Siemens
Siemens 3UA5400-2Q Thermal Overload Relay
Siemens 3UA5400-2Q Thermal Overload Relay
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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
Thermal overload protection
Direct mounting
Adjustable high current setting
Auxiliary contacts for signaling
Robust construction
Product description
The Siemens 3UA5400-2Q is a thermal delayed overload relay designed for direct mounting onto Siemens contactors. It has an adjustable current setting range of 25A to 36A and includes one normally open (NO) and one normally closed (NC) auxiliary contact.
This relay is essential for protecting medium to larger industrial motors against overloads, phase failures, and unbalance. Its applications include heavy machinery, large pumps, compressors, and processing equipment in industrial settings.
Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3UA5400-2Q. We provide reliable and affordable industrial automation components to meet your operational needs.
Technical specifications
| Type | Thermal Delayed Overload Relay |
| Series | 3UA54 |
| Mounting | Direct mount onto contactor |
| Current Setting Range | 25-36A |
| Auxiliary Contacts | 1 NO + 1 NC |
Common applications
Medium/Large Motor Protection
Heavy Machinery
Large Pumps
Compressors
Industrial Processing
Manufacturing Automation
Compatible systems
Siemens 3RT contactors
Siemens Sirius line
Also known as
Siemens 3UA54 25-36A Overload
3UA54002Q Relay
Replaces / compatible with
Designed for use with Siemens 3RT contactors. Suitable for applications requiring higher current overload protection.
Technical note
Expert tip
This relay is suitable for use in ambient temperatures between -25°C to +70°C, offering wide operational capability.What happens next?
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3
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Frequently asked questions
What is the maximum adjustable current for the Siemens 3UA5400-2Q overload relay?
The Siemens 3UA5400-2Q overload relay has a maximum adjustable current setting of 36 Amperes, with a range starting from 25 Amperes. This makes it suitable for protecting larger motor loads.