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- Allen Bradley
- 815-BOV169
- Manual Reset Overload Relay
- USA
- 100 x 57 x 95 mm
- 0.34 kg
- Xiamen, China
- New & In Stock
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- 1-3 Working Days
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Product Overview
The Allen-Bradley 815-BOV169 is a manual reset overload relay designed for motor protection in industrial control systems. It is used to protect motors, contactors, and power wiring from damage caused by overcurrent, phase imbalance, or prolonged overload conditions.
This device is part of Allen-Bradley’s industrial motor control protection family, commonly installed in motor starter assemblies and control panels.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 815-BOV169 |
| Product Type | Manual Reset Overload Relay |
| Function | Motor overcurrent / thermal protection |
| Protection Type | Thermal / solid-state overload protection |
| Reset Type | Manual reset |
| System Type | Motor starters / industrial control panels |
| Application | Motor protection and fault interruption |
| Contact Configuration | Auxiliary trip contacts (system dependent) |
| Voltage Rating | Industrial motor control class (up to 600 VAC typical family range) |
| Dimensions | 100 × 57 × 95 mm |
| Weight | 0.34 kg |
Function and Working Principle
The 815-BOV169 works by continuously monitoring motor current conditions:
- Measures current drawn by the motor
- Simulates thermal heating effect inside the motor
- Trips when current exceeds safe operating limits
- Disconnects control circuit to stop motor operation
- Requires manual reset after trip condition
Why manual reset matters
Manual reset ensures that:
- Fault cause is investigated before restart
- Motor is protected from repeated damage
- System safety is maintained in industrial environments
Role in Industrial Control Systems
This overload relay is typically installed with:
- Motor starters
- Contactors
- Pump and fan control systems
- Conveyor drive systems
Its main roles include:
- Protecting motors from thermal damage
- Preventing wiring and insulation failure
- Triggering fault signals into PLC/DCS systems
- Supporting safe shutdown logic in automation systems
Industrial Applications
The 815-BOV169 is widely used in:
- Industrial motor control centers (MCCs)
- Oil and gas pumping systems
- Water and wastewater treatment plants
- HVAC systems (large motors)
- Conveyor and material handling systems
- Manufacturing and process automation lines
Installation and System Integration
For correct operation:
- Mount directly with compatible motor contactor assembly
- Wire motor current path through relay sensing terminals
- Connect auxiliary contacts to PLC/DCS input for fault indication
- Set current range according to motor nameplate
- Test trip and reset function during commissioning
- Ensure proper thermal and environmental conditions
Compatible System Components
The 815-BOV169 typically works with:
- Allen-Bradley motor contactors (Bulletin 100 / 700 series)
- Motor control centers (MCC buckets)
- PLC input modules for fault monitoring
- Pushbutton reset stations
- Overcurrent protection devices (fuses / breakers)
Recommended Alternative Models
| Model | Product Type | Key Feature | Application |
|---|---|---|---|
| 815-BOV169 | Manual reset overload relay | Standard motor protection | Industrial motor starters |
| 592-BOV169 | Panel mount overload relay | Eutectic alloy protection | High-current motor circuits |
| E300 Electronic Overload Relay | Smart overload protection | Adjustable digital settings | Modern motor control |
| 193-E series | Electronic overload relay | Advanced diagnostics | Intelligent motor protection |
Key Advantages
- Protects motors from thermal damage
- Manual reset ensures fault investigation before restart
- Reliable operation in harsh industrial environments
- Simple integration into motor starter systems
- Reduces downtime caused by motor failures
- Compatible with standard industrial control panels
- Proven and widely used industrial design
Technical FAQs
What is the main function of the 815-BOV169?
It protects motors from overheating caused by overcurrent conditions.
Why is manual reset important?
It prevents automatic restart after a fault, ensuring safety and fault diagnosis.
Does it control the motor directly?
No. It interrupts the control circuit of the motor starter.
Where is it used?
In industrial motor control systems such as pumps, fans, compressors, and conveyors.
Conclusion
The Allen-Bradley 815-BOV169 Manual Reset Overload Relay is a fundamental motor protection device used in industrial automation systems. It ensures safe motor operation by detecting overload conditions and requiring manual intervention before restart, helping prevent equipment damage and improving system safety.