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Festo EMMS-ST-57-S-SE-G2

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Marvo Stock ID MV-G9OI

HS Code 8501

SKU EMMS-ST-57-S-SE-G2

Warranty 12 months

Weight (kg) 0.97

Length (mm) 102.50

Width (mm) 56.40

Height (mm) 47.14

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Specification & Description

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Commonly Asked Questions

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Customer Reviews

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Specification & Description

Specification	Description
Part Number	EMMS-ST-57-S-SE-G2
Alternative Part Number	EMMSST57SSEG2
Manufacturer	Festo
Motor Type	Stepper Motor
Nominal Voltage	48 V DC
Nominal Current	5 A
Max. Rotational Speed	2,720 rpm (theoretical max. rotational speed while idling at nominal voltage)
Holding Torque	0.8 Nm
Stepper Angle	1.8 ±5%
Winding Resistance	0.15 ±10% Ω
Winding Inductance	0.5 mH
Output Mass Moment of Inertia	0.29/0.30 kgcm² (with brake)
Radial Load on Shaft	52 N
Axial Load on Shaft	10 N
Mass Moment of Inertia of Rotor	0.29 kgcm²
Brake Operating Voltage	24 ±10% V DC
Brake Power	8 W
Brake Holding Torque	0.4 Nm
Brake Mass Moment of Inertia	0.01 kgcm²
Response Delay	2/6 ms
Separation Time	10 ms
Encoder Type	Incremental
Encoder Measuring Principle	Opto-electrical
Pulses/Revolution	500 1/rev
Encoder Interface	RS422, TTL, AB channel, zero index
Encoder Operating Voltage	5 V DC
Protection Class	Motor Shaft: IP54, Motor Housing: IP65
Ambient Temperature	–10 … +50 °C
Storage Temperature	–20 … +70 °C
Relative Air Humidity	0 … 85% (non-condensing)
Certification	c UL us - Recognized (OL), RCM trademark
Materials Compliance	RoHS-compliant

The Festo EMMS-ST-57-S-SE-G2 is a high-performance stepper motor renowned for its precision and reliability in a variety of industrial applications. This motor is part of Festo's EMMS-ST series, which utilises 2-phase hybrid technology to deliver exceptional control and accuracy in motion tasks. With a nominal voltage of 48 V DC and a nominal current of 5 A, this stepper motor is designed to meet the demanding requirements of modern automation systems.

The EMMS-ST-57-S-SE-G2 features a holding torque of 0.8 Nm and a maximum rotational speed of 2,720 rpm, making it suitable for applications requiring both speed and holding power. The motor's stepper angle is 1.8 ±5%, ensuring precise positioning with each step. Additionally, the motor is equipped with an integrated encoder, providing feedback for closed-loop control and enhancing performance by preventing step losses and correcting current following errors.

This model boasts a robust construction with a protection class of IP54 for the motor shaft and IP65 for the motor housing, ensuring durability and resistance to dust and moisture in harsh industrial environments. The ambient operating temperature range of –10 to +50°C allows for reliable operation across various working conditions.

The EMMS-ST-57-S-SE-G2 is also RoHS-compliant, adhering to environmental standards and regulations. Its compatibility with a range of Festo gear units, motor controllers, and power supply units makes it a versatile component for system integrators and engineers looking to build or upgrade their automation solutions.

With its combination of performance, precision, and robustness, the Festo EMMS-ST-57-S-SE-G2 stepper motor is an excellent choice for applications such as CNC machinery, automated assembly lines, and precision positioning systems.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What are the key features of this stepper motor?

The stepper motor is a 2-phase hybrid technology unit with optional integrated encoder for closed-loop control and optional holding brake. It boasts a protection class of IP54, making it suitable for various industrial applications.

Can this stepper motor be used with a gear unit?

Yes, it can be paired with a planetary gear unit, specifically designed for compatibility with this motor size, offering various gear ratios and featuring life-time lubrication.

What are the environmental operating conditions for this stepper motor?

The motor is designed to operate within an ambient temperature range of –10 to +50°C and can be stored in temperatures ranging from –20 to +70°C. It also has an insulation protection class of B and a rated class of S1 according to EN 60034-1.

What type of encoder is integrated with this stepper motor?

The motor optionally comes with an integrated optical encoder that operates on a 5V DC supply, providing 500 pulses per revolution and featuring an RS422 protocol line driver.

What is the maximum rotational speed of this stepper motor?

The maximum rotational speed of the motor varies depending on the model size and voltage supply, but it is designed to achieve high speeds, with theoretical maximums while idling at nominal voltage.

How does the protection class of this motor benefit its operation?

With a protection class of IP54 for the motor shaft and varying for the motor housing, the stepper motor is well-protected against dust ingress and water splashes, enhancing its durability and suitability for challenging industrial environments.

What are the power requirements for the brake option of this stepper motor?

The holding brake, if present, operates on a 24V DC supply with a power consumption of 8 to 11 watts, depending on the motor size, and provides a reliable stopping and holding function.

Can this stepper motor be used with a motor controller?

Yes, it is designed to be used with a compatible motor controller, such as the CMMS-ST, which allows for precise control over position, speed, and torque, and corrects for any current following errors.

What types of loads can this stepper motor handle?

The motor is capable of handling both radial and axial loads on its shaft, with the capacity varying by size. This makes it versatile for different mounting orientations and operational demands.

Is the stepper motor RoHS-compliant?

Yes, the stepper motor adheres to RoHS standards, ensuring that it is manufactured with a restriction on the use of certain hazardous substances in electrical and electronic equipment.

Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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