The JRCS RES-101-2 is a high-performance power supply and control unit specifically engineered for marine and industrial automation environments. Built to withstand the rigorous demands of maritime operations, this unit ensures stable power distribution and seamless integration with broader shipboard management systems. As a critical component in the JRCS power management series, it provides the necessary voltage regulation and protection features required for sensitive electronic equipment in harsh conditions.
Technical Datasheet
Product Name: JRCS Power Unit Model Identifier: RES-101-2 Country of Origin: Japan Enclosure Rating: IP20 (Standard) Input Voltage: 100-240V AC / 24V DC (Model dependent) Output Voltage: Stable DC Output Dimensions: 150mm x 120mm x 85mm Weight: 1.2 kg
Application Fields
- Marine Power Management Systems (PMS): Centralized control for vessel power grids.
- Engine Control Rooms: Providing steady power to monitoring consoles and alarm systems.
- Industrial Automation: Used in factory settings requiring high-reliability DIN-rail or panel-mounted power units.
- Switchboard Integration: Acting as a secondary power source for circuit breaker logic.
Product Usage Instructions
- Pre-Installation Check: Verify that the input voltage of your local power source matches the specifications labeled on the RES-101-2 side panel.
- Mounting: Secure the unit onto a standard 35mm DIN rail or utilize the fixed mounting holes. Ensure at least 20mm of clearance around the unit for natural convection cooling.
- Wiring: Connect the AC/DC input leads to the designated terminals. Ensure that the ground (PE) terminal is properly connected to the ship’s hull or system earth to prevent electromagnetic interference.
- Status Monitoring: Upon powering up, check the LED indicators. A steady green light typically indicates normal output voltage. If the red “Alarm” light illuminates, disconnect the load immediately.
- Maintenance: Periodically check terminal screws for tightness, as vessel vibrations can cause loosening over time.
Q&A – Frequently Asked Questions
Q: Can the RES-101-2 be used in high-temperature environments? A: Yes, it is designed for machinery room environments, though it is recommended to maintain ambient temperatures below 55°C for optimal lifespan.
Q: What should I do if the output voltage drops? A: First, check the total load current to ensure it hasn’t exceeded the unit’s rated capacity. If the load is within limits, check the input stability. The unit may enter a protection mode if a short circuit is detected.
Q: Is this unit compatible with older JRCS power systems? A: The RES-101-2 is designed with backwards compatibility in mind for many RES-series legacy systems, but wiring configurations should be verified against the specific system diagram.
Similar Model Recommendations
- JRCS RES-101-1 Power Unit
- JRCS RES-102-A Control Module
- JRCS BTM-01 Battery Monitor
- JRCS E-702 Power Supply Unit
- JRCS RM-21 Relay Module


