SR3624-8291-7-56BC

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The SR3624-8291-7-56BC permanent magnet DC motor features a rotor inertia of 0.0083 oz-in-s², a phase resistance of 0.13 Ohms, and thermal resistance of 1.8 °C/Watt. Part of the SR and SRF Permanent Magnet DC Motor Series by Kollmorgen, it offers an available encoder mounting option and standard NEMA front end bell configuration.

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Product Description:

The DC Motor SR3624-8291-7-56BC is a high performance motor designed for industrial automation applications. It ensures efficient power delivery and durability. It is built to withstand high thermal conditions with Class H insulation. This model ensures long term operation under demanding loads.

This Kollmorgen SR3624-8291-7-56BC DC motor operates at 1/4 HP and features a 56C NEMA frame for standardized mounting compatibility. It comes with a totally enclosed non-ventilated (TENV) enclosure. This offers protection from contaminants and ensuring reliable performance in harsh environments. This motor delivers a continuous current of 2.7 A and a continuous torque of 9.0 lb-in that is suitable for applications requiring steady torque output. Its peak current reaches 54.0 A while the torque constant is 3.9 lb-in/A. The winding resistance of this motor is 2.5 Ω. This value contributes to efficient energy conversion and minimal heat loss. This DC motor features an armature that is meticulously impregnated with high-quality polyester resin. This advanced impregnation process significantly enhances both the electrical and mechanical integrity of the motor. Electrically, the polyester resin provides superior insulation and improves thermal stability under varying load conditions. Mechanically, it reinforces the structural strength of the armature windings.

The SR3624-8291-7-56BC DC motor is compact yet robust and measuring 9.13 inches in length and weighs 18 lbs. This motor rotor’s inertia is 4.0 lb-in² that enables smooth acceleration and deceleration. This motor provides stable electrical performance with an inductance of 9.6 mH. The brush replacement part number YP00565 ensures easy maintenance and extended service life. This motor provides reliable and consistent performance. This model is an excellent choice for industrial automation, conveyors and machine tools where precision and durability are critical.

Dimensions - L1 Max
6.73 inches [170.94 mm]
Dimensions - L2
5.61 inches [142.49 mm]
Encoder Connector Option
Available
Encoder Mounting Option
Available
Maximum Axial Force
180 lbs (801 N)
Maximum Radial Force
35 lbs (156 N)
Motor Leads Number
4 Lead Motors: #18 AWG; 6 & 8 Lead Motors: #22 AWG Minimum
Phase Inductance
1.1 mH
Phase Resistance
0.13 Ohms
Removable Insulating Bushing
.56 I.D.
Rotor Inertia
0.0083 oz-in-s2 [0.0586 kg-m2 x 10-3]
Round Mounting Configuration - B.c.
3.875 inches [98.43 mm]
Round Mounting Configuration - Ø
2.186 ± .002 inches [55.52 ± 0.051 mm]
Standard Front Shaft Configuration
Standard NEMA Front End Bell
Thermal Resistance
1.8 °C/Watt

Frequently Asked Questions about SR3624-8291-7-56BC:

Q: What makes the Kollmorgen SR3624-8291-7-56BC DC motor suitable for harsh environments?

A: Its totally enclosed non-ventilated (TENV) enclosure protects against contaminants. This design ensures reliable performance in harsh and demanding industrial conditions.

Q: How does the SR3624-8291-7-56BC DC motor handle high thermal conditions?

A: The SR3624-8291-7-56BC features Class H insulation that withstands high thermal environments. This ensures long-term operation and durability under demanding industrial loads.

Q: How does the SR3624-8291-7-56BC DC motor maintain energy efficiency?

A: The motor’s winding resistance of 2.5 Ω supports efficient energy conversion. This minimizes heat loss and improves overall electrical performance.

Q: What contributes to the smooth operation of the SR3624-8291-7-56BC motor?

A: It has a rotor inertia of 4.0 lb-in² which enables smooth acceleration and deceleration. This ensures stable motion control in precision applications.

Q: How is the armature of the SR3624-8291-7-56BC DC motor designed for durability?

A: The armature is impregnated with high-quality polyester resin. This enhances electrical insulation and improves mechanical strength for long-lasting performance.


Internal Product Review

  • ‘‘The SR3624-8291-7-56BC DC motor by Kollmorgen delivers exceptional performance with 2.7 A continuous current and 9.0 lb-in continuous torque. Its 4.0 lb-in² rotor inertia ensures smooth motion, while the 9.6 mH inductance stabilizes electrical output. It features Class H insulation and a robust TENV enclosure.’’

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