Siemens
Siemens 3RN1010-2CB00 Thermistor Motor Protection Unit
Siemens 3RN1010-2CB00 Thermistor Motor Protection Standard Evaluation Unit.
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12-Mo Warranty
Same-Day Dispatch
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🎖 Veteran-Owned
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Auto reset function
Thermistor input
1 NO + 1 NC auxiliary contacts
Spring-type terminals for quick connection
24V AC/DC operation
Product description
The Siemens 3RN1010-2CB00 is a standard evaluation unit for thermistor motor protection, featuring an AUTO function and one normally open (NO) + one normally closed (NC) contact. It operates on 24V AC/DC and utilizes spring-type terminals for faster installation.
This relay is crucial for protecting motors from thermal damage in demanding industrial applications such as conveyors, pumps, and processing machinery where reliable and quick connections are needed.
Stanlo Automation, a veteran-owned business, is your source for surplus and obsolete industrial automation parts, including the Siemens 3RN1010-2CB00, ensuring continuity for your critical equipment.
Technical specifications
| Type | Standard evaluation unit |
| Function | Thermistor motor protection |
| Reset | AUTO |
| Contacts | 1 NO + 1 NC |
| Voltage | 24 V AC/DC |
| Terminals | Spring-type |
Common applications
Motor thermal protection
Industrial automation
Control panels
Machine tools
Conveyor systems
Pump controls
Compatible systems
Compatible with Siemens Sirius motor protection relay systems and standard industrial control enclosures.
Also known as
Siemens 3RN1010-2CB00 relay
3RN1010-2CB00 motor protection
Siemens spring terminal thermistor relay
Replaces / compatible with
This is a phased-out product. The preferred successor is 3RN2010-2CA30.
Technical note
Expert tip
Spring-type terminals offer vibration resistance and are ideal for applications where frequent maintenance or component replacement is expected.What happens next?
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Frequently asked questions
What type of terminals does the Siemens 3RN1010-2CB00 use and what is its operating voltage?
The Siemens 3RN1010-2CB00 features spring-type terminals for easier and faster wiring. It operates on a 24V AC/DC power supply and includes an AUTO reset function with 1 NO + 1 NC auxiliary contacts.