Overview
The Lambda ZWS75AF-24/JA is a single-output AC-DC switching power supply designed for industrial and commercial applications requiring stable 24V DC power. This unit combines compact open-frame construction with active power factor correction, making it suitable for integration into control systems, LED lighting, test equipment, and automated machinery.
Key Features
- 77W output power with 3.2A load capacity at 24V DC
- Universal input voltage range: 85–265 VAC for worldwide use
- Active power factor correction for improved efficiency
- Input transient protection to guard against voltage surges
- Open frame, panel-mount design for flexible integration
- Convection cooling—no fan required for quiet operation
- 2-year manufacturer warranty on new units
- Peak power capability for dynamic load handling
Technical Specifications
- Output Voltage: 24 VDC
- Output Current: 3.2 A
- Output Power: 77 W
- Input Voltage Range: 85–265 VAC
- Input Frequency: 50–60 Hz
- Form Factor: Open Frame, Panel Mount
- Isolation: 3 kVac input-to-output
- Power Factor: >0.90 (typical)
- Operating Temperature: –10 to +70°C
- Safety Certifications: EN61000-3-2 (PFC), EN55011, EN55022-B, FCC-B, VCCI-B
Typical Applications
The ZWS75AF-24/JA is well-suited for:
- Factory automation and control systems
- LED signage and lighting control
- Test and measurement equipment
- Light industrial machinery and conveyors
- Telecommunications and networking equipment
- Industrial sensor and I/O modules
Compatibility & Replacements
Compatible With
- Industrial control systems requiring 24 VDC input
- PLC and automation equipment
- DIN-rail mounted panel assemblies
- OEM machinery with universal AC input (50/60 Hz)
Replaces / Drop-In Replacement For
- ZWS75AF-24/J (base model without /JA designation)
- Other 77W, 24V, 3.2A open-frame supplies in the ZWS series
Works With
- AC mains power: 85–265 VAC, 50–60 Hz
- DC loads drawing ≤3.2 A @ 24V
- Equipment with 3 kVac isolation requirement
- Systems requiring PFC compliance (EN61000-3-2)














