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Ahlsell Products VentilationControl & regulation

Control & regulation

Thyristors and transformers

Motor protection

Electric heating regulators

Thermostats and sensors

Damper motors with accessories

Measuring equipment

Rating plates and labels

Siren and flashing lights

Do you work in ventilation and air treatment systems? Ahlsell helps you find what you need within rules and regulations. We have the products whether you work on projects, contracting, or service and maintenance. Here you will find regulators for electric heating and everything needed for an excellent indoor climate. You will also find thermostats and sensors in our product range. The majority of products within electric heating are available in our range. Explore our wide range of electric heating, controls, and regulations here in the online store or visit your nearest Ahlsell store.

Products (109)

Temperature Sensor for Duct TEK PT1000, Produal

Temperature Sensor for Duct TEK PT1000, Produal

Art. no.: 19057904

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Art. no.: 6711107

VRS for manual continuous control of single phase AC motors. The minimum speed is set with a screw under the knob. All single phase fans from Östberg can be regulated with VRS. The thyristor is certified and EMC approved. Available in surface-mounted or recessed mounting. Frequency: 50 or 60 Hz.

Thermal Actuator A 40405 24V NC 3m, Produal

Thermal Actuator A 40405 24V NC 3m, Produal

Art. no.: 19057870

The thermal actuators A 40505 (and A 41505) are designed for controlling control valves in HVAC automation systems. The thermal actuator can be controlled by a 24 Vac on/off control signal or a PWM signal. A 40505 is normally closed (A 41505 is normally open). Adapter ring not included.
Note! Do not use any ammonia materials or adhesives near the thermal actuators.

Damper motor GCA161.1E/09H, rotating, Siemens

Damper motor GCA161.1E/09H, rotating, Siemens

Art. no.: 6631553

Electromechanical damper actuator with twisting movement for 2-mode, 3-mode and continuous running. Nominal torque 18 Nm. Spring return for fast shutting function.
Self-centreing axle adapter. Mechanically adjustable working range 0...90°. 0,9 m long connected cable. Type-specific variance with adjustable starting points and working areas for setting signal, position indicator, feedback potentiometer and adjustable auxiliary contacts for additional functions.

Damper Shaft Extender ZA-LM, Belimo

Damper Shaft Extender ZA-LM, Belimo

Art. no.: 6631526

Used for mounting Belimo damper motor LM series onto damper with short square 8x8mm spindle.

Damper Engine - Belimo LF24

Damper Engine - Belimo LF24

Art. no.: 6631424

Used to control the smaller dampers in the event of a power failure to the open or closed position. When connecting the power supply run the engine in operating mode, at the same time as the consumption spring is powered. If the supply voltage is broken the stored spring energy is triggered which returns the damper motor to its safety position.
Easy installation on the damper spindle with the universal clamp. The power unit is prevented from rotating with the aid of the supplied turning safety device.
The turning angle is adjustable with a built-in mechanical stop. High reliability performance
The engine is overload-proof, does not need any end position switches and stops automatically when the set stop position is reached.
4Nm, 24V, with spring and universal connection
Technical data

Damper Motor - Belimo LM24A

Damper Motor - Belimo LM24A

Art. no.: 6631530

Damper motors with accessories.
Damper motor - Belimo LM24A. For manoeuvring of the air damper up to 1m², depending on the design and torque required. The motor has two-point control or open-close with one or two wire control. The motor’s clamp bracket connection enables assembly on round or square damper spindles 6-20mm. The motor is equipped with mechanical end-position stop and is overload-proof. Limit switch not required. The damper motor can be decoupled and manoeuvred by hand. If the damper spindle is shorter than 35mm then it is necessary to use damper spindle extender AV10-18. The damper motor is maintenance-free.
Technical data

Damper Motor - Belimo NM24A

Damper Motor - Belimo NM24A

Art. no.: 6631506

Damper motor for manoeuvring of the air damper up to 2m², depending on the design and torque required. The motor has two-point control or open-close with one or two wire control. The motor’s clamp bracket connection enables assembly on round or square damper spindles 6-25 mm. The motor is equipped with mechanical end-position stop and is overload-proof. Limit switch not required. The damper motor can be decoupled and manoeuvred by hand. If the damper spindle is shorter than 35mm then the connection can be made from underneath using the K-NA accessory. The damper motor is maintenance-free.

Damper Motor - Belimo SF24A-SR

Damper Motor - Belimo SF24A-SR

Art. no.: 6631522B

Spring return engine for manoeuvring of the stack dampers. Control via control signal 0-10V or 0-20V. The motor is mounted directly onto the damper spindle using the clamp connection and rotating fuse provided. The motor is pre-tensioned 5° on delivery. The pre-tension block is released either by using the crank provided or by connecting the supply current. The motor can be manoeuvred manually using the crank and locked in any position.
Rotating direction: the motor is selectable using the L/R switch. Spring is selectable via right or left assembly L/R. 20Nm, 24V, with spring and universal joint, continuous 0-10V.
Technical data

Damper Engine - Belimo SF24A

Damper Engine - Belimo SF24A

Art. no.: 19050500

SFA is based on the latest generation of type NF..and SF...actuators. Spring return actuator SFA has a quite hardy housing and provides a 20Nm torque. Suitable for, for example, larger fresh air vents where the motor is controlled by built-in springs as voltage subsides. Free choice of any supply voltage between 24 and 230V.

Damper Motor - Belimo LM24A-SR

Damper Motor - Belimo LM24A-SR

Art. no.: 6631531

Damper actuator for control of the damper in ventilation systems.
For rectangular dampers up to and including approx. 1 m2
24V AC/DC
0...10 V continuous control signal
2...10 V DC measurement voltage
Technical data

Damper Motor - Belimo NM24A-SR

Damper Motor - Belimo NM24A-SR

Art. no.: 6631507

Damper actuator for control of the damper in ventilation systems.
For rectangular dampers up to and including approx. 2 m2
Torque 10 Nm
24V AC/DC
0...10 V continuous control signal
2...10 V DC measurement voltage
Technical data

Damper Motor - Belimo SM24A-SR

Damper Motor - Belimo SM24A-SR

Art. no.: 6631512

Damper actuator for control of the damper in ventilation systems. For rectangular dampers up to and including approx. 4 m2.

Low voltage push button with LED lamp, PJP, Produal

Low voltage push button with LED lamp, PJP, Produal

Art. no.: 19057891

Low voltage push button, with LED lights, for flush mounting, can also be mounted externally with a raised frame (not included).

T-tube, Plastic, Kuntze

T-tube, Plastic, Kuntze

Art. no.: 19056390

PVC-hose for connection between the pressure outlets and filter manometers or similar.

CO2-givare T-SENSE, Calectro

CO2-givare T-SENSE, Calectro

Art. no.: 6531473

Transformer Regulator VRTE, Östberg

Transformer Regulator VRTE, Östberg

Art. no.: 6611670

VRTE for AC motors. For manual voltage control in five fixed voltage stages with 0 position. For speed control of voltage-controlled single-phase motors. The control is done by means of the switch on the front of the housing. Operation indicator lamp is located on the housing. 60 Hz.
Output voltages:
VRTE: 80V, 110V, 140V, 170V, 190V and 230V.
NOTE! VRTE C does not support 190V output voltage.

Outdoor Temperature Sensor TEU TP, Produal

Outdoor Temperature Sensor TEU TP, Produal

Art. no.: 19057923

TEU temperature sensor for measuring outdoor temperature.

Outdoor Temperature Sensor TEU TP, Produal

Motor Capacitors, EBM Papst

Motor Capacitors, EBM Papst

Art. no.: 19025412

EBM Papst supplies motor capacitors for fans and units.

Channel sensor TG-K... NTC, Regin

Channel sensor TG-K... NTC, Regin

Art. no.: 6631419

Duct sensor of type NTC for measuring air temperature in ventilation ducts.

Differential pressure switch PSW, Sentera

Differential pressure switch PSW, Sentera

Art. no.: 6531446

A differential pressure sensor for the monitoring of the air treatment equipment. DTV is intended as a fan monitor, filter monitor, or for controlling the defrosting functions. It is intended for the differential pressure up to 500 Pa. The pressure monitor is also available with performance of up to 5000 Pa. The lowest setting is 20 Pa (PSW200) and 50 Pa (PSW500) respectively. The pressure monitor is long-term stable, and can withstand ambient temperatures down to-20ºc.

Difference pressure switch DTV...X, Regin

Difference pressure switch DTV...X, Regin

Art. no.: 66611094

Filter manometer Mini 1200, Regin

Filter manometer Mini 1200, Regin

Art. no.: 6631001

For fixed installation. Simple and easy to read. Consists of U-pipe mounted on an frame.
The packaging contains a bottle of measuring fluid, two measurement points and an adhesive label.

Room Thermostat TM1-P Electronic, Regin

Room Thermostat TM1-P Electronic, Regin

Art. no.: 6611063

An electronic room thermostat for wall mounting indoors with change-over contact for heating and cooling regulation. Sensors are integrated with the possibility of external sensors. Max load 230V AC, 16A. Protection form IP30.

Motor shelf and extension shaft for damper type HISC, Hallströms

Motor shelf and extension shaft for damper type HISC, Hallströms

Art. no.: 9942470

Loose motor shelf for retrofitting a motor. Screws onto the existing damper shelf.
Purchase the Axel & screw adapter 80-315 for motor control.

Large dimensions (LxW) mm: 260x80 mm.
Small dimensions (LxW) mm: 150x80 mm.
Axel & screw adapter dimensions: 12x12x1.5 mm. Length: 120 mm.

Motor shelf and extension shaft for damper type HISC, Hallströms

Immersion Temperature Sensor TEAT PT, Produal

Immersion Temperature Sensor TEAT PT, Produal

Art. no.: 19057898

TEAT temperature sensor for measuring heat and cold in HVAC systems. The sensor can also be used to measure temperatures in, for example, ventilation ducts.

U-tube manometer BVUM, Bevent

U-tube manometer BVUM, Bevent

Art. no.: 6631002

Suitable as filter guard or similar. BVUM has adjustable scale graded ± 0-400 Pa for measurement of up to 800 Pa differential pressure.
The bottom of the manometer is made of white plastic, U-tube and scale are made of clear plastic.
The manometer is supplied in a cardboard box, complete with two connection nipples, two meter hose and a bottle of manometer fluid.

Room Regulators EC-Basic, Systemair

Room Regulators EC-Basic, Systemair

Art. no.: 66511220

Identification Labels

Identification Labels

Art. no.: 6631020X

Arrow sign with two-colour screen-print. Equipped with self-adhesive reverse side and fixing hole for screw. White arrow with black text.

Motor Protection U-EK230E EX, Systemair

Motor Protection U-EK230E EX, Systemair

Art. no.: 6511067

U-EK 230E is a thermistor motor cover to be used in conjunction with a contactor to protect Ex-fans, can also be used for fans with built-in thermistor. It is designed as an electronics unit designed to be snap-mounted on a 35 mm DIN rail. I The fan motors have six series-connected thermistors, two per phase winding, whose resistance is affected by the temperature. When the motor temperature exceeds the permissible temperature, the resistance rises steeply and the motor protection triggers. When the motor cover has tripped, the indicator lamp labeled "Interference" lights up. Resetting is done manually, either by pressing the "Reset" button, or by turning the motor cover off (switching the supply to A2) for about 10 seconds. If a five-stage transformer is used to control the EX fan, the U-EK 230E must be connected to the transformer.

Manometer and measuring fluid, Calectro

Manometer and measuring fluid, Calectro

Art. no.: 6631455

Manometer with clear and easy-to-read scale. Used as a filter monitor. To be filled with red paraffin oil which is provided and has a calibration wheel for resetting. PVC-hose and fastenings provided.

Damper Motor - Belimo SM230A

Damper Motor - Belimo SM230A

Art. no.: 6631514

Damper actuator for control of the damper in ventilation systems
For rectangular dampers up to and including approx. 4 m2Torque 20 Nm100...240V ACTwo mode or 3-point controlWith integrated breaker SM230A-S control).

Flashlight Solex 10, Calectro

Flashlight Solex 10, Calectro

Art. no.: 19033807

Flashlight with Xeon light source, 10Cd , 1Hz , IP54 , -25° till +70° , power supply 10-60VDC. With base SOCK-H-R-230V and can also 230V be connected to AC. 93x65mm

Jape Smoking Puff, Jape Vent Floor

Jape Smoking Puff, Jape Vent Floor

Art. no.: 19059168

Jape Smoke Puffer - smoke to detect air movements. Jape Smoke Puffer is a tool for creating smoke. It can be used to control ventilation and detect leaks and drafts in a building. The smoke is completely harmless and smells almost nothing. A smoke cartridge can last up to about 1000 puffs and the battery can be charged in a USB port. A mini-flashlight that mounts on the smoke cartridge is available as an accessory.

Included in the package:
1 pcs Battery
1 pcs Smoke cartridge
1 pcs Bellows
1 pcs USB charger

Silicone Hose

Art. no.: 411885

Liquid transporter in food, pharmaceutical and chemical technology sectors as well as for coffee and drinks machines, and laboratory equipment. Interior and exterior of smooth, transparent silicone rubber. Resistant to weak acids, alkaline solutions and low aroma oils. Silicone rubber withstands autoclaving/sterilisation, boiling water and low-pressure steam and is not contaminated by smells or tastes. Resistant to attack by bacteria and mould. Superior resistance to sunlight, ozone, weather and wind, gamma and x-ray radiation.

Thyristor MS EC, Östberg

Thyristor MS EC, Östberg

Art. no.: 19034219

MS EC for manual continuous control of EC motors. All fans with EC motors from Östberg have 10 Vdc own 10 Vdc output which can be connected as supply to the controls. On the stepless control, the max and min positions can be adjusted with adjusting screws under the knob. On control with fixed positions, pos. 1 and pos. 2 is adjusted with the adjusting screws. The controls are certified and EMC approved. Frequency: 50 or 60 Hz.

Thyristor MS EC, Östberg

Thyristor MS EC, Östberg

Smoke pen & Refill, Bjornax

Smoke pen & Refill, Bjornax

Art. no.: 6631017

Pyrotechnic smoke packed into the immersion heaters, which is ignited upon use.
For control of:
Air movements on the premisesSmoke detectorsLeakage in ventilation/drainage systems and chimneys
Smoke pen, which provides a continuous trail of smoke that can be extinguished when desired.
Follow the instructions on the packaging.

Smoke pen & Refill, Bjornax

Pressure sensor CPS-A 24V , Calectro

Pressure sensor CPS-A 24V , Calectro

Art. no.: 19033790

Transformer Regulator STR 1, Sentera

Transformer Regulator STR 1, Sentera

Art. no.: 6511670

For manual voltage control of the five fixed steps with a 0 position. For the rpm speed control of voltage adjustable single phase motors.
Adjustment takes place by means of the switch on the front cover. Operation indicator lamp is on the cover. The stable housing is made of plastic. Protection level IP 54.

Transformer Regulator STR 1, Sentera

Transformer RE, Systemair

Transformer RE, Systemair

Art. no.: 6611061

Single-phase fan variator, where the fan speed is controlled by the supply voltage and can be varied in five fixed stages, which are controlled manually with the aid of the switch at the front. The transformer output 230V for control of the damper, electric battery or other external equipment. When the transformer is set to 0, the output is voltage-free. The signal lamp on the front indicates operation. The fuse is reset from outside. REU has a cover of self-extinguishing thermoplastic. Supply voltage: 230V 50/60Hz. Please note! For fans with extended thermal contact, separate motor protection must be used.
Output voltage at the 5-stages

Contact Sensor TEP, Produal

Contact Sensor TEP, Produal

Art. no.: 19057918

TEP contact sensor for measuring the temperature of water pipes, for heating and cooling systems. The sensor is mounted on the pipe with an adjustable hose clamp.

Universal thermostat CMT-24/230V, Calectro

Universal thermostat CMT-24/230V, Calectro

Art. no.: 8581819

Timer LAP 5E, PRODUAL

Timer LAP 5E, PRODUAL

Art. no.: 19059877

Electronic timer LAP 5E from Produal for extended operation by pressing a button. LED lights indicate time.
Power supply 24 Vac / 230 Vac, 2 VA
Measurement range 1, 2, 3, 4, or 5 hours
Accuracy (time) ±10 s/hour
Relay output 250 Vac, 8 A, res., potential-free changeover contact
IP protection class IP20
For flush mounting, can also be mounted externally with a mounting frame (not included)

Motor Protection STDT 16, Systemair

Motor Protection STDT 16, Systemair

Art. no.: 19055557

STDT 16 for wall mounting breaks the supply voltage to the motor if the thermocouple in the motor windings is tripped.
The motor protection is connected to 400 V and the thermocouple in the motor.
Recovery of the motor protection is carried out by pressing the black button, which is possible as soon as the windings in the motor have cooled sufficiently.
The motor protection can also be mounted together with a transformer.
As an accessory, alarm contact K is available with built-in potential-free connector for external signal in the event of a triggered relay.

Damper Motor - Belimo SM230ASR

Damper Motor - Belimo SM230ASR

Art. no.: 6631516

Damper actuator for control of the damper in ventilation systems
For dampers up to and including approx. 4 m2
Torque 20 Nm
230 V AC
0...10 V continuous control signal
2...10 V DC measurement voltage
Technical data

Damper Motor GCA121.1E, Rotating, 2-Mode, Siemens

Damper Motor GCA121.1E, Rotating, 2-Mode, Siemens

Art. no.: 6631550

Electromechanical damper actuator with twisting movement for 2-mode, 3-mode and continuous running. Nominal torque 18 Nm. Spring return for fast shutting function.
Self-centreing axle adapter. Mechanically adjustable working range 0...90°. 0,9 m long connected cable. Type-specific variance with adjustable starting points and working areas for setting signal, position indicator, feedback potentiometer and adjustable auxiliary contacts for additional functions.

Damper Motor GCA126.1E/09H, Rotating, 2-position, Siemens

Damper Motor GCA126.1E/09H, Rotating, 2-position, Siemens

Art. no.: 6631551

With 2 auxiliary contacts.

Damper Motor GMA121.1E, Rotating, 2-Mode, Siemens

Damper Motor GMA121.1E, Rotating, 2-Mode, Siemens

Art. no.: 6631554

Electromechanical damper actuator with twisting movement for 2-mode, 3-mode and continuous running. Nominal torque 7 Nm. Spring return for fast shutting function. Self-centreing axle adapter.
Mechanically adjustable working range 0...90°. 0,9 m long connected cable. Type-specific variance with adjustable starting points and working areas for setting signal, position indicator, feedback potentiometer and adjustable auxiliary contacts for additional functions.

Damper Motor GMA321.1E, Rotating, 2-Mode, Siemens

Damper Motor GMA321.1E, Rotating, 2-Mode, Siemens

Art. no.: 6631555

Electromechanical damper actuator with twisting movement for 2-mode, 3-mode and continuous running. Nominal torque 7 Nm. Spring return for fast shutting function. Self-centreing axle adapter.
Mechanically adjustable working range 0...90°. 0,9 m long connected cable. Type-specific variance with adjustable starting points and working areas for setting signal, position indicator, feedback potentiometer and adjustable auxiliary contacts for additional functions.

Socket for sirens and lightning, Calectro

Socket for sirens and lightning, Calectro

Art. no.: 19033809

Flashlight with Xeon light source, 10Cd , 1Hz , IP54 , -25° till +70° , power supply 10-60VDC. With base SOCK-H-R-230V and can also 230V be connected to AC. 93x65mm

Thermostat for temp. control via fan

Thermostat for temp. control via fan

Art. no.: 9302340

Electronic thermostat for surface mounting. Can be used together with PAX fans without automatic control. The thermostat is set to the temperature at which you want the fan to start. The fan then continues until the excess heat in the room has been moved . 230V 50Hz/ IP30/CE.

Rotational speed and power controller Pax

Rotational speed and power controller Pax

Art. no.: 9302447

For surface or recessed mounting. (Supplied with basic box for surface mounting). Splash proof design. The speed control allows a reduced flow or forcing possibility. Fits the following fans: PAX 90, Viaduct, Duct fan 100, Duct fan 125. Can effectively be used for power and temperature control of towel dryers in the PAX TR range.

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