Siemens
Siemens 3UA7021-0J Thermal Overload Relay - 12-16A
Siemens 3UA7021-0J thermal overload relay, 12-16A, 1NO+1NC.
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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
Adjustable current setting
Phase-loss sensitivity
Manual or auto reset options
1NO+1NC auxiliary contacts
Robust construction
Product description
The Siemens 3UA7021-0J is a thermal overload relay designed with a setting range of 12 to 16 Amperes. It comes equipped with one normally open (NO) and one normally closed (NC) auxiliary contact for integration into control circuits.
This relay provides reliable protection for electric motors against overloads and phase failures, contributing to the longevity and operational stability of machinery. It's suitable for a wide array of industrial applications.
Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3UA7021-0J. We are committed to providing quality components and excellent service to our customers.
Technical specifications
| Setting Range | 12-16A |
| Contacts | 1 NO + 1 NC |
| Type | Thermal Overload Relay |
Common applications
Motor control
Pump systems
Fan control
Conveyor systems
Industrial machinery
Compatible systems
Siemens contactors (verify model and size)
Also known as
Siemens 3UA70 overload relay
3UA70210J
Replaces / compatible with
Designed to work with corresponding Siemens contactors for comprehensive motor protection. Please verify compatibility for your specific setup.
Technical note
Expert tip
Ensure the selected contactor is appropriately sized and rated to work in conjunction with the 3UA7021-0J for effective motor protection.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
Can the Siemens 3UA7021-0J thermal overload relay be used for phase failure protection?
Yes, the Siemens 3UA7021-0J thermal overload relay is designed with phase-loss sensitivity to help protect motors from damage caused by phase unbalance or failure.