5 kohm, add-on P5A Feedback potentiometer kohm, add-on PA NRA-S en-gb 4-8- subject to changes www.belimo.eu
NRA-S Rotary actuator, Open-close, -point, AC V, Nm Electrical installation Notes Caution: Power supply voltage Parallel connection of other actuators possible. Observe the performance data. Direction of rotation switch is covered. Factory setting: Direction of rotation. Wiring diagrams AC V, open-close N L S S S Y A AB = %...% Cable colours: = blue = brown = white S = violet S = red S = white AC V, -point N L S S S Y Y A AB = %...% Cable colours: = blue = brown = white S = violet S = red S = white www.belimo.eu NRA-S en-gb 4-8- subject to changes
NRA-S Rotary actuator, Open-close, -point, AC V, Nm Dimensions [mm] Dimensional drawings 7 85 8 R 65 8 97 4 Further documentation Overview Valve-actuator combinations Data sheets for ball valves Installation instructions for actuators and/or ball valves General notes for project planning 4 NRA-S en-gb 4-8- subject to changes www.belimo.eu
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