L21720A00 Power Module Genuine Spare Part for OTC DAIHEN

OTC DAIHEN Robot Power Supply Unit L21720A00 Genuine Part

The OTC DAIHEN L21720A00 is an original power supply unit designed for industrial robot controllers. The physical unit is marked MODEL: L21720 / JH01G, but the correct ordering number is L21720A00. It is compatible with both DAIHEN (OTC) and NACHI robot systems, serving as the core power module for stable robot operation.

🔧 Function & Installation

Installed inside the robot controller cabinet, this unit converts the input voltage into multiple DC outputs required for servo drives, control circuits, I/O interfaces, etc. All connectors are keyed to prevent mismatching, making field replacement quick and error-free.

⚡ Technical Specifications

• Compatibility: OTC DAIHEN industrial robots & selected NACHI models (check controller type)

• Input voltage: AC 200–230V or AC 380–480V (depending on configuration)

• Outputs: Multiple isolated rails including +5V, ±15V, +24V control voltages and motor drive bus

• Protection: Overcurrent, overvoltage, short-circuit; built-in cooling fan

• Certifications: CE, UL compliant

  
  

* All images are of actual products, guaranteed genuine. For compatibility inquiries, contact our technical team.