SH24A-MP300 Linear Damper/Valve Actuator, AC/DC 24 V - Belimo

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The Belimo SH24A-MP300 is a kind of Actuator used in HVAC applications and air ventilation systems.

The Torque used by the SH24A-MP300 is 450 N.

This Belimo Actuator requests a power supply of 24Vac/Vdc.

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SH24A-MP300 Linear Actuator, AC/DC 24 V

• Linear actuator with rack
• 450 N, 150 s/100 mm adjustable
• AC/DC 24 V, modulating, MP-Bus
• Stroke range 0...300 mm, adjustable
• Manual override can be locked
• Operating range DC 2...10 V, 0...32 V adjustable
• Position feedback DC 2...10 V, 0...10 V, adjustable
• Connection cable PVC 1 m

Mode of operation: Conventional operation: The actuator is connected with a standard modulating signal of DC 0...10V and drives to the position defined by the positioning signal. Measuring voltage U serves for the electrical display of the damper position 0...100% and as slave control signal for other actuators. Operation on the MP-Bus: The actuator receives its digital positioning signal from the higher level controller via the MP-Bus and drives to the position defined. Connection U serves as communication interface and does not supply an analogue measuring voltage.

Converter for sensors: Connection option for a sensor (passive or active sensor or switching contact). The MP actuator serves as an analogue/digital converter for the transmission of the sensor signal via MP-Bus to the higher level system.

Parameterisable actuators: The factory settings cover the most common applications. Single parameters can be modified with the Belimo Service Tools MFT-P or ZTH EU.

Simple direct mounting The actuator can be directly connected with the application using the enclosed screws. The head of the gear rod is connected to the moving part of the ventilating application individually on the mounting side or with the Z-KS1 coupling piece provided for this purpose.

Manual override Manual override with push-button possible (the gear is disengaged for as long as the button is pressed or remains locked).

Adjustable stroke If a stroke limitation will be adjusted, the operating range on this side of the gear rod can be used starting with an extension length of 20 mm and then can be limited respectively in increments of 20 mm by means of the mechanical end stops Z-AS1.

High functional reliability The actuator is overload protected, requires no limit switches and automatically stops when the end stop is reached.

Home position: The first time the supply voltage is switched on, i.e. at the time of commissioning, the actuator carries out a synchronisation. The synchronisation is in the home position (0%). The actuator then moves into the position defined by the positioning signal.

Adaption and synchronisation An adaption can be triggered manually by pressing the “Adaption” button or with the PC-Tool. Both mechanical end stops are detected during the adaption (entire setting range). Automatic synchronisation after pressing the gearbox disengagement button is configured. The synchronisation is in the home position (0%). The actuator then moves into the position defined by the positioning signal. A range of settings can be adapted using the PC-Tool (see MFT-P documentation)

Electrical data:

• Nominal voltage AC/DC 24 V
• Nominal voltage frequency 50/60 Hz
• Nominal voltage range AC 19.2...28.8 V / DC 21.6...28.8 V
• Power consumption in operation 3.5 W
• Power consumption in rest position 1.4 W
• Power consumption for wire sizing 6 VA
• Connection supply / control Cable 1 m, 4 x 0.75 mm²
• Parallel operation Yes (note the performance data)

Functional data:

• Actuating force motor Min. 450 N
• Modifiable actuating force 25%, 50%, 75% reduziert
• Positioning signal Y DC 0...10 V
• Positioning signal Y note Input impedance 100 kΩ
• Control signal Y variable Open-close, 3-point (AC only) and Modulating (DC 0...32 V)
• Operating range Y DC 2...10 V
• Operating range Y variable Start point DC 0.5...30 V and End point DC 2.5...32 V
• Position feedback U DC 2...10 V
• Position feedback U note Max. 0.5 mA
• Position feedback U variable Start point DC 0.5...8 V and End point DC 2.5...10 V
• Position accuracy ±5%
• Direction of motion motor Selectable with switch
• Direction of motion note Y = 0 V: with switch 0 (retracted) / 1 (extended)
• Direction of motion variable Electronically reversible
• Manual override With push-button, can be locked
• Length of Stroke Max. 300 mm, adjustable in 20 mm increments
• Stroke limitation can be limited on both sides with mechanical end stops
• Running time motor 150 s / 100 mm
• Motor running time variable 150...600 s / 100 mm
• Adaption setting range manual
• Adaption setting range variable No action, Adaption when switched on, Adaption after pushing the gear disengagement button
• Override control MAX (maximum position) = 100%, MIN (minimum position) = 0% and ZS (intermediate position, AC only) = 50%
• Override control variable MAX = (MIN + 32%)...100%, MIN = 0%...(MAX – 32%) and ZS = MIN...MAX

Safety:

• Sound power level motor 52 dB(A)
• Safety Protection class IEC/EN III Safety extra-low voltage
• Protection class UL UL Class 2 Supply
• Degree of protection IEC/EN IP54
• Degree of protection NEMA/UL NEMA 2, UL Enclosure Type 2
• EMC CE according to 2014/30/EU
• Certification IEC/EN IEC/EN 60730-1 and IEC/EN 60730-2-14
• Certification UL cULus according to UL 60730-1A, UL 60730-2-14 and CAN/CSA E60730-1:02
• Mode of operation Type 1
• Rated impulse voltage supply / control 0.8 kV
• Control pollution degree 3
• Ambient temperature -30...50°C
• Non-operating temperature -40...80°C
• Ambient humidity 95% r.h., non-condensing
• Maintenance Maintenance-free
• Mode of operation Type 1
• Rated impulse voltage supply / control 0.8 kV
• Control pollution degree 3
• Ambient temperature -30...50°C
• Non-operating temperature -40...80°C
• Ambient humidity 95% r.h., non-condensing
• Maintenance Maintenance-free

Weight: 1.3 kg