SR3640-3014-7-48BM

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The SR3640-3014-7-48BM permanent magnet DC motor delivers a holding torque of 839 oz-in, a rated current per phase of 10.6 Amps, a phase resistance of 0.16 Ohms, and features a splashproof frame construction. Part of the SR and SRF Permanent Magnet DC Motor Series by Kollmorgen, it supports axial shaft loading up to 400 pounds.

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Product Description:

The model SR3640-3014-7-48BM is a DC Motor designed for continuous duty applications. This motor operates at 170 V DC and a current rating of 2.5 A. It features a permanent magnet field for efficient operation and delivers a speed of 2000 RPM with a power output of 0.5 HP.

This SR3640-3014-7-48BM DC motor ensures reliable performance with its continuous-duty rating. The internal thermal overload protection in this motor prevents overheating. The thermal overload device is integrated through lead wires or rear endbell terminal connections depending on the motor’s configuration. However, it does not handle motor current directly and is intended for pilot duty only. This device must be interlocked with an external relay to ensure proper operation. This motor eliminates the need for external field excitation with a permanent magnet field. This reduces complexity and improving energy efficiency. The 170 V DC voltage rating allows compatibility with various power sources. This DC motor features long life constant force brush springs that maintain consistent contact pressure and optimizes efficiency. The brushes are field replaceable that allows easy maintenance and extended service life. The durable construction combined with internal thermal protection makes this motor a reliable choice for applications requiring continuous operation and temperature control.

This Kollmorgen SR3640-3014-7-48BM DC motor is designed with a Totally Enclosed Non Ventilated (TENV) enclosure. This enclosure provides excellent protection against dust, dirt, moisture and other environmental contaminants. It is also equipped with a rugged fused commutator that ensures enhanced durability and reliable performance even under heavy loads or continuous operation. This motor should only be operated with the accessories specifically recommended or provided by the manufacturer. Using the designated accessories ensures optimal performance, enhances safety and helps maintain the longevity of the motor.

Encoder Operating Temperature
-40°C to 100°C
Encoder Output Format
Dual Channel Quadrature with Index (Z)
Encoder Type
Optical Incremental
Frame Construction
Splashproof
Holding Torque (2 Phases On)
839 oz-in (5.92 Nm)
Lines Per Revolution (encoder)
500 or 1000
Phase Inductance
3.1 mH (Typical)
Phase Resistance
0.16 Ohms ±10%
Rated Current / Phase
10.6 Amps
Rotor Inertia
0.08 oz-in-s² (0.565 kg-m² × 10⁻³)
Shaft Loading - Axial Force
400 lb (1780 N)
Shaft Loading - Radial Force
140 lb (623 N)
Supply Voltage For Encoder
5 VDC ±10%
Thermal Resistance (mounted)
1.8 °C/Watt
Weight
10.9 lb (4.94 kg)

Frequently Asked Questions about SR3640-3014-7-48BM:

Q: How does the SR3640-3014-7-48BM DC motor prevent overheating during continuous operation?

A: The SR3640-3014-7-48BM features internal thermal overload protection that prevents overheating. It uses lead wires or rear endbell terminal connections depending on the motor’s configuration.

Q: Does the SR3640-3014-7-48BM require external field excitation for operation?

A: No, the SR3640-3014-7-48BM uses a permanent magnet field which eliminates the need for external field excitation. This simplifies the motor design and improves energy efficiency.

Q: What makes the SR3640-3014-7-48BM suitable for harsh environments?

A: The SR3640-3014-7-48BM has a Totally Enclosed Non-Ventilated (TENV) enclosure. It offers strong protection against dust, dirt, moisture, and other environmental contaminants.

Q: How is maintenance simplified in the SR3640-3014-7-48BM DC motor?

A: The SR3640-3014-7-48BM includes long-life constant force brush springs and field-replaceable brushes. This design ensures easy maintenance and extends the service life of the motor.

Q: Can the SR3640-3014-7-48BM DC motor handle high load conditions effectively?

A: Yes, the SR3640-3014-7-48BM is equipped with a rugged fused commutator. This feature enhances durability and ensures reliable performance even under heavy load conditions.


Internal Product Review

  • ‘‘The Kollmorgen SR3640-3014-7-48BM DC motor offers exceptional performance with its permanent magnet field, 2000 RPM speed, and 0.5 HP power output. Its internal thermal overload protection enhances safety, while the rugged fused commutator ensures durability. The TENV enclosure provides environmental protection for continuous-duty applications.’’

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