Sintron RM50SC
Sintron RV Surge Protector RM50SC User Manual
Model: RM50SC | Brand: Sintron
1. Introduction
This manual provides comprehensive instructions for the safe and effective use of your Sintron RV Surge Protector RM50SC. Designed to safeguard your recreational vehicle's electrical system, this device offers robust protection against power surges and voltage spikes, ensuring the longevity of your RV's appliances and electronics.
The Sintron RM50SC is a 50 Amp, 125/250 Volt surge protector with 3150 Joules of protection, featuring LED indicator lights for easy status monitoring. It is UL/ETL Listed, confirming its compliance with North American safety standards.
2. Safety Information
WARNING: Read all safety instructions before use. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- This device is designed for use in DRY LOCATIONS ONLY. Do not expose to rain, moisture, or wet conditions.
- Ensure the power pedestal is properly wired and grounded before connecting the surge protector.
- Always disconnect power before connecting or disconnecting the surge protector.
- Do not attempt to open or modify the surge protector. There are no user-serviceable parts inside.
- Keep children away from electrical connections.
- If the surge protector shows any signs of damage, do not use it.
The Sintron RV Surge Protector RM50SC is CSA/cETL certified, ensuring compliance with North American safety standards for electrical products.
3. Product Features
- High Surge Protection: Absorbs high voltage spikes and surges up to 3150 Joules with a 45000A max spike rating, protecting your RV and electrical equipment.
- LED Indicator Lights: Features clear LED indicators to show the current status of surge protection. The "SURGE" light illuminates when the unit is actively protecting against surges.
- Durable Construction: Made from fire-retardant material for enhanced safety and longevity.
- Ergonomic Design: Features an ergonomic handle design to increase friction, making plugging and unplugging easier and more secure.
- Compatibility: Suitable for NEMA 14-50R receptacles, commonly found in 50 Amp RV hookups.

Figure 3.1: Front view of the Sintron RV Surge Protector RM50SC, highlighting its compact and robust design.

Figure 3.2: Top view of the surge protector showing the "POWER" and "SURGE" LED indicator lights.
4. Setup and Installation
Follow these steps to properly set up your Sintron RV Surge Protector:
- Verify Power Pedestal: Ensure the RV power pedestal is turned OFF before connecting any devices. Inspect the receptacle for any visible damage or debris.
- Connect Surge Protector: Plug the Sintron RV Surge Protector directly into the 50 Amp NEMA 14-50R receptacle on the RV power pedestal. Ensure it is firmly seated.

Figure 4.1: The surge protector plugged into an RV power pedestal, ready for connection to the RV.
- Connect RV Power Cord: Plug your RV's 50 Amp power cord into the female end of the Sintron RV Surge Protector. Make sure the connection is secure.

Figure 4.2: The surge protector connected to an RV power cord, demonstrating the anti-slip design for easy handling.
- Activate Power: Once all connections are secure, turn ON the power at the RV pedestal.
- Check LED Indicators: Observe the LED indicator lights on the surge protector.
- "POWER" Light: Should illuminate green, indicating that power is flowing through the unit.
- "SURGE" Light: Should illuminate green, indicating that the surge protection circuit is active and functional. If this light is off, the surge protection may be compromised or consumed by a significant surge.
For optimal performance, ensure the surge protector is not submerged in water or exposed to extreme weather conditions.
5. Operating Instructions
The Sintron RV Surge Protector operates automatically once connected. Its primary function is to continuously monitor incoming power for harmful voltage spikes and surges.
LED Indicator Guide:
| Indicator Light | Status | Meaning |
|---|---|---|
| POWER (Green) | ON | Indicates that the unit is receiving power. |
| POWER (Green) | OFF | No power is being received by the unit, or there is an internal fault. |
| SURGE (Green) | ON | The surge protection circuit is active and protecting your RV. |
| SURGE (Green) | OFF | The surge protection component has been consumed by a significant surge and is no longer providing protection. The unit may still pass power, but without surge protection. Replace the unit immediately. |

Figure 5.1: Visual representation of the LED indicator lights and their corresponding status.
6. Maintenance
The Sintron RV Surge Protector is designed for minimal maintenance. However, regular inspection is recommended to ensure optimal performance and safety:
- Visual Inspection: Before each use, visually inspect the unit for any signs of physical damage, cracks, frayed wires, or discoloration. Do not use if damaged.
- Cleanliness: Keep the unit clean and free from dirt, dust, and moisture. Wipe with a dry cloth if necessary. Do not use liquid cleaners.
- Storage: When not in use, store the surge protector in a cool, dry place, away from direct sunlight and extreme temperatures.
- LED Check: Periodically check the "SURGE" LED indicator. If it is off, the surge protection has been consumed, and the unit should be replaced.
7. Troubleshooting
If you encounter issues with your Sintron RV Surge Protector, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No lights illuminate when plugged in. | No power from pedestal, faulty connection, or unit failure. |
|
| "POWER" light is ON, but "SURGE" light is OFF. | Surge protection component has been consumed. | The unit has protected your RV from a significant surge. It is no longer providing surge protection. Replace the unit immediately. |
| Unit feels hot to the touch. | Overload or internal fault. |
|
If the problem persists after attempting these solutions, please contact Sintron customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | RM50SC (691032143546) |
| Amperage | 50 Amp |
| Voltage | 125/250 Volt |
| Receptacle Type | NEMA 14-50R |
| Surge Protection | 3150 Joules |
| Max Spike Current | 45000A |
| Certification | CSA/cETL Listed |
| Dimensions (L x W x H) | Approx. 11cm x 6cm x 5cm (4.3in x 2.3in x 1.9in) |
| Weight | Approx. 191 g |
| Material | Fire-retardant material |

Figure 8.1: Dimensions of the Sintron RV Surge Protector, showing approximate measurements.

Figure 8.2: Internal view of the surge protector, demonstrating its robust construction and components.
9. Warranty and Support
Sintron products are manufactured to high-quality standards. For warranty information or technical support, please refer to the product packaging or contact Sintron customer service directly.
For assistance, please visit the official Sintron website or contact their customer support line. Keep your purchase receipt as proof of purchase for any warranty claims.