Siemens
Siemens 3UA5900-2T Thermal Delayed Overload Relay
Siemens 3UA5900-2T Thermal Delayed Overload Relay
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
Thermal overload protection
Adjustable amp setting
1NO+1NC auxiliary contacts
Phase loss protection
High voltage rating
Product description
The Siemens 3UA5900-2T is a thermal-delayed overload relay designed for standalone installation. It features an adjustable setting range of 40 to 57 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact.
This relay is essential for protecting larger industrial motors and equipment from overcurrents and phase imbalances, ensuring reliable operation and preventing costly damage.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UA5900-2T. We provide dependable industrial automation components and support to meet your project needs.
Technical specifications
| Setting Range | 40-57A |
| Contacts | 1NO+1NC |
| Type | Thermal Delayed Overload Relay |
| Mounting | Single Unit Installation |
| Manufacturer | Siemens |
| Voltage Rating | 660 VAC |
Common applications
Large motor control
Industrial machinery
Manufacturing plants
Process control
Heavy equipment
Compatible systems
Siemens 3TF30-3TF46 contactors
Also known as
Siemens 3UA59-00-2T, 3UA59002T, Siemens thermal relay
Replaces / compatible with
This overload relay is part of the Siemens 3UA59 series and is designed for applications requiring specific thermal protection settings for larger motors.
Technical note
Expert tip
This relay is designed for standalone installation and is suitable for use with Siemens 3TF series contactors, offering flexibility in motor control configurations.What happens next?
1
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2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the maximum voltage rating for the Siemens 3UA5900-2T overload relay?
The Siemens 3UA5900-2T overload relay has a voltage rating of up to 660 VAC. This makes it suitable for a wide range of industrial power systems.