Overview
The Keyence SL-U2 power supply module is a switching-type power supply unit designed for use with Keyence safety light curtain systems, particularly the SL-R11 series. This compact DIN rail-mounted module converts wide-range AC input to stable 24VDC output, providing consistent power delivery to your safety light curtain installations and industrial automation systems.
Key Features
- Switching-type power supply for efficient DC conversion
- Wide input voltage range: 100–240VAC (±10%), 50/60 Hz
- Stable 24VDC (±10%) regulated output
- DIN rail mounting for easy panel integration
- Class 2 power output for safety-critical applications
- Compact design with low power consumption (135 VA)
Technical Specifications
- Input Voltage: 100–240VAC ±10%, 50/60 Hz
- Output Voltage: 24VDC ±10%, Class 2
- Output Current: 1.8A (Maximum)
- Input Current: 0.98A at 100-240VAC
- Power Consumption: 135 VA
- Ripple/Noise: 240 mV p-p or less
- Supply Voltage Interruption Hold-up: 10 ms max.
- Operating Temperature: −10 to +55 °C (14 to 131 °F), no freezing
- Relative Humidity: 35–85% RH (no condensation)
- Mounting: DIN rail
- Weight: 0.60 lbs
- Withstand Voltage: 1,500 VAC, 1 minute
- Insulation Resistance: At least 50 MΩ (500 VDC, between external terminals and case)
- Safety Standards: EN60950-1, EN50178, UL60950-1, UL508
- EMC Standards: EN61000-6-2, EN55011 Class A, FCC Part 15 Class A
Typical Applications
- Powering Keyence safety light curtains (GL-R, GL-V series)
- Industrial machine guarding systems
- Access control and safety interlocks
- Factory automation and assembly lines
- Heavy equipment protection systems
Compatibility & Replacements
Compatible With
- Keyence GL-R series safety light curtains
- Keyence GL-V series safety light curtains
- Keyence SL-R11 light curtain receiver
- Standard DIN rail mounting systems
- 24VDC automation control systems
Replaces / Drop-In Replacement For
- Direct replacement for original Keyence SL-U2 units
- Verify exact application before replacement to ensure safety light curtain compatibility
Works With
- Keyence safety light curtain systems
- Any 24VDC Class 2 powered automation devices
- Standard DIN rail mounted enclosures
- Safety control systems meeting EN60950-1 and UL508 standards
