Generac 0049071SRV 125V 20 Amp Circuit Breaker – Genuine OEM Replacement Generator Circuit Breaker
Part Number: 0049071SRV
Category: Generator Parts → Electrical Components → Circuit Breakers
Type: Generac 0049071SRV 125V 20 Amp Circuit Breaker – Genuine OEM Replacement Generator Circuit Breaker
The Generac 0049071SRV Circuit Breaker is a genuine OEM replacement electrical protection component designed for compatible Generac generators. Rated for 125 volts and 20 amps, this circuit breaker helps protect designated generator output circuits against excessive current and overload conditions. Manufactured to original equipment specifications, it provides the correct electrical rating, fit, and operation required when replacing a damaged, faulty, or repeatedly tripping generator circuit breaker.
Key Features & Benefits
- Part Number: 0049071SRV
- Genuine OEM Generac replacement part
- Designed for compatible Generac generators
- 125-volt circuit breaker
- 20-amp current rating
- Helps protect generator circuits against electrical overload
- Interrupts current when designated operating limits are exceeded
- Supports dependable generator output protection
- Direct replacement for a faulty or damaged circuit breaker
- Manufactured to original equipment specifications
- Ideal for generator electrical repair and maintenance
Technical Specifications
- Part Number: 0049071SRV
- Manufacturer: Generac
- Product Type: Generator Circuit Breaker
- Voltage Rating: 125V
- Current Rating: 20 Amp
- Application: Generator output circuit protection
- OEM Part: Yes
- Quantity: Sold Individually
Compatible Applications
The Generac 0049071SRV 125V 20 Amp Circuit Breaker is designed for use with select Generac generators and compatible electrical control-panel assemblies.
Always verify the generator model, serial number, voltage and amperage requirements, terminal configuration, mounting design, original part number, and applicable wiring diagram before ordering to ensure proper compatibility.
Function of the Circuit Breaker
The 0049071SRV Circuit Breaker is designed to:
- Monitor current flowing through a designated generator circuit
- Interrupt power during electrical overload conditions
- Help protect wiring and connected electrical components
- Reduce the risk of damage caused by excessive current
- Provide resettable circuit protection
- Support safe and dependable generator output
- Restore the generator’s original electrical protection functionality
A properly functioning circuit breaker is essential for protecting the generator and connected equipment from potentially damaging overload conditions.
Common Signs Replacement Is Needed
Replace or inspect the circuit breaker if you notice:
- Breaker will not reset
- Breaker trips without an excessive electrical load
- Generator output is unavailable through the protected circuit
- Breaker feels loose or does not remain in position
- Housing is cracked, melted, or discolored
- Terminals show corrosion or heat damage
- Breaker becomes unusually hot during operation
- Electrical testing confirms internal failure
Repeated tripping may indicate an overloaded circuit, short circuit, damaged wiring, faulty connected equipment, or an internal generator problem. Diagnose the underlying cause before replacing the breaker.
Installation & Service Notes
- Shut down the generator and allow it to cool completely before servicing.
- Disconnect all connected electrical loads.
- Disable automatic startup according to the manufacturer’s instructions.
- Disconnect the starting battery and all external power sources.
- Confirm that no voltage is present before accessing the control panel.
- Label or photograph the original wire and terminal positions.
- Remove the damaged circuit breaker from the mounting panel.
- Inspect the wiring and terminals for looseness, corrosion, or heat damage.
- Install the 0049071SRV Circuit Breaker in the correct position and orientation.
- Reconnect all wires according to the applicable Generac wiring diagram.
- Verify that all terminals and mounting hardware are secure.
- Restore power and test the protected circuit using an appropriate electrical meter.
Important: Never install a circuit breaker with a higher voltage or amperage rating unless specifically authorized by the generator manufacturer. Generator electrical systems may contain hazardous voltage even when the engine is not running. Professional installation is recommended for anyone unfamiliar with generator wiring and electrical testing.
Maintenance Recommendations
- Test circuit-breaker operation during scheduled generator maintenance.
- Keep the control panel clean, dry, and protected from contamination.
- Inspect electrical terminals for corrosion, looseness, and overheating.
- Avoid exceeding the generator’s rated electrical capacity.
- Distribute connected loads according to the generator manufacturer’s instructions.
- Investigate repeated breaker trips before returning the generator to service.
- Replace cracked, burned, or unreliable breakers promptly.
- Use genuine OEM replacement parts to maintain proper electrical ratings, fit, and generator circuit protection.
