Description
General
The SQN3... / SQN4... actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, or for load-dependent control of the fuel or combustion air volume:
- In connection with P-PI or PID controllers, such as the RWF40...
- Directly via the different types of burner controls, such as LOA..., LMO..., LMG... or LFL...
- In connection with 1- or 2-wire control or 3-position controllers
Features
- Impact-proof and heat-resistant plastic housing
- Screw terminals for the electrical connections
- Maintenance-free gear train, which can be disengaged
- Internal and external position indication
- Easy-to-adjust end and auxiliary switches for setting the switching points
Specifications
- Make: Siemens
- Model: SQN31.401A3500
- Product Type : Actuator
- Main voltage : AC 220…240 V –15 % +10 %, AC 100…110 V –15 % +10 %
- Main frequency : 50...60 Hz ±6 %
- Primary fuse (external) : 6.3 AT (customer responsible for installation)
- Type of motor : synchronous motor
- Power consumption : 6.5 VA
- Angular position : max. 160°
- Mounting position : Optional
- Degree of protection : IP 40 to DIN 40050, provided adequate
- cable entries and fixing screws are used
- Safety class : I to VDE 0631
- Cable entry : threaded cable gland holder for 1 x Pg9 and 1 x Pg11, no locknut required, cable strain relief to be provided by the user (also refer to «Degree of protection»), Pg glands for all types are included in the delivery
Contacts and Delivery