Siemens
Siemens 3UA5900-0E Thermal Delayed Overload Relay
Siemens 3UA5900-0E Thermal Delayed 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
Wide setting range for small motors
1NO+1NC auxiliary contacts
Single unit installation
Phase loss protection
Product description
The Siemens 3UA5900-0E is a thermal-delayed overload relay designed for installation as a single unit. It features an adjustable setting range of 0.25 to 0.4 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact.
This relay is essential for protecting small electric motors and circuits against overcurrent conditions. It's commonly used in applications requiring precise protection for low-power machinery and equipment.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UA5900-0E. We provide reliable industrial automation components and expert support, ensuring you find the right parts for your operational needs.
Technical specifications
| Setting Range | 0.25-0.4A |
| Contacts | 1NO+1NC |
| Type | Thermal Delayed Overload Relay |
| Mounting | Single Unit Installation |
| Manufacturer | Siemens |
Common applications
Small motor control
HVAC systems
Control panels
Automation equipment
Laboratory instruments
Compatible systems
Suitable for use with Siemens 3TF series contactors (specific models may vary)
Also known as
Siemens 3UA59-00-0E, 3UA59000E, Siemens thermal relay
Replaces / compatible with
This relay is part of the Siemens 3UA59 series and is suitable for applications requiring precise overload protection for small motors.
Technical note
Expert tip
This overload relay is designed for single-unit installation, offering flexibility in mounting configurations where direct mounting to a contactor is not required.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
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 contact configuration for the Siemens 3UA5900-0E overload relay?
The Siemens 3UA5900-0E overload relay features one normally open (NO) and one normally closed (NC) auxiliary contact. These contacts can be used for signaling or control circuits.