Field Instruments

General

The SQN7... actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, for load-dependent control of the fuel and 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 LFL..., LME..., LMG..., LMO..., LOA...
• In connection with 1- or 2-wire control or 3-position controllers

Features

• Impact-proof and heat-resistant plastic housings
• Screw terminals for the electrical connections
• Maintenance-free gear train, which can be disengaged
• Internal position indication
• Easy-to-adjust end and auxiliary switches for adjusting the switching points
• Integrated electronic circuits

Specifications

• Make: Siemens
• Model: SQN71.664A20
• Product Type : Actuator
• Main voltage : AC 230 V –15% +10%, AC 115 V –15% +10%
• Main frequency : 50...60 Hz ±6%
• Drive motor : Synchronous motor
• Power consumption : 6 VA
• Angular adjustment : Max. 160°, scale range 0...130°
• Mounting position : Optional
• Degree of protection : IP40 to DIN 40050, provided adequate
• cable entries and fixing screws are used
• Safety class : II to DIN EN 60730
• Cable entry : Insertable threaded cable gland holder for
• 2 x Pg9, no locknut required
• Weight : 0.5 Kg

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk