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- 3RN2011-1BA30
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 3RN2011-1BA30
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Product Model3RN2011-1BA30
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Product ParametersTHERMISTOR MOTOR PROTECTION RELAY
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Tariff Code8537101190
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Country of originGERMANY
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size2.1x9.1x10cm
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ManufacturerSiemens
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Weight0.15 kg
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Contact ConfigurationDPDT
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Mount TypeDIN Rail
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Terminal TypeScrew
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IP RatingIP20
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Supply AC Voltage230V ac
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Contact Current5A
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Supply DC Voltage24 V dc
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Minimum Operating Temperature60°C
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Maximum Operating Temperature-25°C
Description
The 3RN2011-1BA30 is a Siemens SIRIUS thermistor motor protection relay to protect motors from thermal overload by monitoring PTC thermistor sensors. The 3RN2011-1BA30 is a standard evaluation unit housed in a compact 22.5 mm enclosure with screw terminals for secure electrical connections. The 3RN2011-1BA30 operates with a supply voltage of 24V AC/DC, providing flexibility for integration into both AC and DC control systems.
The 3RN2011-1BA30 features 2 change-over contacts (2 CO) for versatile output configuration, enabling the relay to be used in various motor protection and control circuits. The 3RN2011-1BA30 supports both manual and remote reset functions, allowing operators to reset the relay after a thermal trip either directly on the device or from a remote control station. The 3RN2011-1BA30 includes built-in wire break monitoring and short circuit monitoring for the sensor circuit, ensuring reliable detection of wiring faults and maintaining system integrity.
The 3RN2011-1BA30 features 2 change-over contacts (2 CO) for versatile output configuration, enabling the relay to be used in various motor protection and control circuits. The 3RN2011-1BA30 supports both manual and remote reset functions, allowing operators to reset the relay after a thermal trip either directly on the device or from a remote control station. The 3RN2011-1BA30 includes built-in wire break monitoring and short circuit monitoring for the sensor circuit, ensuring reliable detection of wiring faults and maintaining system integrity.
Alternative Names
3RN2011-1BA3O
3RN2011-IBA30
3RN201I-1BA30
3RN20I1-1BA30
3RN2O11-1BA30
3RN2OOO-IBA3O
3RN2011 1BA30
3RN2011 1BA3O
3RN2011 IBA30
3RN20II 1BA30
3RN2O11 1BA30
3RN20111BA30
3RN20111BA3O
3RN20IIIBA30
Information
Overview
Manuals
Application Notes
Product Applications
Wiring & Electrical Connection
Features:
- Dual-changeover contacts allow for various control options
- ATEX certification for safety in hazardous environments
- Current range from 0.2 to 1A for accurate monitoring
- Screw terminals provide secure and straightforward connections
- Galvanic isolation safeguards sensitive components
- LED indicators offer real-time status updates
The 3RN2011-1BA30 SIEMENS THERMISTOR MOTOR PROTECTION RELAY may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
SIEMENS 3RN2011-1BA30 THERMISTOR MOTOR PROTECTION RELAY Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The relay operates from 24 V AC/DC supply and features two change-over contacts (SPDT) for alarm and trip functions. It includes wire break and short circuit monitoring of the sensor circuit for diagnostic reliability. Two LEDs indicate READY (green) and TRIPPED (red) status. An integrated test/reset button allows manual reset, and remote reset is available via a control terminal.
The 3RN2011-1BA30 carries ATEX approval for use with PTC sensors in hazardous areas. Galvanic isolation between input and output circuits ensures safe operation in industrial environments. The 22.5 mm wide enclosure mounts on standard 35 mm DIN rail with screw terminals
- Chemical & Petrochemical Plants:Explosion-proof motor protection for pumps/mixers
- Oil & Gas Refineries:Hazardous area motor temp monitoring for upstream/downstream
- Food & Beverage Processing:Explosive organic dust protection for flour/sugar mills
- Woodworking & Sawmills:Overheating protection in sawdust-heavy environments
- Plastic Manufacturing:High-ambient temp protection for extruders/molding machines
- Water & Wastewater Treatment:Prevents overheating from dry running or clogged inlets
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Control Supply: Connect 24V AC/DC to terminals A1(+) and A2(-).PTC Sensor Circuit: Connect the motor's PTC thermistor sensors to terminals T1 and T2. The unit monitors this circuit for both open-circuits (wire breaks) and short-circuits.Output Contacts: Features 2 changeover (CO) contacts (terminals 11/12/14 and 21/22/24) for tripping contactors or sending alarm signals.Terminal Specs: Use screw-type terminals with a tightening torque of 0.6 to 0.8 N·m. It supports solid or stranded wires from 20 to 12 AWG.
Technical notes
The 3RN2011-1BA30 is ATEX approved, making it suitable for use in potentially explosive atmospheres, and features galvanic isolation for enhanced safety and noise immunity. The 3RN2011-1BA30 includes 2 LEDs (READY and TRIPPED) for clear visual indication of operational status and fault conditions.
FAQs
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What is the SIEMENS 3RN2011-1BA30?
+The Siemens 3RN2011-1BA30 is a standard SIRIUS thermistor motor protection relay. Designed for direct winding temperature monitoring using PTC sensors, it protects motors from overheating. from high-power motor cables to minimize interference. -
What is the 3RN2011-1BA30 supply voltage?
+It operates on a rated control supply voltage of 24 V AC/DC. -
What are the outputs?
+It is equipped with 2 changeover (CO) contacts for control and signaling. -
What kind of sensor monitoring does it provide?
+The unit includes integrated wire-break and short-circuit monitoring for the sensor circuit to ensure reliable fault detection.
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