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OVERVIEW
Official designation: Siemens 3RN1011-1BB00 (SIRIUS 3RN10, Thermistor Motor Protection Relay)
Role/Application: Standard evaluation unit for thermal motor protection, monitoring one PTC sensor circuit for overtemperature, providing manual/remote reset, and featuring a reclosing lockout function.
KEY SPECS SUMMARY
Power: 24 V AC/DC
Interfaces / Ports: Screw-type terminals, One measuring circuit
Indicators: LED
Operating Temp: -25 to 60 degrees C
Platform / Compatibility: DIN rail mounting, IP20 protection
Limit: Output Contacts: Two change-over (CO) contacts
Lifecycle: Phased-out (Successor is 3RN2011-1BA30)
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What are the primary resistance values defining the trip range for the PTC sensors?
A: The fixed trip threshold is between 3.4 and 3.8 kOhm.
Wiring & Installation:
Q: What are the main dimensions (Width x Height x Depth) of the 3RN1011-1BB00 relay?
A: The dimensions are 22.5 millimeters wide, 102 millimeters high, and 91 millimeters deep.
Troubleshooting & Compatibility:
Q: Does this relay include monitoring for faults in the thermistor circuit?
A: Yes, the 3RN1011-1BB00 features short-circuit and open-circuit detection.
Replacement & Upgrades:
Q: What is the preferred successor product for the phased-out 3RN1011-1BB00 model?
A: The preferred successor is the Siemens 3RN2011-1BA30 standard evaluation unit.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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