E31NRHT-LDN-M3-00

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The E31NRHT-LDN-M3-00 is a NEMA 34 hybrid stepper motor with a holding torque of 344 oz-in (2.43 Nm). Manufactured by Kollmorgen as part of their E Hybrid Stepper Motors series, it features splashproof construction and a winding type designed for maximum torque at high speed. It has a phase resistance of 0.13 Ohms.

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Product Description:

The E31NRHT-LDN-M3-00 Hybrid Stepper Motor from Kollmorgen provides dependable performance with exact motion control. It supports rigorous operations across several systems and is built for applications needing accuracy and great torque.

the E31NRHT-LDN-M3-00 hybrid stepper motor comprises three rotor stacks for maximum torque generation and also a NEMA 34 frame that has a 3.38 inches diameter. Its mechanical and electrical characteristics guarantee automated systems' running performance. While preserving structural integrity for industrial automation needs, the motor guarantees effective power supply. Double ended, the shaft configuration is appropriate for encoder mounting—more especially, for size 3 and 4 constructions using R or C types. Mounting that supports thermal efficiency throughout extended use results in a thermal resistance evaluated at 3.9 °C / Watt. Different mechanical loads are accommodated by the strong shaft loading capacity. Fitting sizes 3 and 4, this structure is splashproof with a terminal board connection via a PG11 metric conduit connector. The shaft is straight key-modified, suitable for sizes 3 and 4 with mounting arrangement H. The product's winding is designed to deliver Maximum torque at high speeds. Rating at 344 ounces, the holding torque of the module offers consistent alignment under load.

The Kollmorgen E hybrid stepper motors are made up of six leads connection for flexible integration. Having a phase inductance of 1.1 mH and a phase resistance of 0.13 Ohms, the rated current per phase is 8.4 Amperes DC. With 0.0083 oz-in-s², the rotor inertia improves responsiveness in dynamic operations. The features of the motor are specifically designed to satisfy the needs of precision driven applications guaranteeing dependability and efficiency in motion control systems.

Construction/Connection
Splashproof via PG11 conduit connector (sizes 3,4)
Encoder Option
BEI mounting provision; requires shaft config D
Frame Size
NEMA 34 (3.38 in dia)
Holding Torque
344 oz‑in (2.43 Nm)
Lead Connections
6 leads
Phase Inductance
1.1 mH
Phase Resistance
0.13 Ω
Rated Current/Phase
8.4 A DC
Rotor Inertia
0.0083 oz‑in·s²
Rotor Stacks
3
Shaft
Double‑ended for encoder
Shaft Axial Load
180 lb (801 N)
Shaft Modification
Straight key
Shaft Radial Load
35 lb (156 N)
Thermal Resistance (mounted)
3.9 °C/Watt
Winding Type
Max torque at high speed

Frequently Asked Questions about E31NRHT-LDN-M3-00:

Q: What is the benefit of the double-ended shaft in the E31NRHT-LDN-M3-00 Hybrid Stepper Motor?

A: The double-ended shaft allows easy encoder mounting for precise feedback. This enhances motion control accuracy in automation systems.

Q: Why does the E31NRHT-LDN-M3-00 use a 6-lead connection instead of other configurations?

A: The 6-lead connection offers flexible wiring options for series or unipolar configurations. This allows adaptable voltage and torque performance.

Q: What is the purpose of the splashproof construction in the E31NRHT-LDN-M3-00?

A: The splashproof construction protects internal components from moisture and dust. This enhances reliability in environments with exposure to such elements.

Q: How does having three rotor stacks affect the E31NRHT-LDN-M3-00’s performance?

A: Three rotor stacks increase the motor’s torque output without increasing its size. This supports high-performance applications requiring strong rotational force.

Q: Why is a BEI encoder mounting provision included in the E31NRHT-LDN-M3-00?

A: The BEI encoder mounting provision enables precise positioning and speed feedback. This improves accuracy in motion control applications.


Internal Product Review

  • ‘‘The E31NRHT-LDN-M3-00 Hybrid Stepper Motor delivers precise motion with 344 oz-in holding torque and 8.4A DC rated current. Its three rotor stacks ensure high torque output, while the straight key shaft modification adds mechanical stability. The 6-lead connection supports flexible system integration.’’

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