SQUARE D
SQUARE D 9065SF320 NEMA Overload Relay 1NC 30-90A
Provides electronic overload protection for three-phase motors with adjustable 30 to 90 A range and 1NC auxiliary contact
- NEMA Size 3 overload relay protects motors up to 90 A
- Adjustable 30 A to 90 A range covers diverse motor loads
- Trip Class 10/20 provides coordinated overload protection
- Three-pole electronic design monitors all phases continuously
- Separate mounting style simplifies panel layout and installation
Industrial Motor Protection
The SQUARE D 9065SF320 is a NEMA overload relay designed for three-phase motor circuits. It protects equipment by monitoring current and interrupting control power when overload conditions occur. Electrical technicians and maintenance teams use it in industrial panels and machinery applications.
Separate Mounting With Manual Reset
This unit mounts independently from the contactor, allowing flexible panel layout and straightforward replacement. A 1NC auxiliary contact provides a signal circuit for alarms or PLC inputs when the relay trips. Manual reset requires an operator to acknowledge the fault before restarting the motor.
Adjustable 30-90 A Range With Class 10/20 Trip
The relay covers a minimum setting of 30 A and a maximum of 90 A at up to 600 V AC. Selectable Trip Class 10 or 20 lets you match the thermal response to the motor design. Buyers needing a lower minimum current or an automatic reset function will need a different device.
Highlights
- NEMA Size 3 overload relay protects motors up to 90 A
- Adjustable 30 A to 90 A range covers diverse motor loads
- Trip Class 10/20 provides coordinated overload protection
- Three-pole electronic design monitors all phases continuously
- Separate mounting style simplifies panel layout and installation
Specifications
| Brand | SQUARE D |
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Questions about this item
What trip class does the 9065SF320 overload relay use, and what current range does it cover?
The relay operates at Trip Class 10/20 and protects motors from 30 A minimum up to 90 A maximum.
How is the 9065SF320 mounted and what space does it need?
It uses a separately mounted style and fits NEMA Size 3 enclosures with three-pole wiring.
How do you install the 9065SF320 and what is the common wiring mistake?
Wire the three-phase supply through the relay, connect the 1NC auxiliary contact to the control circuit, and set the dial to the motor full-load amps; forgetting to adjust the dial from the factory default is the typical error.
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