G1268-0250WNA – 250W CRPS Power Supply for Reliable Server and Telecom Infrastructure
The G1268-0250WNA power supply is designed to support server, storage, and telecommunication systems with a compact 1U CRPS-standard form factor (185 x 73.5 x 40 mm), perfect for high-density installations.
This redundant DC/DC power supply delivers a stable 12V output at 20.83A, alongside a 12V standby current of 2.1A, ensuring consistent performance. It accommodates a broad input voltage range of 36–72Vac, making it adaptable for diverse power environments worldwide.
Featuring digital control paired with a PMBus 1.2 interface, the unit facilitates real-time monitoring and remote management to enhance operational reliability. Active Power Factor Correction (PFC) promotes energy efficiency and maintains system stability.
The intelligent fan control mechanism optimizes thermal management while minimizing noise levels. Additionally, the reverse airflow option allows for flexible integration into different system architectures.
Certified under UL, CE, FCC, CB, and CCC standards, the G1268-0250WNA meets stringent global safety and electromagnetic compatibility (EMC) requirements.
Features
CRPS-185: 185×73.5x40mm(LxWxH)
Input: 36-72VdC
Hot-plug
Full Digital control
Active Power Factor Correction
Intelligent-thermal Fan Control
N+1 Redundant
Reverse Airflow Option
Applications
Server
Router
Networking
Switches
Telecom
Firewall
Cloud Storage
Approvals
CTUVUS
TuV-Mark
CCC/CQC
FCC
CE
BSMI
BIS
Specifications
| Output Power (W): | 250 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 20.83 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 250 |
| Minimum Input Voltage (V): | 36 |
| Maximum Input Voltage (V): | 72 |
Model Selection Comparison Table
|
Model |
Power Tier | Behavior | Input | Form Factor | Recommended Use |
| G1268-0150WNA | Entry | Lightweight control & edge logic | DC 48V | CRPS-185 |
Control/management boards |
| Mid | Higher logic + I/O load | DC 48V | CRPS-185 | Edge compute + routing | |
| G1268-0350WNA | Mid-High | Storage + light inference | DC 48V | CRPS-185 |
Micro compute nodes |
| High | Mixed control + small AI | DC 48V | CRPS-185 | Industrial MEC | |
| G1268-0550WNA | Peak | Multi-board + service layer | DC 48V | CRPS-185 |
Telecom/DC clusters |
Deployment Scenarios
The G1268-0250WNA is the mid-tier power option within the G1268 48V DC-DC series, designed for edge network appliances, access nodes, light virtualization hosts, small storage nodes, and control boards in telecom and industrial settings that require stable power delivery without moving into high-wattage solutions.
It is perfect for small to mid-scale edge servers, IoT gateways, PoE devices, light control + storage systems, and applications where a 48V DC input is needed for efficiency. This power tier offers sufficient headroom for small virtualization nodes, mixed I/O environments, and data aggregation nodes that require reliable, continuous power but do not need the high capacity of larger modules.
This model is well-suited for deployments in 48V DC-powered remote cabinets, telecom infrastructure, small edge data centers, and PoE systems, offering a highly efficient and cost-effective solution for moderate-load applications.
|
Scenario |
Workload Pattern | Why 250W Fits |
| Edge network gateway | Moderate routing load |
Efficient power conversion from 48V DC |
|
PoE/Access node |
Mixed control + I/O | Stable 12V output for network devices |
| Light virtualization host | Few small VMs or containers |
Enough power margin without overprovisioning |
|
Small storage node |
Burst-light I/O | Reliable power for edge storage units |
| IoT aggregation point | Periodic sensor bursts |
Suitable for remote 48V DC-powered deployments |
|
Branch office server |
Mixed services, low-mid load |
Balanced power for edge servers |
Power Architecture & Reliability Design
The G1268-0250WNA adopts an efficient DC-DC conversion architecture optimized for telecom and edge deployments where consistent power delivery is required but space, cooling, and budget remain constrained. It is designed to provide stable 12V output under light to moderate load variations typical of network I/O handling, control-plane logic, and compact storage or aggregation nodes.
Conversion efficiency is tuned to minimize heat generation during continuous operation, reducing thermal stress across long service lifecycles. Ripple suppression and voltage regulation maintain clean rails during burst I/O activity or mixed compute–storage behavior, helping protect sensitive networking interfaces and embedded controllers from instability during transient load shifts.
The platform integrates naturally into 48V DC-powered infrastructure commonly found in telecom DC rooms, PoE systems, and remote edge cabinets. Thermal management emphasizes reliability in confined or low-airflow environments, while low idle power consumption and controlled inrush behavior support predictable startup and lower operational cost. Positioned above the 150W class, the G1268-0250WNA offers additional headroom for light-to-medium duty deployments without sacrificing efficiency or long-term stability.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Edge gateway / PoE node |
Ensure clean airflow to prevent overheating |
|
Mixed control + I/O load |
Periodic dust cleaning to maintain thermal efficiency |
| Continuous 24/7 operation |
Monitor temperature rise, especially in low-ventilation areas |
|
Burst packet traffic |
Review ripple and rail stability during network bursts |
| Remote deployment |
Ensure proper surge protection for sensitive equipment |
|
Compact rack / enclosure |
Ensure at least 2U clearance for proper airflow |
| Future upgrade planning |
Consider scaling to 350W/460W models if higher I/O demand arises |
|
Redundant design |
For critical uptime, plan for additional PSU or failover systems |
FAQ
Q1. What applications is G1268-0250WNA best suited for?
Ideal for edge gateways, PoE nodes, small virtualization hosts, and light storage devices in 48V DC-powered environments.
Q2. What distinguishes this model from AC/DC units?
The G1268 series is optimized for 48V DC input, making it perfect for telecom and edge applications.
Q3. Is this model energy-efficient?
Yes — optimized for low power consumption and efficient voltage regulation during light to medium load cycles.
Q4. Can it support higher transient loads?
Yes, the power architecture includes ripple suppression and smooth transient handling for moderate I/O bursts.
Q5. What environments is it suitable for?
Best for edge computing, remote cabinets, PoE networks, IoT deployments, and telecom-grade power systems.
Q6. Can I scale beyond this model if needed?
Yes, if your workloads increase, G1268-0350WNA or higher models will provide additional power capacity.
Q7. Is it suitable for long-term 24/7 operation?
Yes — the design is built for continuous operation in edge environments, with low thermal drift.
Q8. Is the model PMBus compatible?
Yes, PMBus telemetry provides insight into voltage, temperature, and ripple behavior for predictive maintenance.