Detailed Introduction to EMERSON SS6048R2P3
1. Product Description
The EMERSON SS6048R2P3 is a high-performance, rack-mounted power supply module specifically engineered for critical industrial and telecommunications applications. As a key component in Emerson’s comprehensive power management ecosystem, this module is designed to deliver stable, reliable DC power to sensitive electronic equipment, such as server racks, network devices, and industrial control systems.
Unlike standard power supplies, the SS6048R2P3 integrates advanced monitoring and protection features to ensure continuous operation even in harsh environments. It supports hot-swappable functionality, allowing for maintenance or replacement without shutting down the entire power system—this minimizes downtime and enhances the overall availability of the connected critical loads. Additionally, its compact rack-mount design optimizes space utilization in data centers and industrial control rooms, making it suitable for installations where space is at a premium.
The module is widely used in sectors including telecommunications, data centers, oil and gas, and industrial automation, where consistent power delivery is essential to prevent equipment failure and data loss.
2. Product Technical Specifications
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Specification Category
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Details
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Output Parameters
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– Output Voltage: 48V DC (adjustable within ±5% of nominal value)- Output Current: Maximum 60A- Output Power: 2880W (48V × 60A)- Voltage Regulation: ±0.5% (line and load regulation combined)
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Input Parameters
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– Input Voltage Range: 176 – 264V AC (single-phase)- Input Frequency: 47 – 63Hz- Input Power Factor: ≥0.99 (at full load)- Input Current Harmonic Distortion (THD): ≤5% (at full load, compliance with IEC 61000-3-2 Class A)
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Efficiency
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– Typical Efficiency: ≥92% at full load- Maximum Efficiency: 94% (at 70% – 80% load)
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Physical Dimensions
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– Height: 43.6mm (1U rack unit)- Width: 482.6mm (19-inch standard rack width)- Depth: 240mm- Weight: Approximately 3.5kg
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Operating Environment
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– Operating Temperature: 0°C – 45°C (without derating); up to 55°C (with linear derating)- Storage Temperature: -40°C – 70°C- Relative Humidity: 5% – 95% (non-condensing)- Altitude: Up to 2000m (without derating); up to 4000m (with linear derating)
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Protection Features
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– Over-Voltage Protection (OVP): 56V – 60V DC (auto-recovery after fault clearance)- Over-Current Protection (OCP): 65A – 70A (current limiting, auto-recovery)- Over-Temperature Protection (OTP): Activates at 85°C (shuts down output; auto-recovery when temperature drops to 75°C)- Short-Circuit Protection (SCP): Current limiting mode (sustains short-circuit for up to 10s without damage)- Input Surge Protection: Compliant with IEC 61000-4-5 (6kV/3kA)
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Monitoring & Communication
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– Built-in LED Indicators: Power ON (green), Fault (red), Over-Temperature (amber)- Communication Interface: RS485 (supports Modbus RTU protocol for remote monitoring of voltage, current, temperature, and fault status)
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Compliance & Certifications
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– Safety Standards: UL 60950-1, IEC 60950-1, EN 60950-1- EMC Standards: EN 55022 Class B (emissions), IEC 61000-4-2/3/4/5/6 (immunity)- Environmental Certifications: RoHS 2.0 compliant
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3. Usage Instructions
3.1 Installation
- Pre-Installation Check: Ensure the input voltage of the installation site matches the module’s input range (176 – 264V AC). Inspect the module for physical damage (e.g., cracks, loose components) before unpacking.
- Rack Mounting: Mount the SS6048R2P3 into a standard 19-inch rack using the provided mounting brackets. Secure the module with screws to prevent vibration during operation. Ensure a minimum clearance of 50mm above and below the module for proper airflow (critical for heat dissipation).
- Wiring:
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- Input Wiring: Connect the single-phase AC input to the terminal block labeled “AC IN” (L, N, and PE). Use copper wires with a cross-sectional area of 4mm² – 6mm² (depending on local electrical codes) and torque the terminals to 1.5N·m – 2.0N·m.
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- Output Wiring: Connect the 48V DC output to the terminal block labeled “DC OUT” (+ and -). Use copper wires with a cross-sectional area of 16mm² – 25mm² (to support maximum 60A current) and torque the terminals to 3.0N·m – 3.5N·m.
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- Grounding: Ensure the module’s PE (protective earth) terminal is securely connected to the facility’s grounding system (ground resistance ≤1Ω) to comply with safety standards.
- Hot-Swapping Preparation (if applicable): If the module is part of a redundant power system, confirm that the backup modules are operational before removing the SS6048R2P3. This ensures no interruption to the connected load.
3.2 Operation
- Power-On Sequence:
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- Turn on the AC input switch (external to the module) first.
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- Check the green “Power ON” LED—if it illuminates, the module is receiving input power and initializing.
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- After 3 – 5 seconds, the DC output will activate. Verify the output voltage using a multimeter (should read 48V DC ±5%).
- Monitoring:
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- Use the LED indicators to monitor the module’s status:
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- Green LED: Normal operation (output active, no faults).
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- Red LED: Fault detected (e.g., over-voltage, short-circuit)—check the output voltage and load connections.
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- Amber LED: Over-temperature warning (reduce ambient temperature or check airflow).
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- For remote monitoring, connect the RS485 interface to a supervisory system (e.g., Emerson’s Trellis™ Platform) and configure the Modbus RTU parameters (baud rate: 9600 – 115200 bps; parity: None/Even/Odd).
- Maintenance:
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- Clean the module’s air vents every 3 months (or more frequently in dusty environments) using compressed air (pressure ≤0.3MPa) to prevent dust buildup and overheating.
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- Replace the module if the red fault LED remains lit after troubleshooting (e.g., checking wiring, reducing load). Use only genuine Emerson replacement parts to ensure compatibility and safety.
4. System Introduction
The EMERSON SS6048R2P3 is a core component of Emerson’s NetSure™ Series Power Systems—a scalable, redundant power management solution designed for critical infrastructure. The NetSure Series integrates multiple SS6048R2P3 modules (or compatible models) into a centralized system, along with battery backup units, monitoring controllers, and distribution units, to deliver uninterrupted DC power.
4.1 System Architecture
- Power Conversion Layer: Multiple SS6048R2P3 modules work in parallel to provide high-output power (e.g., 4 modules can deliver up to 11.52kW). The system automatically balances the load across modules, ensuring even wear and maximizing reliability.
- Battery Backup Layer: Connected to the DC output bus, the battery bank (typically 48V lead-acid or lithium-ion batteries) provides backup power during AC input failures. The SS6048R2P3 modules charge the batteries when AC power is available and switch to battery power seamlessly during outages.
- Monitoring & Control Layer: A central controller (e.g., Emerson NetSure Controller) communicates with each SS6048R2P3 via RS485 to monitor real-time parameters (voltage, current, temperature) and manage system operations (e.g., module redundancy, battery charging).
- Distribution Layer: DC power from the system is distributed to connected loads (e.g., servers, network switches) via circuit breakers or terminal blocks, with over-current protection for each load branch.
4.2 Key System Features
- Redundancy: The system supports N+1, 2N, or 2N+1 redundancy (e.g., 3 SS6048R2P3 modules for a 2kW load, providing N+1 redundancy). If one module fails, the remaining modules automatically take over the load, ensuring no downtime.
- Scalability: Additional SS6048R2P3 modules can be added to the system without shutting it down (hot-swappable), allowing the system to grow with increasing load demands (e.g., from 2.88kW to 28.8kW with 10 modules).
- Remote Management: The NetSure Controller supports cloud-based monitoring via Emerson’s EdgeConnect™ Platform, enabling users to access system data, receive fault alerts, and perform remote configuration from any location. This reduces the need for on-site maintenance and improves response times.
- Battery Management: The system optimizes battery charging (constant current/constant voltage mode) to extend battery life and ensures the battery bank is always ready for backup.
5. Recommended Related Models in the Same Series
For users seeking alternatives or complementary modules to the SS6048R2P3, the following EMERSON NetSure Series models are recommended:
- EMERSON SS6048R2P5: A higher-efficiency variant of the SS6048R2P3, with a maximum efficiency of 95% (vs. 94% for the SS6048R2P3). It is ideal for data centers or applications where energy efficiency is a priority.
- EMERSON SS3048R2P3: A lower-power model with a maximum output current of 30A (1440W). It is suitable for small-scale applications (e.g., remote telecommunications towers) with lower load demands.
- EMERSON SS10048R2P3: A high-power model with a maximum output current of 100A (4800W). It is designed for large industrial loads (e.g., oil and gas control systems) requiring high power density.
- EMERSON SS6024R2P3: A 24V DC output variant (60A, 1440W) compatible with 24V-based equipment (e.g., industrial sensors, small network devices). It shares the same form factor and monitoring features as the SS6048R2P3, ensuring easy integration into existing systems.
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