Siemens
Siemens 3UA5800-2E Thermal Overload Relay 25-40A
Siemens 3UA5800-2E Thermal Overload Relay, 25-40A, 1NO+1NC.
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Thermal overload protection
Adjustable current setting
Direct mounting
1 NO + 1 NC auxiliary contacts
Robust industrial design
Product description
The Siemens 3UA5800-2E is a thermal delayed overload relay designed for direct mounting onto Siemens contactors and starters. It provides reliable motor overload protection by tripping when motor current exceeds a set threshold.
This relay features an adjustable setting range of 25 to 40 Amperes and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for signaling purposes. Its robust design ensures dependable operation in industrial environments.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UA5800-2E to ensure you have the necessary components for your motor control applications. Trust Stanlo for quality surplus parts.
Technical specifications
| Type | Thermal Delayed Overload Relay |
| Setting Range | 25 to 40A |
| Auxiliary Contacts | 1 NO + 1 NC |
| Mounting | Direct onto contactor/starter |
| Manufacturer | Siemens |
Common applications
Motor control circuits
Industrial machinery
Pump protection
Fan protection
Conveyor systems
Manufacturing equipment
Compatible systems
Siemens Contactors (e.g., 3RT series)
Motor Control Starters
Industrial Control Panels
Also known as
Siemens 3UA5800 2E
3UA58002E
Siemens Thermal Overload Relay 25-40A
Replaces / compatible with
This overload relay is designed to be mounted on compatible Siemens contactors. It replaces older or worn overload units, ensuring continued motor protection.
Technical note
Expert tip
Ensure the ambient temperature in the mounting location is considered, as extreme temperatures can affect the tripping accuracy of thermal overload relays.What happens next?
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2
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3
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Frequently asked questions
What is the adjustable current setting range for the Siemens 3UA5800-2E overload relay?
The Siemens 3UA5800-2E thermal delayed overload relay has an adjustable current setting range from 25 Amperes to 40 Amperes. This allows for precise calibration to protect motors of various sizes.