G1268-0350WNA – 350W CRPS Power Supply Optimized for High-Density Server and Telecom Systems
The G1268-0350WNA power supply is tailored for server, storage, and telecommunication applications, featuring a compact 1U CRPS-standard form factor (185 x 73.5 x 40 mm) that supports space-efficient, high-density deployments.
This redundant DC/DC power supply outputs 12V at 29A and includes a 12V standby current of 2.1A, delivering reliable and continuous power. It supports a wide input voltage range of 36–72Vac, ensuring compatibility with global power standards.
Equipped with digital control and a PMBus 1.2 interface, the power supply allows for real-time system monitoring and remote management, enhancing operational control. Active Power Factor Correction (PFC) improves energy efficiency and provides stable power delivery.
The intelligent fan control system optimizes cooling performance while reducing noise emissions. A reverse airflow option offers flexible installation possibilities to meet diverse system requirements.
Certified by UL, CE, FCC, CB, and CCC, the G1268-0350WNA complies with international safety and electromagnetic compatibility (EMC) standards, ensuring safe and reliable operation worldwide.
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): | 350 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 29 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 350 |
| 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 G1268-0350WNA serves as the mid-high power tier of the G1268 48 V DC-DC series, aimed at deployments where load is heavier than simple control or lightweight network appliances, yet full AC PSU overhead is unnecessary or undesirable. It fits well for:
- Edge storage gateways, small NAS or caching servers, or micro-data pools needing consistent 12 V power for multiple drives and network I/O.
- Edge compute nodes or virtualization hosts running a few moderate-load VMs or containers plus NICs, storage backends or light GPU/accelerator cards.
- Telecom / PoE/OLT equipment or network appliances with multiple NICs, routing/firewall/SD-WAN combined services, requiring stable DC-DC conversion and more current headroom.
- Remote or distributed edge deployments where 48 V backbone power is available (e.g. telecom DC-bus, battery-backed sites, PoE rack infrastructure), and thermal/power efficiency plus reliability are priorities.
- Mixed I/O and compute workloads, such as light inference + storage + network combined tasks, where power draw fluctuates but stays within modest-to-mid watt range.
This model provides a balance: higher wattage headroom, stable 12 V rails, and efficient conversion — without over-provisioning for heavy compute racks.
|
Scenario |
Workload Pattern | Why 350W Fits |
| Edge storage gateway | Multiple drives + network I/O |
Provides stable power for storage + networking |
|
Virtualization host |
Few VMs + NIC + storage | Balanced margin for mixed load |
| Telecom / SD-WAN appliance | Packet routing + services |
DC-DC 48 V makes integration easier |
|
PoE / Access node rack |
Mixed I/O and control logic | Efficient 48 V-to-12 V with good conversion efficiency |
| Edge compute + light acceleration | Light GPU or accelerator with NIC/storage |
Enough power margin without brute PSU overhead |
|
Remote data node |
Variable load, DC backbone |
Stable rails even under load fluctuation |
Power Architecture & Reliability Design
- Optimized DC-DC Conversion: The unit is engineered to convert 48 V input to stable 12 V output with high efficiency and low thermal dissipation — ideal for edge DC racks or telecom-style power distribution systems.
- Stable Rail + Ripple Suppression: Even under mixed workloads (storage I/O, networking bursts, light compute), the power architecture maintains clean 12 V rails with controlled ripple, ensuring data integrity for drives, NICs, and logic circuits.
- Thermal Design for Edge & Rack Enclosures: With efficient conduction paths and sensible airflow layout, the PSU remains stable under sustained moderate load, minimizing heat accumulation — suitable for small form-factor or poorly ventilated enclosures.
- Balanced Headroom: 350W rating provides generous power reserve over base control-class models without over-provisioning — giving room for storage arrays, NICs, caching layers, or moderate accelerator cards.
- Transient Load Handling: The unit handles moderate load spikes — such as drive spin-ups, I/O bursts, or network surge traffic — with stable voltage recovery and minimal stress on components.
- Low Idle Losses: During light load or idle periods typical in edge or distributed nodes, the conversion efficiency remains high, reducing energy waste and lowering OPEX over large deployments.
- DC Bus Compatibility: Designed specifically for 48 V DC infrastructure, eliminating the need for bulky AC-DC front ends in telecom/edge contexts.
- Scalable Upgrade Path: If future workloads increase beyond 350W, higher-tier models in G1268 series provide seamless scale-up without redesigning rack or DC supply layouts.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Edge server / NAS / storage node |
Ensure proper ventilation around PSU vents |
|
Mixed I/O + light compute workloads |
Use dust filters and maintain clearance for airflow |
|
24/7/365 remote deployment |
Monitor ambient temperature, especially in summer or unconditioned environments |
| Burst I/O or network spikes |
Run occasional ripple checks during peak cycles |
|
Integration in DC-bus infrastructure |
Ensure stable 48 V input and surge protection |
| Small enclosure or telecom cabinet |
Maintain minimal 2U airflow clearance |
|
Future expansion plan |
Reserve headroom — if load grows, consider next-tier PSU |
| Redundant or backup supply system |
Evaluate DC-DC dual supply or redundant rails if load critical |
FAQ
Q1. What’s G1268-0350WNA best used for?
Great for edge servers, small storage/NAS boxes, PoE/edge gateways, or mixed I/O + light compute nodes that run on 48 V DC infrastructure.
Q2. What distinguishes it from the lower-watt versions?
It offers significantly more power capacity (350W) — enough for drives, NICs, light compute or accelerator — while preserving DC-bus efficiency.
Q3. Is it efficient at partial load or idle?
Yes — DC-DC design maintains good efficiency even at light load, reducing energy waste over time.
Q4. Can it handle spikes (disk spin-up, network bursts)?
Yes — designed with ripple suppression and transient handling suitable for mixed I/O environments.
Q5. Does it support 48 V DC input only?
Yes — it’s specifically designed for DC-DC 48 V input systems, common in telecom, PoE racks, and remote DC power infrastructure.
Q6. Is it suitable for continuous 24/7 operation?
Yes — thermal design and efficient conversion make it suitable for continuous runtime in edge or remote deployments.
Q7. What if future load increases?
You can scale up within same series (e.g. to 0460W or 0550W) without redesigning power rail architecture.
Q8. Is ripple or voltage stability good enough for storage / networking gear?
Yes — designed to keep 12 V rails stable under mixed I/O and compute load, protecting storage and NIC hardware.