Shipping includes tracking info worldwide. Best regards Klaus KLJ Trading.
Siemens 3UN2100-0AN7 thermistor motor protection relay designed for monitoring PTC thermistors in electric motors. Provides reliable overheating protection and automatic trip functionality. Removed from a working industrial environment and in good used condition.
Item details
Brand: Siemens
Model: 3UN2100-0AN7
Type: Thermistor motor protection relay (PTC relay)
Supply voltage: 220–240VAC, 50/60Hz
Function: Motor temperature monitoring via PTC sensors
Outputs:
1 NO contact (97-98)
1 NC contact (95-96)
Indicators:
“Ready” LED
“Tripped” LED
Standards: IEC / VDE compliant (see label)
Mounting: DIN rail
Made in Germany
Electrical ratings
AC-15: up to 3A @ 250V
AC-15: 1.5A @ 400V
DC-13: 2A @ 24V
Max current: 6A
Condition
Used, pulled from working equipment
Visible dust and signs of use
Terminals intact
Front indicators and markings clear
No original packaging
Notes
Designed for use with PTC thermistors embedded in motors
Trips relay when temperature threshold is exceeded
Widely used in industrial motor protection systems
