Supermicro 1000W 1U Redundant Power Supply Unit (PSU), Part Number PWS-1K02A-1R

Supermicro 1000W 1U Redundant Power Supply Unit (PSU), Part Number PWS-1K02A-1R.

Technical Specifications

Parameter	Specification Details
Manufacturer	Super Micro Computer, Inc. (Supermicro)
Part Number (M/N)	PWS-1K02A-1R
Device Type	Redundant Power Supply Module (Plug-in Module)
Form Factor	Standard 1U
Output Type	25 Pairs Gold Finger Card Edge Connector
PFC (Power Factor Correction)	Active PFC (99% Typical)
Dimensions (W x L x H)	73.5 mm x 203 mm x 40 mm (2.89″ x 7.99″ x 1.57″)
MTBF	Over 250,000 Hours at 25 °C

Input / Output Specs & Power De-rating

To maintain high stability across global commercial and residential voltage standards, this PSU scales its output capacity based on the input voltage ($V_{AC}$):

1. Electrical Input Ranges

• Low-Line AC Input: 100–127 $V_{AC}$ / 50–60 Hz / 9.8–7.0 A

• High-Line AC Input: 200–240 $V_{AC}$ / 50–60 Hz / 7.0–5.0 A

• Inrush Current: Less than 55 A

2. Output & Wattage Matrix

• Under High-Line AC Input (200–240 $V_{AC}$):

  • Max Output Power: 1000W

  • Main $+12\text{V}$ Rail: Max 83 A / Min 0 A

  • Standby $+12\text{Vsb}$ Rail: Max 2.1 A / Min 0 A

• Under Low-Line AC Input (100–127 $V_{AC}$):

  • Max Output Power: 800W (De-rated)

  • Main $+12\text{V}$ Rail: Max 66.7 A / Min 0 A

  • Standby $+12\text{Vsb}$ Rail: Max 2.1 A / Min 0 A

• Regulation & Noise:

  • Voltage Regulation: $\pm 5\%$

  • Output Ripple & Noise: 120 mV Max

Efficiency & Environmental Specs

1. 80 PLUS Titanium Certification

The PWS-1K02A-1R is certified at the highest standard of energy efficiency, reducing operational heat dissipation and electricity waste:

• Typical Efficiency: 96%+ at 50% load under 230 $V_{AC}$ input.

2. Operating & Environmental Conditions

• Operating Temperature: 0 °C to 50 °C (32 °F to 122 °F)

• Non-Operating Temperature: -40 °C to 70 °C (-40 °F to 158 °F)

• Operating Altitude: Up to 5,000 meters (approx. 16,400 feet)

• Relative Humidity: 5% to 85% (Non-condensing)

Key Features & Protection Systems

• Hot-Swappable $N+1$ Redundancy: Integrates seamlessly into compatible Supermicro power distribution backplanes, allowing replacement while the server remains online without downtime.

• Remote Management via PMBus 1.2: Supports real-time monitoring of input voltage, output current, thermal status, and energy usage metrics through the system BMC/IPMI interface.

• Diagnostic LED Indicator: Provides quick visual cues on normal operational status or fault conditions (overtemperature, voltage faults, etc.).

• Built-in Protection Circuits:

  • Output Over-Current Protection (OCP)

  • Output Over-Voltage Protection (OVP)

  • Short-Circuit Protection (SCP)

  • Over-Temperature Protection (OTP)

  • Input Under-Voltage Protection (UVP)

Chassis Compatibility

The PWS-1K02A-1R is commonly deployed in several high-density Supermicro server chassis lines, including:

• CSE-819U (1U SuperServer series)

• CSE-119 (1U High-density storage/server series)

• CSE-218 / CSE-219 (2U Chassis series)

• CSE-829 / CSE-829U (2U Dual-node or Ultra-server chassis series)

Regulatory and Safety Compliances

• Safety Standards: UL60950-1 / CSE 60950-1, EN60950-1, IEC60950-1

• Certifications: CB Report, CE Low Voltage Directive, BSMI, CCC GB4943 (China), RoHS, REACH

• Electromagnetic Compatibility (EMC): FCC Class A, EMI Class A