Field Instruments

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: SQN31.111A2700
• 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
• Weight : 0.8 Kg

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