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251A1700 - Actuator
Siemens QRB1A-A148B70B Photocell
Permissible maximum operating pressure (dynamic pressure) kPa: 150
fast closing speeds
90° / 17s
Siemens SQN91.140B1799 Damper Actuator Obsolete 251A1700 - ActuatorSQN91. 140B1799 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: Actuator Use: 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, LFL. In connection with 1 or 2 wire control or 3 position controllers. Specifications: Impact proof and heat
