Description
Servo drive Riello SQM21.16502, Part Number: 3012664 is used to move the air/gas damper when regulating the air/gas supply volume. It operates under the control of the burner automation, providing precise positioning in the range of 0-160°. It is used to equip gas and liquid fuel burners. The drive has a reinforced design, a wide range of opening angles, external indication, and is undemanding in maintenance.
Features and main characteristics:
power supply from the 220 V network, -15%, +10%;
available opening angle - 0..160°;
duration of movement at 90° / 130° - 29/42 sec.;
reliable operation regardless of voltage or load fluctuations;
protection of electrical components from dust / moisture according to the IP54 standard;
economical power consumption;
precise opening of the damper taking into account the settings and commands of the automation;
internal and external position indication;
2 limit switches;
5 additional switches for external devices;
easy adjustment of switching points;
prolonged-action lubrication of working units;
permissible operating temperatures: -20 ... + 60 ° C;
installation in any position;
service life - 250 thousand cycles.
Configuration
The Riello SQM21 servo drive for air dampers is assembled in a reliable housing with a base made of aluminum casting and a shock-resistant, heat-resistant polymer casing. The working unit is manufactured taking into account operation under heavy loads. The shaft rotates to the right. It is made of hardened steel, the gear transmission is made of nitrided steel. The gearbox is disconnected by pressing the lever. The synchronous reversible motor is protected from blocking.
Advantages:
wide opening angle of the damper;
reversible electric motor with blocking protection;
reinforced design for heavy loads;
electrical protection class IP 54;
economical power consumption;
external position indication;
mechanism that does not require maintenance.
Before buying the Riello SQM21 servo drive, you can get advice from our specialist on equipment selection and find out additional information about the technical/operational characteristics of the model you are interested in.
Characteristics

