EMS DRV 400 – Maximum power and safety for demanding web guiding applications

EMS DRV 400

BST EMS DRV 400 is a high-performance, brushless actuator designed for web guiding applications requiring maximum power, accuracy, and operational safety. Delivering 14.000 N nominal force and up to 25.000 N maximum force, the EMS DRV 400 ensures precise and reliable movement even under extreme mechanical loads. The integrated Safe Torque Off (STO) safety function guarantees safe torque disconnection in case of emergency, while the maintenance-free drive system ensures long-term stability and efficiency.

Description

BST EMS DRV 400 is engineered for applications that demand high precision and heavy-duty performance. Its brushless electric motor with 750 W output powers a ball screw drive for smooth and accurate motion control.

With a nominal actuating force of 14.000 N and strokes up to 400 mm, EMS DRV 400 is ideal for industrial web guiding tasks in the paper, film, rubber, and textile industries. Its control cabinet with integrated electronics allows simple and safe connection to BST controllers. The built-in Safe Torque Off (STO) function ensures a safe shutdown of the drive torque in hazardous situations, providing an extra layer of safety for modern production environments.

EMS DRV 400 combines exceptional force output with precise motion control and integrated safety functions. Furthermore the brushless motor ensures long-term durability, while the Safe Torque Off (STO) function adds a critical safety feature. Thanks to its modular design and ready-to-connect architecture, EMS DRV 400 is ideal for both new installations and retrofit projects.

What are your values?

  • Extreme force capacity for heavy-duty applications
  • Integrated safety via STO function
  • Maintenance-free operation for maximum uptime
  • Easy integration with BST control units

EMS DRV 400 – Power, precision and safety for the most demanding web guiding applications

Technical details

Nominal positioning force

14.000 N

Nominal positioning speed

10 mm/s

Stroke lengths

± 100 | ± 150 | ± 200 mm

Power supply

230 V AC (4.5 A max.)

Communication

via power supply box
CAN bus to ekr

Certifications

CE, RoHS compliant

Protection class

IP 54


Download the product sheet

  • EMS DRV 400 product sheet
    More information about the actuator EMS DRV 400.
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Downloads

  • Web guiding brochure
    More information about our web guiding systems, components and functionality.
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  • EMS DRV 400 product sheet
    More information about the actuator EMS DRV 400.
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  • Declaration of conformity and incorporation
    Our actuators correspond to the declaration of conformity and incorporation.
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  • Brochures at a glance
    Get an overview about our product portfolio and download the needed brochures via QR code.
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Videos

Get to know our web guiding solutions

Precision in motion that’s where actuators make the difference. BST actuators translate control signals into accurate mechanical adjustments. Whether pivoting frames, linear guides, or high-speed actuators: they reposition the web quickly, powerfully, and with repeatable accuracy, even at high speeds or with demanding materials.
With robust construction, high dynamics, and precise controllability, these actuators ensure smooth, stable web guiding. They form the strong backbone of every web-guiding system.

EMS DRV 400 – Experience maximum power with maximum safety!

Stable web control is not possible without reliable actuators. Our systems work reliably with simple plug-and-play installation. Connect the web, switch on the power, and the control system is ready for use. Customers benefit from worldwide use in accordance with international standards. Particularly remarkable is the combination of robust technology and immediate readiness for use.

Ingo Ellerbrock
Product Management Guiding & Control

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