| Attribute | Value |
|---|---|
| Product Name | Siemens 6SE7021-2EP87-0FB1 SIMOVERT Filter |
| Brand | Siemens |
| Model Number | 6SE7021-2EP87-0FB1 |
| Voltage | 380-480V |
| Frequency | 50/60Hz |
| Current | 3×12A |
| Product Code | 25/085/21 |
| Ambient Temperature | Tamb= 45°C |
| Serial Number | 08374 |
| Weight | 6.060kg |
What is Siemens 6SE7021-2EP87-0FB1 RFI Line Filter?
SIEMENS 6SE7021-2EP87-0FB1 is an RFI Line Filter that minimizes electromagnetic interference (EMI) and provides protection for clean power supply in drive and automation systems. The RFI filter is one of Siemens’ best-selling lines of electrical interference suppression devices, used globally across industrial automation, marine environments, and drive technology.
Being part of the Siemens SIMOVERT MASTERDRIVES family, this RFI filter makes the system EMC (Electromagnetic Compatibility) standard compliant. It’s designed for durable performance, providing noise suppression at high frequencies, safeguarding delicate devices, and extending the life of electronic components.
Features
Following are the features that make this filter a must-have in industrial settings:
Efficient EMI/RFI suppression – Suppresses conducted and radiated interference.
Heavy current and voltage handling – Built for demanding industrial applications.
DIN rail mounting – Allows fast and simple integration into control panels.
Thermal and overloading protection – Guarantees device safety and durability.
Rugged and compact design – Suitable for application in limited enclosures and aggressive environments.
Support for Siemens MasterDrive systems – Seamless integration with present Siemens drives.
EMC regulation compliance – Complies with industrial standards around the world.
Applications of Siemens RFI Line Filters
The 6SE7021-2EP87-0FB1 RFI filter finds applications in several industries that require clean electrical signals and stable control systems. The following are the most important applications:
Industrial Automation
Applied in programmable logic controller (PLC) and drive controller systems to eliminate noise and provide smooth functioning of attached motors and control logic.
Marine and Offshore Systems
Prevents EMI-related failures in sensitive shipboard navigation and control systems, providing reliable performance for marine automation.
Drive and Motor Systems
Critical in variable frequency drives (VFDs) and servo drives, where electrical noise may disrupt motor control accuracy.
Control Panels and Electrical Cabinets
Used in industrial control panels to guard against EMI leakage into or out of the cabinet and protect external devices and internal components equally.
Why Choose Siemens 6SE7021-2EP87-0FB1?
Choosing the Siemens 6SE7021-2EP87-0FB1 RFI Filter means investing in reliability, global compliance, and long-term cost savings. Here’s why it’s the preferred choice among professionals:
Superior Protection – Shields your automation and control systems from unpredictable EMI-related failures.
Trusted Siemens Engineering – Backed by Siemens’ decades-long legacy in industrial automation.
Global Compliance – Ensures your systems meet international EMC guidelines.
Fast Installation – Easy to use and minimal integration downtime.
Saves Downtime and Maintenance – Protecting devices from EMI damage saves repair and replacement money.
