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SQN70.224A20 Siemens SQN70.., SQN71.., SQN72.. series servo motor burner accessories
Shipping: International shipping available
Shipping time: Standar(10-20 business days), Rush(5-10 business days)
Discount: Get 2% discount on orders of USD $100.00,Get 3% discount on orders of USD $200.00
Handling time: Ships within 3 business days after receiving cleared payment
Returns: 7 days money back guaratee,buyer pays return shipping
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Servo motor SQN70..SQN71.. series
SQN70, 71… electric actuators, ie servo motors, are used for throttle control or air-fuel ratio control of small and medium oil or gas burners.
Running time 4.0S – 30S, holding torque 0.7…1.3 Nm. Cam control, gear clutch. Internal and external position indication with terminal and auxiliary switch for easy adjustment.
SQN70.. rotates counterclockwise, SQN71.. rotates clockwise.
Connection with P-PI or PID controllers, such as RWF40…. Direct connection of different types of combustion controllers, such as LOA.., LMO…, LMG… or LFL…
Structural features
1. Actuator housing – composed of pressure and heat resistant plastic housing. Color: SQN70, SQN71 white, SQN74, SQN75 black gray.
2. Drive motor: bidirectional rotary synchronous motor
3.Screw terminals
.4 Maintenance-free gear mechanism with clutch device
5. Built-in positioning mark
6.Easy-to-adjust limit switch and auxiliary switch
7.Integrated circuit circuit
Cam contact ground adjustment
8. Use an adjustable cam.
9. The scale on the side of the cam indicates the angle of the cam contact.
10. The cam can be adjusted manually or by using the included special wrench or similar tool.
Siemens SQN70.., SQN71.., SQN72.. series servo motor technical parameters:
| Model | Drawing number | Drive shaft type | 90° | Rated torque | Holding torque | Auxiliary switch | Relay | Shell length | Alternate Type Reference |
| Schedule time | Nm | ||||||||
| mm | |||||||||
| s | |||||||||
| SQN70.224A20 | 2 | 0 | 4 | 1.5 | 0.7 | 2 | 2 | 117 | — |
| SQN70.244A20 | 4 | 0 | 4 | 1.5 | 0.7 | 2 | 3 | 117 | SQN30.121A2700 |
| SQN70.264A20 | 6 | 0 | 4 | 1.5 | 0.7 | 2 | — | 80 | SQN30.101A2700 |
| SQN70.294A20 | 9 | 0 | 4 | 1.5 | 0.7 | 2 | 1 | 117 | SQN30.111A2700 |
| SQN70.324A20 | 2 | 0 | 6 | 1.5 | 0.7 | 2 | 2 | 117 | SQN30.151A2700 |
| SQN70.424A20 | 2 | 0 | 12 | 2.5 | 1.2 | 2 | 2 | 117 | — |
| SQN70.454A20 | 5 | 0 | 12 | 2.5 | 1.2 | 2 | 3 | 117 | — |
| SQN70.464A20 | 6 | 0 | 12 | 2.5 | 1.2 | 2 | — | 80 | — |
| SQN70.464A23 | 6 | 3 | 12 | 2.5 | 1.2 | 4 | — | 80 | — |
| SQN70.624A20 | 2 | 0 | 30 | 2.5 | 1.3 | 2 | 2 | 117 | — |
| SQN70.664A20 | 6 | 0 | 30 | 2.5 | 1.3 | 2 | — | 80 | SQN31.401A2700 |
| SQN70.664A23 | 6 | 3 | 30 | 2.5 | 1.3 | 2 | — | 80 | SQN30.401A2730 |
| SQN72.2A4A20 | A | 0 | 1.5 | 0.7 | |||||
| SQN71.224A20 | 2 | 0 | 4 | 1.5 | 0.7 | 2 | 2 | 117 | SQN31.151A2700 |
| SQN71.264A20 | 6 | 0 | 4 | 1.5 | 0.7 | 2 | — | 80 | SQN31.101A2700 |
| SQN71.424A20 | 2 | 0 | 12 | 2.5 | 1.2 | 2 | 2 | 117 | — |
| SQN71.444A20 | 4 | 0 | 12 | 2.5 | 1.2 | 2 | 2 | 117 | — |
| SQN71.454A20 | 5 | 0 | 12 | 2.5 | 1.2 | 2 | 3 | 117 | — |
| SQN71.464A21 | 6 | 1 | 12 | 2.5 | 1.2 | 2 | — | 80 | |
| SQN71.624A23 | 2 | 0 | 30 | 2.5 | 1.3 | 2 | 2 | 117 | — |
| SQN71.664A20 | 6 | 0 | 30 | 2.5 | 1.3 | 2 | — | 80 | SQN31.401A2700 |
| SQN71.694A20 | 9 | 0 | 30 | 2.5 | 1.3 | 2 | 1 | 117 | — |
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