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SR3628-4799-3 Kollmorgen

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The Kollmorgen SR3628-4799-3 is a PMDC motor designed for continuous duty and is part of the SR and SRF Permanent Magnet Motors series. This motor has a rated power of 1.5 HP, a rated speed of 3000 RPM, and operates at 90 VDC. It features an SCR-rated control type and a TENV enclosure.

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Product Description:

The SR3628-4799-3 is a permanent-magnet DC motor produced by Kollmorgen and assigned to the SR and SRF Permanent Magnet Motors series. The unit functions as a compact prime mover that provides controlled rotary motion for material-handling gear trains, small hydraulic pump drives, or feeder mechanisms across automated production cells. When paired with a suitable electronic drive, it converts low-voltage direct current into consistent shaft output, giving machine builders a straightforward way to adjust speed and maintain torque without the complexity of brushless feedback loops. Its permanent-magnet design also reduces the number of external electrical connections required for operation.

The armature is designed for SCR-rated control, meaning the commutator tolerates the current ripple produced by silicon-controlled rectifier speed controllers commonly found in DC drive cabinets. The nominal supply voltage is 90 VDC, so a rectified 120 V mains source with proper filtering can power the motor. At the nominal voltage, the shaft can deliver 1.5 HP, allowing the motor to handle moderate mechanical loads while maintaining a compact frame size. The rated shaft speed is 3000 rpm, while the selected gear ratio determines the final output speed after the motor is coupled to the machinery. A continuous-duty rating allows sustained operation at full load when the motor is used within its permitted operating conditions.

Mechanical protection is provided by a TENV housing, which eliminates external airflow paths and helps prevent airborne contaminants from entering the motor. The enclosure relies on heat transfer through its exterior surfaces rather than airflow through the motor body. Magnetic excitation is provided by a permanent-magnet field, removing the need for an energized shunt coil and simplifying electrical wiring. The permanent-magnet DC design allows motor speed to vary approximately in proportion to armature voltage, simplifying analog speed-control systems. This operating behavior also allows tachometer feedback to remain optional in applications that do not require tightly regulated speed under changing loads.

Control Type
SCR-Rated
Duty Rating
Continuous
Enclosure
TENV
Field Type
PM
Motor Type
PMDC
Rated Power
1.5 HP
Rated Speed
3000 RPM
Rated Voltage
90 VDC

Frequently Asked Questions about SR3628-4799-3:

Q: What is the rated power output of the SR3628-4799-3 motor?

A: The SR3628-4799-3 is rated for 1.5 horsepower output during continuous operation.

Q: What is the rated speed of the SR3628-4799-3 permanent magnet motor?

A: This model operates at a rated speed of 3000 RPM.

Q: What is the rated voltage required for the SR3628-4799-3 motor?

A: The SR3628-4799-3 is designed to run on 90 VDC supply voltage.

Q: What type of enclosure does the SR3628-4799-3 motor use?

A: This motor features a totally enclosed non-ventilated (TENV) enclosure.

Q: What type of field design does the SR3628-4799-3 model have?

A: The SR3628-4799-3 motor is built with a permanent magnet (PM) field type.


Internal Product Review

  • ‘‘The SR3628-4799-3 is a PMDC permanent magnet motor that delivers smooth, efficient performance in demanding drive applications. Continuous-duty operation and a TENV enclosure make this unit a dependable choice for long-running industrial service.’’

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