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Streamline Test Racks with Scalable, Remote-Controlled Power
Our rack mount power supplies deliver reliable, programmable DC power in a compact form factor that fits directly into standard 19” racks—making them ideal for ATE systems, production lines, and high-density test environments. With remote control capabilities via USB, LAN, or GPIB, you can automate your test sequences, scale output as your system grows, and reduce bench clutter.
Find the Rack-Mountable Power Supply for Your Application
Featured Product: EA-PSB Series
Bidirectional Rack Power Supply With Energy Recovery
Deliver up to 30 kW in a compact 4U unit or up to 60 kW in a 6U unit—and scale to 1.92 MW or 3.84 MW respectively in a full rack system. With bidirectional operation, regenerative energy recovery, and autoranging output, the EA-PSB series is engineered for high-efficiency testing in EV, battery, and industrial power applications.
- Bidirectional Power – Seamless source and sink
- Energy Recovery – Return excess power to the grid
- Autoranging Output – Flexible voltage and current combinations
- Rack-Optimized Design – 2U–6U form factors for scalable test systems
Compare Tek's Best Rack Mount Power Supplies
| Feature | EA-PSB Series | EA-PSI 10000 Series | Keithley 2260B Series | Keithley 2281S Series | EA-PU Industrial Series | EA-PUB Industrial Series |
| Operation Mode | Bidirectional (source & sink) with regen | Unidirectional (source only) | Unidirectional (source only) | Unidirectional with battery simulation | Unidirectional (source only) |
Bi-Directional (source & sink) |
| Power Range | 1.5 kW–30 kW per unit (scalable to MW) | 1.5 kW–30 kW per unit | 360 W–1080 W | 192 W | 30 kW-60 kW per unit (scalable to MW) | 30 kW-60 kW per unit (scalable to MW) |
| Form Factor | 2U–4U rack mount | 2U–4U rack mount | Bench or 2U rack with kit | Bench or 2U rack with kit | 4U–6U rack mount | 4U–6U rack mount |
| Control Interfaces | USB, LAN, CAN, Modbus, EtherCAT, SCPI | USB, LAN, CAN, Modbus, EtherCAT, SCPI | USB, LAN, GPIB, SCPI | USB, LAN, GPIB, SCPI | USB, LAN, CAN, Modbus, EtherCAT, SCPI | USB, LAN, CAN, Modbus, EtherCAT, SCPI |
| Autoranging Output | ✅ Yes | ✅ Yes | ❌ Fixed range | ❌ Fixed range | ✅ Yes | ✅ Yes |
| Energy Recovery | ✅ Yes (grid return) |
❌ No | ❌ No | ❌ No | ❌ No | ✅ Yes (grid return) |
| Built-In Waveform Generation | ✅ Yes (touchscreen + software) |
✅ Yes | ❌ No | ✅ Yes (battery profiles only) |
✅ Yes (software only) |
✅ Yes (software only) |
| Best For | Battery cycling, inverter test, regen testing | ATE systems, industrial test, R&D | R&D, validation, production test | Portable device, low-power battery simulation | Electrolysis, ATE systems, aerospace applications, industrial test | Battery testing/cycling, fuel cell testing, solar simulation |
Why Choose a Rack Mount Power Supply from Tektronix?
Tektronix rack-mounted power supplies aren’t just high-performance—they’re engineered for safety, automation, and system compliance right out of the box. Whether you’re powering an EV drivetrain test stand or integrating into a high-voltage ATE system, our standard racks are built to meet international safety standards and protect both personnel and equipment.
Safety That Comes Standard
Every EA rack power system includes an integrated safety system designed for high-risk environments.
- EN 60204-1 Compliant – Meets global machine safety standards
- Dual-Channel Fast Stop – Emergency stop button and rear door interlock switches
- Central Safety Relay – Monitors and shuts down power if triggered
- Redundant AC Contactor Control – Eliminates single-point power failures
- Ready for 3-Phase Mains – Supports 400–480 V AC connections
- Optional NS Protection – Add advanced protection where needed
Built for Automation
Designed to drop straight into automated workflows without rewiring or rewriting control logic.
- Remote Interfaces – USB, Ethernet, CAN, Modbus, EtherCAT, and more
- SCPI & LabVIEW Support – Compatible with standard automation tools
- Built-In Sequencing – Run dynamic load profiles directly from the supply
- Waveform Generation – Program and replay voltage/current curves
- Remote Safety Integration – Tie into external safety chains or PLC logic easily
System Compliance You Can Trust
Avoid surprises during safety audits or system validation with out-of-the-box compliance features.
- CE & EN Certified – Meets critical European safety and EMC directives
- Documentation Included – Wiring diagrams, safety specs, and test reports available
- Failsafe Design – Redundant systems and clear status indicators
- Designed for Integration – Pre-configured for standard 19” rack systems
- Power Monitoring Ready – Supports detailed logging for traceability and QC
Industrial Series Rack-Mount Power Supplies
Engineered for reliability, efficiency, and precise control. These high-density units minimize rack and floor space requirements, offering durable construction and precise operation that production engineers rely on for consistent, high-quality outcomes.
EA-PU 10000 6U DC Power Supply
- Up to 2000 V, up to 480 A (60 kW)
- Robust DC power supply delivering precise, stable power output ideal for demanding production and testing applications. Its compact 6U chassis maximizes rack efficiency and reliability during continuous use.
EA-PUB 10000 6U Bi-Directional Power Supply
- Up to 2000 V, up to 480 A (60 kW)
- Bi-directional supply featuring regenerative capabilities that boost energy efficiency and reduce operating costs. Combines durable design and precise control within a compact 6U form factor.
EA-PU 10000 4U DC Power Supply
- Up to 2000 V, up to 1000 A (30 kW)
- High-density DC supply providing precise voltage and current management in a streamlined 4U package. Ideal for production environments requiring dependable performance in compact installations.
EA-PUB 10000 4U Bi-Directional Power Supply
- Up to 2000 V, up to 1000 A (30 kW)
- Compact bi-directional power supply optimized for regenerative energy recovery, improving efficiency and reducing operational expenses. Delivers robust reliability and precise control within its space-saving 4U design.
Industrial vs. Other Rack-Mount Power Supplies
| Feature | Industrial Rack Supply | Laboratory Rack Supply | Programmable Rack Supply |
| Application | Heavy-duty, continuous industrial production environments | Precision laboratory testing | Versatile automated testing |
| Power Capacity | High (often multi-kW) | Moderate (typically W to low kW) | Variable (W to mid-high kW) |
| Efficiency | High efficiency, often regenerative | Standard efficiency | High, often customizable |
| Automation | Advanced remote automation features | Limited automation | Highly programmable automation |
| Voltage/Current | High-voltage/high-current capabilities | Moderate voltage/current levels | Broad, adjustable voltage/current |
What Is a Rack Mount Power Supply (and How Does It Work)?
A rack mount power supply is a DC power source housed in a standardized chassis (typically 2U 2U, 3U, 4U, or 6U) designed for installation in 19” equipment racks. These power supplies offer the same functionality as benchtop units—voltage/current control, measurement accuracy, protection features—but with added scalability and integration features for system-level applications.
Key traits include:
- Standardized Mounting – Fits rack rails for secure system integration
- Remote Operation – Control via USB, or LAN
- Stackable Output – Scalable power through series/parallel configurations
- Cooling Optimization – Airflow design for dense rack environments
Rack Mount vs. Benchtop Power Supplies: Side-by-Side Comparison
| Feature | Rack Mount Power Supply | Benchtop Power Supply |
| Form Factor | 2U/3U rack-mounted | Freestanding unit |
| Ideal Use Case | Automated test systems (ATE, EV) | Lab experiments, prototyping |
| Remote Interfaces | USB, LAN, GPIB, RS-232 | Often includes same interfaces |
| Scalability | Easily daisy-chained or stacked | Less modular |
| Portability | Fixed installation | Portable, standalone |
| Space Efficiency | High – no bench footprint | Requires benchtop space |
Browse Types of Power Supplies
Eliminate Power Delivery Challenges in Automated Test Systems
Simulate Real-World EV Load Conditions
Need to emulate charging, regen, or transient failures? Program dynamic voltage/current sweeps with autoranging output and energy recovery. No external load banks or switching required.
Integrate Seamlessly into ATE Racks
Stop wrestling with benchtop workarounds. These supplies mount directly into your 19” rack, support SCPI and LabVIEW, and give you full remote programmability—so you can focus on test logic, not hardware hacks.
Keep EMI Low in Defense & Aerospace Testing
Need to emulate charging, regen, or transient failures? Program dynamic voltage/current sweeps with autoranging output and energy recovery. No external load banks or switching required.
Run Long-Duration Burn-In Without Failures
Tired of thermal drift or shutdowns mid-test? Get stable, accurate power with rack-grade thermal performance designed for continuous semiconductor validation and wafer-level stress tests.
Maximize Rack Density Without Sacrificing Control
Running out of space? These 2U and 3U units stack easily and deliver multi-kilowatt output. Scale power per DUT or per bay, without bulky wiring or benchtop sprawl.
Reduce Setup Time Across Shifting Test Requirements
You don’t have hours to reconfigure hardware for every new DUT. With built-in sequencing, waveform generation, and flexible autoranging, these supplies adapt fast—no need to swap units or manually tune output profiles.
Expert Tips for DC Power Supply Measurement
The 10 Stages of Design
Designing a reliable power supply requires careful planning, precise testing, and the right tools. Our Power Supply Measurement Tips guide walks you through the 10 essential stages of power supply design—from component selection to EMI troubleshooting and final validation. Whether you're optimizing efficiency, ensuring compliance, or troubleshooting issues, these expert insights will help you achieve better performance and faster time to market. And if you're selecting a new power supply, these tips will guide you in making the right choice. Because the best power supply isn’t just about specs—it’s about how you test and refine your design.
Resources Related to Rack Mount Supplies
Rack Mount Power Supply FAQs
What size rack are these power supplies compatible with?
Can these supplies be controlled remotely in an automated setup?
Are rack mount power supplies fan-cooled?
What’s the main advantage of rack mounting?
What safety features are available?
Network and supply protection (NS) increases safety for regenerative systems when EA power systems are equipped with regenerative systems such as PUB, PSB, PUL or ELR. In the rack system, the NS protection from a well-known supplier monitors the grid for the feed-in of generation and regenerative plants.
The module acts on the fast stop chain and switches off the entire rack in the event of a mains fault. Islanding (disconnection of the power grid from the connection to the larger power grid) is prevented