Better World
Seasonic 300W PC Power Supply, 100 → 240V ac Input, -12 V dc, 3.3 V dc, 5 V dc, 12 V dc Output
- RS Stock No.:
- 136-6053
- Mfr. Part No.:
- SSP-300SUB
- Brand:
- Seasonic
Bulk discount available
Subtotal (1 unit)*
£55.04
(exc. VAT)
£66.05
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 21 unit(s) ready to ship
- Plus 200 unit(s) shipping from 25 December 2025
- Plus 200 unit(s) shipping from 13 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £55.04 |
| 5 - 9 | £53.38 |
| 10 - 24 | £51.74 |
| 25 - 49 | £50.09 |
| 50 + | £48.44 |
*price indicative
Better World
Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.
- RS Stock No.:
- 136-6053
- Mfr. Part No.:
- SSP-300SUB
- Brand:
- Seasonic
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Seasonic | |
| Input Voltage | 100 → 240V ac | |
| Output Voltage | -12 V dc, 3.3 V dc, 5 V dc, 12 V dc | |
| Power Rating | 300W | |
| Output Current | 2 A, 14 A, 17 A, 18 A, 800 mA | |
| Number of Outputs | 6 | |
| Length | 150mm | |
| Width | 81.5mm | |
| Depth | 40.5mm | |
| Load Regulation | ±5% | |
| Line Regulation | ±1% | |
| Better World Product | Yes | |
| Better World Verification | 80 PLUS Bronze | |
| Standards Met | BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV | |
| Series | SSP | |
| Input Frequency Range | 47 → 63Hz | |
| Power Signal Conversion Type | AC-DC | |
Select all | ||
|---|---|---|
Brand Seasonic | ||
Input Voltage 100 → 240V ac | ||
Output Voltage -12 V dc, 3.3 V dc, 5 V dc, 12 V dc | ||
Power Rating 300W | ||
Output Current 2 A, 14 A, 17 A, 18 A, 800 mA | ||
Number of Outputs 6 | ||
Length 150mm | ||
Width 81.5mm | ||
Depth 40.5mm | ||
Load Regulation ±5% | ||
Line Regulation ±1% | ||
Better World Product Yes | ||
Better World Verification 80 PLUS Bronze | ||
Standards Met BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV | ||
Series SSP | ||
Input Frequency Range 47 → 63Hz | ||
Power Signal Conversion Type AC-DC | ||
- COO (Country of Origin):
- CN
Seasonic PC Power Supply
The Seasonic SSP series switch-mode power supply has a power rating of 300W and outputs a current of 14A at 3.3V, 17A at 5V, 18A at 12V and 0.8A at -12V. This offers a reliable source for a wide range of setups. Its extremely low noise fan control makes it a pleasant companion in any industrial system. It has an operating supply of voltage range from 100VDC to 240VDC.
Features and Benefits
SATA-ready
Fully modular
High efficiency and reliability
Low ripple and noise
Super low noise fan control
Short circuit protection on all outputs
Over voltage protection
Over power protection
Fanless mode (up to 30% load)
Connectors are main power and ATX 12 V
Active power factor correction is >95% (typical)
Fully modular
High efficiency and reliability
Low ripple and noise
Super low noise fan control
Short circuit protection on all outputs
Over voltage protection
Over power protection
Fanless mode (up to 30% load)
Connectors are main power and ATX 12 V
Active power factor correction is >95% (typical)
Applications
Workstations
Standard or advanced servers
Automation or communication applications
Standard or advanced servers
Automation or communication applications
Certifications
CB certified
cUL approved
CCC certified
FCC certified
TUV certified
GSMI
RCM
cUL approved
CCC certified
FCC certified
TUV certified
GSMI
RCM
Related links
- Seasonic 300W PC Power Supply -12 V dc 5 V dc, 12 V dc Output
- Seasonic 250W PC Power Supply -12 V dc 5 V dc, 12 V dc Output
- Seasonic 300W PC Power Supply 3.3 V dc 12 V dc Output
- Seasonic 400W PC Power Supply -12 V 5 V 12 (Combined) V Output
- Seasonic 500W PC Power Supply -12 V 5 V 12 (Combined) V Output
- Seasonic 650W ATX Power Supply 3.3V Output
- Seasonic 600W ATX Power Supply 3.3V Output
- Seasonic 850W ATX Power Supply 3.3V Output