Overview
The Triad WSU240-1000 is a wall plug-in switching mode power supply engineered for reliable DC power conversion in industrial control, instrumentation, and consumer equipment applications. This 24V 1A unit delivers stable, regulated output with a compact external form factor, reducing design complexity and manufacturing costs. Its robust design is ideal for system integrators and maintenance professionals seeking a dependable, space-efficient power source.
Key Features
- Regulated Output: Fixed 24V DC with minimal voltage variation across load range
- Wide Input Range: 100–240V AC, 50/60 Hz — operates globally without configuration changes
- External Wall Plug Design: Eliminates need for internal cooling, reducing end-product noise and size
- ITE Certified: Meets commercial/industrial safety and regulatory standards
- Barrel Plug Connector: Center-negative 2.1mm × 5.5mm × 11mm interface for quick integration
- RoHS Compliant: Lead-free construction meets environmental regulations
Technical Specifications
- Output Voltage: 24V DC (regulated)
- Output Current: 1A maximum
- Output Power: 24W
- Input Voltage Range: 100–240V AC
- Input Frequency: 50/60 Hz
- Output Connector Type: Barrel Plug (Center Negative)
- Connector Dimensions: 2.1mm I.D. × 5.5mm O.D. × 11mm length
- Number of Outputs: 1
- Form Factor: Wall Plug-In (Class II)
- Approvals: ITE, cETLus
- RoHS Compliance: Yes
- Series: WSU240
Typical Applications
- Industrial control systems and PLCs requiring low-voltage DC input
- HVAC and building automation equipment
- Security systems, access control, and surveillance equipment
- LED lighting and display systems
- Instrumentation and test equipment
- Telecommunications and networking apparatus
- General commercial electronics requiring 24VDC
Compatibility & Replacements
Compatible With
- Industrial equipment and control panels rated for 24V DC input
- Automation systems requiring 1A nominal draw at 24VDC
- Standard wall outlets (100–240V AC, 50/60 Hz)
- Equipment with center-negative barrel-plug inputs
Replaces / Drop-In Replacement For
- Other Triad WSU240 series models (WSU240-0500, etc.) with identical connector and voltage output
- Generic 24V 1A external wall-mount adapters with matching barrel-plug polarity
- Verify connector type and polarity with your equipment manufacturer before substitution
Works With
- 24VDC control circuits in Allen-Bradley, Siemens, Mitsubishi, Omron, and other industrial control systems
- Any Class II 24VDC-rated equipment with 2.1mm × 5.5mm center-negative barrel connector
- Standard 50/60 Hz power distribution systems worldwide



