Siemens SQM56.687A2 Servo motor | Actuator - 230v
Delivery and Shipping
Delivery and Shipping
Subject to stock availability, orders will be dispatched the same day on an 'Express Next Day' service if ordered before 1pm (UK Mainland).
Technical Support On Hand
Technical Support On Hand
We are fully prepared to assist you in selecting the correct part. Our experienced staff are available to provide support.
Siemens SQM56.687A2 Servo motor | Actuator - 230v
The SQM5 actuators are designed to drive air and gas dampers, areas of application are oil and gas burners of medium to larger capacity. The actuators are used primarily for the load-dependent control of the gas flow, oil volume and combustion air volume.
Can be used to replace a Honeywell Mod III or Mod IV actuator when used with the AGA57.3 bracket.
Features
- Two limit switches, plus up to four internal auxiliary switches
- Fully closed “economy position” switch
- Drive shaft and cam drum disengagement clutches
- Auto/manual switch, manual control forward/reverse toggle switch
- Field reversible clockwise (cw) or counterclockwise (ccw) operation
- Selection of field exchangeable single-ended and dual-ended shafts
- Mounting brackets to replace competitive actuators
- Connections for both base and face mounting
- Low hysteresis actuator and potentiometer gearing
- Externally visible position indication
- Selection of input and output signals
- Zero and span adjustment
- Field exchangeable circuit boards and potentiometers
- Electronic damper linearisation function
- Split range and selectable parallel or master/slave operation
- Adjustable input signal override function
Please Note:
Driveshafts for the SQM5x must be ordered separately, see the recommended products for the compatible driveshaft for this model.
Product Details:
By exchanging the 2 motor connecting cables, the actuator’s direction of rotation can be changed from counterclockwise to clockwise.


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Servo Shaft Diameter
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Servo Direction
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Servo Number of Auxiliary Switches
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Voltage
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Servo Run Time to 90 Degrees
All orders are processed within one business day (excluding weekends and holidays) after receiving your order confirmation email. Once your order has been shipped, you will receive a further email notifying you that it has been shipped.
Domestic Shipping Rates Parcels up to 20kg - £15 to UK mainland only (excludes Northern Ireland, Southern Ireland and the Channel Islands)
Parcels over 20kg - £65 to UK mainland only (excludes Northern Ireland, Southern Ireland and the Channel Islands) Shipping rates to Northern Ireland, Southern Ireland and the Channel Islands will be calculated and displayed at checkout.
International Shipping Rates All international shipping rates will be calculated and displayed at checkout. Your order may be subject to import duties and taxes (including VAT), which are incurred once a shipment reaches your destination country. Comtherm Ltd is not responsible for these charges if they are applied, and your responsibility as the customer.
Collection
If you would like to collect your order, please select collection at checkout, and your order will be prepared and ready for pick up within one hour.
Our collection hours are:
8am – 4:30pm Monday-Thursday
8am – 3pm Fridays
How do I check the status of my order?
When your order has shipped, you will receive an email notification from us, which will include a tracking number you can use to check its status. If you haven't received your order within two days of receiving your shipping confirmation email, please get in touch with us at sales@comtherm.co.uk with your company name and order number.
Refunds and Returns
We accept returns up to 30 days after delivery, if the item is unused and in its original condition, and we will refund the full order amount minus the shipping costs for the return.
In the event that your order arrives damaged in any way, please email us as soon as possible at sales@comtherm.co.uk with your order number and a photo of the item's condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution
If you have any further questions, please do not hesitate to contact us at spares@comtherm.co.uk.