FSP500-70ACB 500W PS2/ATX Industrial AC/DC Switching Power Supply
- Technology
- IPC industrial computer power supplies
- Partner
- FSP Protek
The FSP500-70ACB is an industrial-grade 500 W ATX power supply designed for long-term reliability. Featuring 80 Plus Platinum efficiency, it delivers highly efficient power conversion with minimal wasted heat. Its standard PS2/ATX form factor of 150 × 140 × 86 mm allows easy integration into industrial PCs, servers, and workstations. The unit incorporates active PFC and high-quality components to ensure stable output and support heavy loads in industrial environments. Built-in protection circuits including OCP, OVP, OTP, and short-circuit protection help guard connected systems against electrical faults. With a full-range AC input of 90–264 VAC, it is suitable for global deployment. Compliance with UL, CE, FCC, EN 62368-1, CB, EAC, TÜV, and UKCA standards further supports use in automation, communications, and other mission-critical systems.
The FSP500-70ACB 500W ATX power supply is built for industrial systems that require dependable, efficient, and standards-compliant power delivery. Its PS2/ATX form factor simplifies installation in compatible chassis, while 80 Plus Platinum efficiency, active PFC, and comprehensive electrical protections make it well suited for industrial PCs, servers, communication equipment, and automation platforms.
Range features
A high level overview of what this range offers
- 500 W PS2/ATX form factor: Fits standard ATX/PS2 power supply bays for straightforward system integration.
- 80 Plus Platinum efficiency: Helps reduce energy loss, heat output, and operating costs.
- Active PFC design: Improves input power utilization and supports stable operation across global AC mains.
- 80 mm internal cooling fan: Provides effective thermal management for continuous industrial use.
- Low ripple and noise: Delivers cleaner DC output for sensitive boards and components.
- Comprehensive protections: Includes OCP, OVP, OTP, and short-circuit protection to safeguard the system.
- 100% Hi-Pot tested: Verifies insulation integrity and electrical safety on every unit.
- 100,000-hour MTBF: Supports long service life in demanding 24/7 environments.
- Full burn-in at 50°C: Confirms dependable performance under elevated ambient conditions.
Downloads
for FSP500-70ACB 500W PS2/ATX Industrial AC/DC Switching Power Supply
What’s in this range?
All the variants in the range and a comparison of what they offer
Parameter | Value |
Input Voltage | 90–264 VAC (full range) |
Input Frequency | 47–63 Hz |
Input Current (max.) | 8 A @ 115 VAC; 4 A @ 230 VAC |
Hold-up Time | ≥ 12 ms @ 115 VAC, ≥ 16 ms @ 230 VAC (at full load) |
Efficiency | 80 Plus Platinum (~90%+ efficiency) |
PFC | Active Power Factor Correction (PFC) |
Total Output Power | 500 W continuous |
Protections | OCP, OVP, OTP, SCP (short-circuit) |
Safety/EMC Compliance | UL/cUL, CE, FCC, CB, EAC, TUV (EN 62368-1), UKCA |
Cooling | 80 mm internal fan (temperature-controlled) |
Operating Temperature | 0°C to 50°C |
Storage Temperature | -20°C to +80°C |
Operating Humidity | Up to 85% RH (non-condensing) |
Storage Humidity | Up to 95% RH (non-condensing) |
MTBF | 100,000 hours @ 25°C (full load) |
Dimensions (W × D × H) | 150 × 140 × 86 mm (PS2/ATX standard) |
Output Connectors | 24-pin ATX, 8-pin EPS12V, PCIe 6+2 pin, SATA, Molex (multiple) |
| Output Rail | +3.3 V | +5 V | +12 V1 | +12 V2 | +5 Vsb | -12 V |
|---|---|---|---|---|---|---|
Max. Load | 24 A | 20 A | 18 A | 18 A | 3 A | 0.5 A |
Min. Load | 0 A | 0.2 A | 0.05 A | 0 A | 0 A | 0 A |
Regulation | ±5% | ±5% | ±5% | ±10% | ±5% | ±10% |
Ripple/Noise (max) | 50 mV | 50 mV | 120 mV | 120 mV | 50 mV | 120 mV |
- Combined output note: The +3.3 V and +5 V rails have a combined power limit of 120 W.
- Legacy compatibility option: An optional -5 V output rated up to 0.2 A may be available for legacy applications.
- Industrial readiness: Full burn-in at 50°C and 100% Hi-Pot testing support reliable deployment in demanding environments.
FAQs
for FSP500-70ACB 500W PS2/ATX Industrial AC/DC Switching Power Supply
This power supply supports a wide AC input range from 90 VAC to 264 VAC. It automatically adapts to mains voltages used worldwide without requiring manual switching.
80 Plus Platinum indicates very high power conversion efficiency, typically around 90–92% near mid load. This helps the unit run cooler and reduces wasted energy compared with lower-efficiency power supplies.
The unit uses the standard PS2/ATX form factor and measures 150 × 140 × 86 mm. It is designed to fit chassis that accept full-size ATX power supplies.
It includes standard ATX power connectors such as a 24-pin ATX main connector, 8-pin EPS12V CPU connector, PCIe 6+2 pin connector(s), and multiple SATA and Molex connectors for drives and peripherals.
This model includes Over-Current Protection (OCP), Over-Voltage Protection (OVP), Over-Temperature Protection (OTP), and Short-Circuit Protection (SCP). These features help prevent damage to both the power supply and connected equipment during abnormal operating conditions.
Yes. The FSP500-70ACB is designed for continuous use, with an MTBF of 100,000 hours at 25°C and full burn-in testing at 50°C to support dependable operation in demanding environments.
Yes, it uses Active Power Factor Correction (active PFC). This improves how efficiently the power supply draws current from the AC mains, helping reduce wasted reactive power and supporting compliance with international EMC requirements.
The FSP500-70ACB complies with major international safety and EMC requirements, including UL/cUL, CE, FCC, CB, TÜV (EN 62368-1), UKCA, and EAC.
