SR3736-3162-7-56C

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The Sr3736-3162-7-56C DC motor features a NEMA 42 frame size, standard round mounting configuration, and a shaft diameter of 0.7500 inches (19.05 mm). As part of the SR and SRF Permanent Magnet Motors by Kollmorgen, it delivers a radial force of 140 lbs and operates at 5 VDC ±10% input voltage.

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Product Description:

This DC Motor SR3736-3162-7-56C is a industrial motor designed for reliability and efficiency in demanding applications. This motor delivers 1/2 horsepower (HP) with a rated speed of 1750 RPM that ensures smooth and consistent operation.

The SR3736-3162-7-56C DC motor operates at 90 volts DC and draws 4.7 amps with a continuous duty rating (CONT.) that makes it ideal for applications requiring prolonged uninterrupted performance. This motor features a rugged cylindrical steel housing coated in a protective blue finish. This offers excellent resistance to wear, corrosion and harsh environmental conditions. Its flange mounted design combined with a durable shaft and high quality bearings ensures easy installation and integration into various systems. The construction of this motor minimizes vibration and noise that contributes to a quieter and more stable operation. This DC motor is well suited for a range of industrial uses including conveyor systems, machine tools and material handling equipment where consistent power and durability are critical.

This Kollmorgen SR3736-3162-7-56C DC motor operates using a full wave rectified control system that is regulated by a Silicon Controlled Rectifier (SCR). The SCR control provides precise modulation of the power supply that allows for efficient speed and torque regulation. The rectification process converts the AC input into a pulsating DC output to ensure continuous power delivery to the motor. The system maintains a maximum form factor of 1.4 that indicates the ratio of the RMS value to the average value of the output voltage which ensures smooth and stable motor performance with minimal ripple. The SCR control delivers a consistent output voltage of 90 volts DC to the motor that optimizes its operational efficiency and performance across varying load conditions.

Axial Force
400 lbs (1780 N)
Conduit Connection (l)
1/2 NPSC Tap with removable insulating bushing (0.56 I.D.)
Connector Type
MS Connector and Encoder Option
Frame Size
NEMA 42
Lines Per Revolution
500 or 1000
Maximum Length (l1)
10.56 inches (268.23 mm)
Mounting Configuration
Standard Round Mounting
Mounting To Aluminum Plate
10 in x 10 in x 1/4 in thick for torque ratings
Operating Voltage
5 VDC ±10%
Output Format
Dual Channel
Phase Inductance
Range 3.3-16.7 mH
Radial Force
140 lbs (623 N)
Rated Current Per Phase
Ranges vary based on configuration
Shaft Diameter
0.7500 inches (19.05 mm)
Thermal Resistance
1.3-1.8 °C/W (Mounted Typical)

Frequently Asked Questions about SR3736-3162-7-56C:

Q: Does the SR3736-3162-7-56C DC motor maintain stable performance under fluctuating load conditions?

A: Yes, this motor operates with an SCR-controlled full-wave rectified 90V DC system. The 1.4 maximum form factor ensures smooth power delivery reducing voltage ripple for consistent speed and torque regulation.

Q: What makes the SR3736-3162-7-56C DC motor suitable for industrial applications?

A: It delivers 1/2 HP at 1750 RPM for steady power output. Its flange-mounted design allows seamless integration into conveyor systems machine tools and material handling equipment requiring continuous and reliable performance.

Q: How does the SR3736-3162-7-56C DC motor ensure prolonged operation in demanding environments?

A: Its continuous duty rating (CONT.) supports long operational cycles without overheating. The rugged steel housing with a protective blue finish resists corrosion wear and harsh industrial conditions ensuring durability.

Q: How does the SR3736-3162-7-56C DC motor minimize operational noise and vibration?

A: Its high-quality bearings and precision-balanced shaft reduce mechanical vibrations for smoother performance. The flange-mounted design provides stability while the optimized construction lowers operational noise improving system efficiency.

Q: How does the SR3736-3162-7-56C DC motor efficiently regulate speed and torque?

A: The SCR-controlled rectification system converts AC input into pulsating DC power. This ensures precise modulation of power supply optimizing motor efficiency while maintaining stable output across varying operational loads.


Internal Product Review

  • ‘‘The Kollmorgen SR3736-3162-7-56C DC Motor offers 1/2 HP with a full-wave rectified 90V DC supply. Its steel housing enhances durability, while high-quality bearings reduce vibration. The maximum 1.4 form factor ensures smooth operation, making it ideal for conveyor systems and material handling applications.’’

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