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Siemens QRB1A-A148B70B Photocell
Interval from start-up to the beginning of the air pressure check: 11
5 - -5 kPa (50
QRB1A-A050B40A1 - Photoresistive flame detector
AR2B2002-S Features
Siemens SQM41.165R11 Servo Motor | Actuator model_skp25_201e2 Siemens QRB1A-A148B70B PhotocellThe SQM41. 165R11 is a spring return damper actuator designed for emergency shutdown systems in HVAC and industrial applications. It features a 10mm servo shaft diameter and operates with a clockwise rotation. With a servo torque of 5 Nm and a run time of 15 seconds to 90 degrees, this actuator provides reliable performance. It operates at 120V AC and includes 1 auxiliary switch for enhanced control options. The actuator is housed in a NEMA 4
