Description
1. Product Description
The SEM SERVO MTS30M4-38C is identified in industrial spare-parts listings as a DC servo motor associated with the SEM/Servo Dynamics motor family. It is designed for controlled rotary motion in industrial machinery, including machine tools, automated production equipment, and motion-control systems.
The related MT30M4-38 motor specification lists a 140 VDC maximum terminal voltage, a maximum speed of 3,700 RPM, continuous stall torque of approximately 3.0 Nm, and continuous stall current of 8.6 A under the specified cooling conditions. Confirm these values against the nameplate and datasheet for the exact MTS30M4-38C variant before installation or replacement.
MTS30M4-38C
2. Product Parameters — Datasheet
Brand: SEM SERVO / Servo Dynamics
Model: MTS30M4-38C
Product Family: MT30M4 DC Servo Motor Family
Product Name: DC Servo Motor
Motor Type: Brushed DC servo motor
Maximum Terminal Voltage: 140 VDC for the related MT30M4-38 specification
Maximum Speed: 3,700 RPM for the related MT30M4-38 specification
Continuous Stall Torque: Approximately 3.0 Nm under specified cooling conditions
Continuous Stall Current: 8.6 A for the related MT30M4-38 specification
Torque Constant: Approximately 0.35 Nm/A for the related MT30M4-38 winding
Feedback: Tachogenerator availability and output depend on the specific configuration
Cooling Method: Confirm the motor’s rated cooling configuration
Dimensions: Verify using the motor drawing and nameplate
Weight: Approximately 7.3 kg for the related MT30M4-38 motor; exact variant to be confirmed
Place of Manufacture: Verify from the motor nameplate
Country of Origin: Not confirmed for this individual unit
Product Status: Confirm with supplier; used, refurbished, or surplus stock may be available
Power Requirements: Compatible DC servo drive; voltage and current ratings must match the motor specification
Discontinued: Lifecycle status of the exact MTS variant is not confirmed
Compatibility Check: Verify shaft dimensions, mounting flange, feedback device, wiring, and drive settings before ordering
3. Recommended SEM SERVO Models
The following models belong to or are related to the SEM DC servo motor range. They are comparison and sourcing candidates, not guaranteed direct replacements for MTS30M4-38C.
- SEM MT30M4-38 — Related 140 VDC brushed servo motor winding, with a published maximum speed of 3,700 RPM.
- SEM MT30M4-48 — Alternative MT30M4 winding with different voltage-gradient and speed characteristics.
- SEM MT30M4-59 — Higher voltage-gradient winding option in the MT30M4 family.
- SEM MT30M4-24 — Lower voltage-gradient winding option; verify its operating range before substitution.
- SEM MT30H4-33 — Related MT30-series DC servo motor for industrial motion applications.
- SEM MT30U4-36 — Alternative MT30-series motor with a different winding specification.
- SEM MT30U4-42 — Related DC servo motor option; verify dimensions and feedback configuration.
- SEM MT30Z4-61 — Higher voltage-gradient MT30-series motor with different speed characteristics.
- SEM MT30Z4-85 — Alternative MT30-series winding for applications requiring a different speed and torque profile.
- SEM MT40P4-61 — Larger-frame DC servo motor option for different mechanical and electrical requirements.
- SEM MT40W4-90 — Related SEM DC servo motor with a different winding and speed range.
- SEM MT40ZD4-60 — Alternative motor family option; confirm mounting and electrical compatibility.
- SEM MT40ZD4-90 — Related MT40-series motor for applications requiring different torque and speed characteristics.
- SEM MT52V8-69 — Larger SEM DC servo motor option with a different frame and winding configuration.
- SEM MT52V8-87 — Alternative larger-frame motor for applications with different speed and torque requirements.
Always match the complete model code and nameplate data. Motors with similar series names may differ in winding voltage, maximum speed, shaft dimensions, feedback equipment, and drive compatibility.
