Ram Automations

Siemens 3Un21 Thermistor Motor Protection Relay 220-240V

SKU: RAMA138313
Product type: Industrial Automation > Motor Controls > Protection Relays
Limited Stock Remaining
Only 1 left in inventory — order soon or ask us about restock timing.

Need More Details?

If you'd like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

WhatsApp
OEM-Verified Parts
15+ Years Experience
Worldwide Shipping
Marine & Offshore Ready

Protect your motors with the Siemens 3Un21 Thermistor Motor Protection Relay, designed for 220-240V systems. This relay provides reliable protection against overheating and overload, ensuring the longevity and efficiency of your motors in industrial automation applications.

The Siemens 3Un21 uses a PTC thermistor for accurate temperature measurement, preventing costly damage. Ideal for integration into existing motor control systems, it offers seamless protection. What voltage range does it support The relay is compatible with 220-240V and 50/60Hz frequency.

  • Optimal Motor Protection: Prevents overheating and overload.
  • Accurate Temperature Measurement: Utilizes PTC thermistor technology.
  • Easy Integration: Compact design for simple installation.
  • Versatile Application: Suitable for various motor types.
  • User-Friendly Interface: Easy configuration and monitoring.

Specifications:
Voltage: 220-240V
Frequency: 50/60Hz
Rating: 3.53-ptc A G/9816

Trust Siemens for reliable motor protection. Ensure your motors operate at their best with the 3Un21 Thermistor Motor Protection Relay. Invest in superior protection today

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com