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Harold Beck & Sons - The Beck 11-430 offers up to 5200 lb-ft of torque in a precise and reliable electronic control drive. The gear housing and crankarm of this rugged workhorse actuator have been redesigned using castings rather than fabricated parts. This has been done to provide even simpler more flexible mounting and a more efficient use of space.

The Beck 11-430 Electronic Control Drive provides up to 5200 lb-ft of torque for modulation of large dynamic loads such as multiple burner tilt arrays and large dampers. All of the flexibility, convenience, and reliability that distinguish Beck drives are included in the 11-430 high torque drive.

• The drive is offered with a wide selection of input control signals and output position feedback signals.

• A choice of control drive options includes: Full modulating control, drive to several preset positions, or simple open/close operation.

• Up to four 11-430 drives may be operated in parallel from the same input signal. They track precisely and coordinate complex loads such as burner tilt arrays.
• In the event of an AC power failure, a self-locking mechanism holds the load in place. A Handwheel is available to manually reposition the drive.
• If the input signal is lost (LOS), a choice of fail-safe modes of operation is available: The drive will stay in the place it was when the signal loss occurred, it will drive to an intermediate preset position, or it will drive to an end-of-travel position.
• In the event of a driven load stall condition, a Stall Protection Module (SPM) will shut off power to the drive's motor. A solid state relay in the SPM is available for annunciation of the stall. The SPM is easily reset when the stall condition is corrected.
• The crank arm may be positioned at any angle over a 360° range. For complete information on the 11-430 control options, specifications, drive/gear unit orientation and ordering information, consult the Beck Drive Specification Guide, or contact a Beck Sales Engineer at 215-968-4600.

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