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Siemens Combustion Controls

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Combustion control gas valves, control motors, flame safeguards, electronic burner management systems, temperature and leak test controls approved for use world wide. Siemens combustion products feature modular construction for single source simplicity. Component compatibility assures low installation and operating costs plus dependable, safe operation. Rigorous quality testing optimizes reliability and process performance.

SQM4

SQM4 Siemens Control Motor

SQM4

The SQM4 Synchro is an economical modulating actuator, the SQM4 Synchro has versions up to 90 in-lbs, with 12 or 25 second drive times for 90 degrees. Some of the benefits of the SQM4 Synchro actuator include:

  • NEMA 4 out of the box – No need for weather shields
  • No restrictions on mounting orientation – No more elaborate linkages to keep the shaft horizontal!
  • The modulating input version accepts 2-10 Vdc, 4-20 mA or 0-135 ohm control signals – one motor

Versions, 110V    Rotation    45 in-lb, 15 sec timing for 90 degrees

SQM40.144R11SC    ccw    4/20mA & 135ohm, 3/8″ Sq Shaft, UL-CE
SQM40.145R11SC    ccw    4/20mA & 135ohm, 10mm D type shaft, UL-CE
SQM40.164R11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq Shaft, UL-CE
SQM40.165R11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 10mm D type shaft, UL-CE
SQM40.174R10SC    ccw    Floating input, 3/8″ Sq Shaft, UL-CSA

Versions, 110V    Rotation    90 in-lb, 30 sec timing for 90 degrees

SQM40.241A11SC    ccw    4/20mA & 135ohm, 10mm keyed shaft, CE
SQM40.241R11SC    ccw    4/20mA & 135ohm, 10mm keyed shaft, UL-CSA
SQM40.244R11SC    ccw    4/20mA & 135ohm, 3/8″ Sq Shaft, UL-CSA
SQM40.245R11SC    ccw    4/20mA & 135ohm, 10mm D type shaft, UL-CSA
SQM40.261A11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm keyed shaft, CE
SQM40.261R11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm keyed shaft, UL-CSA
SQM40.264R11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq. shaft, UL-CSA
SQM40.265R11SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm D type shaft, UL-CSA
SQM40.271R10SC    ccw    Floating input, 10mm keyed shaft, UL-CSA
SQM40.274R10SC    ccw    Floating input, 3/8″ Sq Shaft, UL-CSA

ersions, 110V    Rotation    45 in-lb, 15 sec timing for 90 degrees

SQM41.144R11SC    cw    4/20mA & 135ohm, 3/8″ Sq Shaft, UL-CSA
SQM41.145R11SC    cw    4/20mA & 135ohm, 10mm D type shaft, UL-CSA
SQM41.164R11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq Shaft, UL-CSA
SQM41.165R11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 10mm D type shaft, UL-CSA
SQM41.174R10SC    cw    Floating input, 3/8″ Sq Shaft, UL-CSA

Versions, 110V    Rotation    90 in-lb, 30 sec timing for 90 degrees

SQM41.241A11SC    cw    4/20mA & 135ohm, 10mm keyed shaft, CE
SQM41.241R11SC    cw    4/20mA & 135ohm, 10mm keyed shaft, UL-CSA
SQM41.244R11SC    cw    4/20mA & 135ohm, 3/8″ Sq Shaft, UL-CSA
SQM41.245R11SC    cw    4/20mA & 135ohm, 10mm D type shaft, UL-CSA
SQM41.261A11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm keyed shaft, CE
SQM41.261R11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm keyed shaft, UL-CSA
SQM41.264R11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq. shaft, UL-CSA
SQM41.265R11SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 10 mm D type shaft, UL-CSA
SQM41.271R10SC    cw    Floating input, 10mm keyed shaft, UL-CSA
SQM41.274R10SC    cw    Floating input, 3/8″ Sq Shaft, UL-CSA

Versions, 230V    Rotation    90 in-lb, 30 sec timing for 90 degrees

SQM40.241A21SC    ccw    4/20mA & 135ohm, 10mm keyed shaft, CE
SQM40.244A21SC    ccw    4/20mA & 135ohm, 3/8″ Sq Shaft, CE
SQM40.261A21SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 10mm keyed shaft, CE
SQM40.264A21SC    ccw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq Shaft, CE

SQM41.241A21SC    cw    4/20mA & 135ohm, 10mm keyed shaft, CE
SQM41.244A21SC    cw    4/20mA & 135ohm, 3/8″ Sq Shaft, CE
SQM41.261A21SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 10mm keyed shaft, CE
SQM41.264A21SC    cw    Floating input, 1000 Ohm 90 deg. Pot., 3/8″ Sq Shaft, CE

Accessories

AGA57.5        Mounting Plate to match H’well MOD III
CA-SQM33/4x        Crank Arm Kit for SQM4x with 10 mm D shape shaft

Replacement Components

AGA45.11        1/2″ NPT Conduit Cover for SQM4 Synchro Actuator
AGA45.12        Metric Cable Gland Cover for SQM4 Synchro Actuator
AGA45.4        Replacement connectors for Electronic version SQM4 Synchro
AGA45.6        Replacement connectors for Bumping version SQM4 Synchro