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
Manufacturer:: Seasonic

Seasonic 300W PC Power Supply, 100 → 240V ac Input, -12 V dc, 3.3 V dc, 5 V dc, 12 V dc Output

Bulk discount available

Subtotal (1 unit)*

SGD126.01

(exc. GST)

SGD137.35

(inc. GST)

Add 2 units to get free delivery

Orders below SGD150.00 (exc. GST) cost SGD25.00.

In Stock

Plus 27 unit(s) shipping from 16 February 2026
Plus 4 unit(s) shipping from 11 May 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 9	SGD126.01
10 - 49	SGD122.87
50 +	SGD119.81

*price indicative

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RS Stock No.:: 136-6053
Mfr. Part No.:: SSP-300SUB
Manufacturer:: Seasonic

Specifications

Technical data sheets

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
	Input Frequency Range	47 → 63Hz
	Power Signal Conversion Type	AC-DC
	Series	SSP
	Standards Met	BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV

	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
	Input Frequency Range 47 → 63Hz
	Power Signal Conversion Type AC-DC
	Series SSP
	Standards Met BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV

SSP-300 SUB Datasheet

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)

Applications

Workstations
Standard or advanced servers
Automation or communication applications

Certifications

CB certified
cUL approved
CCC certified
FCC certified
TUV certified
GSMI
RCM