The Siemens 3MU7210-1AA0 is a thermal overload relay designed for reliable motor overload protection and convenient mounting with compatible contactors. It is suitable for industrial motor control applications where dependable protection against sustained overload conditions is required.
With Class 10 trip characteristics and screw terminals, this Siemens overload relay is designed for practical installation in motor starter and control panel applications. Its contactor-mounted configuration helps simplify motor control assemblies and supports compact panel layouts.
The 3MU7210-1AA0 can be considered for applications such as industrial machinery, pumps, fans, compressors, conveyors, material-handling systems and general motor-driven equipment. Proper relay selection should be based on the motor's rated current and compatibility with the associated contactor and starter arrangement.
The Siemens 3MU7210-1AA0 can be used for motor protection in:
A thermal overload relay helps protect motors against prolonged overload conditions, helping reduce the risk of excessive motor heating and unwanted equipment downtime. The contactor-mounted design can also help panel builders create a more organized and space-efficient motor starter assembly.
For dependable operation, the overload relay should be correctly matched with the motor's full-load current, contactor and overall motor protection scheme.
SB Smart supplies industrial electrical and automation products to customers across India, including Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Ghaziabad, Manesar, Mumbai, Pune, Ahmedabad, Vadodara, Surat, Jaipur, Chandigarh, Ludhiana, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Indore and Lucknow, as well as other major industrial locations.
The Siemens 3MU7210-1AA0 can be considered by panel builders, OEMs, electrical contractors, system integrators, machine manufacturers, maintenance teams and industrial automation companies looking for Siemens thermal overload relay solutions.
1. What is Siemens 3MU7210-1AA0?
It is a Siemens thermal overload relay designed for motor overload protection and contactor mounting.
2. What is the trip class of 3MU7210-1AA0?
The product specification provided indicates Class 10.
3. How is the 3MU7210-1AA0 connected?
The product is specified with screw terminals for electrical connections.
4. Where is this thermal overload relay used?
It can be used in compatible motor starter and industrial control applications involving pumps, conveyors, fans, compressors, machinery and other motor-driven equipment.
5. Does the 3MU7210-1AA0 mount with a contactor?
Yes. It is specified for contactor mounting, making it suitable for compatible motor starter assemblies.
6. Can I buy Siemens 3MU7210-1AA0 from SB Smart?
Yes, SB Smart supplies Siemens industrial electrical products across India, subject to availability and order confirmation.
| Specification | Details |
|---|---|
| Product Name | Thermal Overload Relay |
| Brand | Siemens |
| Model Number | 3MU7210-1AA0 |
| SKU | 3MU7210-1AA0 |
| Product Type | Thermal Overload Relay |
| Current Setting Range | 23A – 32A |
| Trip Class | Class 10 |
| Mounting Type | Direct Mounting on 3MT7 Contactors |
| Compatible Contactor Series | Siemens 3MT7 |
| Contactor Size | Size 2 |
| Main Circuit Connection | Screw Terminals |
| Auxiliary Circuit Connection | Screw Terminals |
| Protection Functions | Overload Protection, Phase Failure Protection |
| Reset Type | Manual / Automatic Reset |
| Rated Operational Voltage | Up to 690V AC |
| Number of Poles | 3 Pole |
| Operating Principle | Thermal Bimetal Protection |
| Application | Three-Phase Motor Protection |
| Standards Compliance | IEC Motor Protection Standards |
| Industrial Use | Motor Starters, Control Panels, Automation Systems |
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