Advanced Energy / Artesyn NFS40-7612 Power Supply

The Advanced Energy / Artesyn NFS40-7612 is a 40W open-frame AC-DC power supply engineered for industrial and commercial ITE applications. This single-output converter delivers +12V at 3.3A with universal input acceptance from 85–264 VAC or 120–370 VDC, making it suitable for diverse global power environments. The compact 5.00" × 3.00" × 1.20" chassis-mount design fits 1U form factors while maintaining 70% typical efficiency and supports both free-air and forced-air cooling scenarios.

Technical Specifications

• Output: +12V @ 3.3A, single output


• Input Range: 85–264 VAC or 120–370 VDC


• Power Capability: 40W (free air), 50W (20 CFM forced air)


• Input Power Limit: 90W


• Input Surge Current: 12A max (132 VAC cold start), 24A max (264 VAC cold start)


• Efficiency: 70% typical


• Isolation Voltage: 3 kVAC


• Line Regulation: ±0.2% (main output, full load)


• Load Regulation: ±2.0% (full to no load)


• Temperature Coefficient: ±0.02%/°C


• Operating Temperature: 0–70°C with derating


• Operating Altitude: 10,000 feet maximum

Key Features

• Overvoltage Protection standard (OVP at 125% ±15% Vout)


• Short-circuit protection with indefinite current limiting on single outputs


• Minimum load requirement specified


• EMC compliance to EN55022 Class A


• VDE, UL, CSA, EN60950, IEC950 certified (series approvals)


• RoHS non-compliant

Typical Applications Industrial control systems, commercial telecommunications equipment, and embedded systems requiring regulated 12V rails with universal input acceptance and compact mounting integration.

Compatibility & Integration The NFS40-7612 is obsolete but remains available for purchase and support. Part status should be verified with distributor inventory before design integration. Chassis-mount configuration requires mechanical integration into host systems with appropriate thermal management for sustained operation.