Product Description

Siemens 3RN1010-1CB00 SIRIUS Thermistor Motor Protection Relay

The Siemens 3RN1010-1CB00 is a SIRIUS thermistor motor protection relay designed for monitoring PTC (Positive Temperature Coefficient) thermistors to protect motors against thermal overload. This standard evaluation unit features an automatic reset function and is suitable for applications requiring reliable motor temperature monitoring. It provides one normally open (NO) and one normally closed (NC) contact for signaling or control purposes. The device is compact and can be easily mounted on a standard DIN rail.

Technical Specifications:

Product Type: Thermistor Motor Protection Relay
Series: SIRIUS 3RN1
Rated Control Supply Voltage: 24 V AC/DC
Frequency of Control Supply Voltage: 50/60 Hz
Number of Sensor Circuits: 1 (for PTC type A thermistors)
Reset Type: Automatic RESET
Output Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
Mounting Type: Snap-on mounting onto 35 mm standard mounting rail, Screw mounting
Connection Type: Screw-type terminals
Ambient Temperature (Operation): -25 °C to +60 °C
Protection Class IP: IP20
Width: 22.5 mm
Height: 83 mm
Depth: 91 mm