PHOENIX CONTACT EMG 17-REL/KSR- 24/21-21-LC

Industrial Relay Module Product Description This Phoenix Contact EMG 17-REL series relay module is designed for reliable switching and electrical isolation in industrial control systems. Product Specifications – Manufacturer: Phoenix Contact – Type Number: EMG 17-REL/KSR- 24/21-21-LC – Order Number: 2940391 – Input Voltage: 24V AC/DC (-20% / +10%) – Output Contacts: 2x Changeover (2CO) – Max. Switching Voltage: 250V AC – Max. Continuous Current: 5A – Contact Material: AgCdO (Silver Cadmium Oxide) – Isolation: 4 kVeff (coil-contact) – Mounting: DIN rail Product Label Info Model Code / Product Markings: EMG 17-REL/KSR- 24/21-21-LC Application This relay module is suitable for various signal coupling and amplification tasks in industrial automation environments. Country of Origin This product is manufactured in Germany. Method of Application Install this module on DIN rails for space-saving and reliable operation in control systems. Safety Instructions Follow standard safety precautions for handling electrical equipment. Availability Order now from profideals, items in stock and ready for fast worldwide delivery. Need urgent and express delivery, sourcing, or repairs? Contact us now. Documentation Official datasheet or product page Phoenix Contact Resources Additional resources and manuals are available upon request. Contact us for details. Internal & External Links All products from Phoenix Contact Explore similar products in Electrical Power Transmission Frequently Asked Questions What is the Industrial Relay Module used for? This part is typically used in industrial control systems for signal coupling and amplification tasks. What are the key advantages of Industrial Relay Module? It offers reliable switching, electrical isolation, and space-saving installation on DIN rails. Is EMG 17-REL/KSR- 24/21-21-LC compatible with my system? If you’re using Phoenix Contact control systems, especially in industrial automation, then this model will likely be compatible. Contact us to verify. Alternatives to EMG 17-REL/KSR- 24/21-21-LC For similar functionality, consider other relay modules from Phoenix Contact or compatible brands. Can I sell my surplus stock to profideals? Yes, absolutely. Contact us for surplus stock recovery and resale options. Need Help? Call us at +31(0)165 20 11 80 or get in touch online. Last Update: 15/03/2026 profideals is not an authorized distributor of the products listed. Product names, trademarks, and logos belong to their respective owners. Our listings are for identification purposes only and do not imply affiliation or authorization.