Description
The TDK-Lambda DRB120-12-3-A0 is a compact, high-efficiency DIN rail-mounted 3-phase power supply, delivering 120W of continuous output at 12VDC / 10A. Designed for industrial automation, process control, and panel-mounted applications, this model provides exceptional reliability and long operational life in demanding environments.
With a wide 3-phase input voltage range (350–575VAC), the DRB120-12-3-A0 is fully compliant with global industrial standards and offers seamless integration into international systems. The supply features a conservative thermal design, robust protection circuits, and boost mode output capability, supporting up to 174W for 600 seconds—ideal for high inrush or capacitive loads.
Equipped with screw-type terminals, DC-OK relay signalling, and remote inhibit function, it gives engineers full visibility and control of system health. Constant current overload protection and advanced fault handling ensure dependable performance across its wide operating temperature range of -25°C to +70°C.
Features and Benefits – TDK-Lambda DRB120-12-3-A0
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12VDC Output at 10A Continuous (120W):
Delivers a stable, regulated low-voltage output ideal for powering sensors, relays, controllers, and embedded systems in industrial applications. -
Boost Mode Output – 14.5A (174W) for 600 Seconds:
Supports high inrush or transient loads such as motors, capacitive devices, and start-up sequences without compromising voltage regulation. -
Wide 3-Phase Input Range (350–575VAC):
Ensures compatibility with industrial mains systems globally and reduces the need for input transformers or configuration changes. -
High Efficiency (≥89.4%):
Minimises heat generation, improves energy savings, and supports compact enclosure design without forced ventilation. -
Constant Current Overload Protection:
Allows for reliable operation with demanding loads by limiting current draw and entering hiccup mode if faults persist, reducing component stress. -
Remote Inhibit Function:
Enables system-level control over the power supply using digital logic or automation controllers—improving system safety and responsiveness. -
DC-OK Relay Output:
Provides real-time output status monitoring, ideal for integration with PLCs, alarms, or remote diagnostics. -
Adjustable Output Voltage (11.4 – 15VDC):
Allows for fine-tuning to match load requirements or compensate for voltage drops in extended cabling. -
Convection Cooling with Wide Operating Temperature (-25°C to +70°C):
Designed for silent operation and long-term reliability, even in thermally demanding environments—no derating required below +55°C. -
Compact DIN Rail Mounting (55mm Width):
Saves valuable panel space and fits easily into standard control cabinets using TS35/7.5 or TS35/15 rails. -
Fully Certified and Compliant:
Approved to IEC/EN/UL/CSA 61010-1 and 62368-1 standards, with CE and UKCA markings for international use and regulatory peace of mind. -
IP20 Rated Enclosure:
Suitable for enclosed industrial environments, offering safe finger protection and simple integration into electrical panels.
