TDK‑Lambda CUS600M & CUS1000M Series Power Supplies: Medical‑Grade, High‑Density and High‑Efficiency Power Solutions

As a global leader in power‑supply technology, TDK‑Lambda offers the CUS600M (600 W) and CUS1000M (1000 W) series AC‑DC power supplies. Featuring medical‑grade safety standards, industry‑leading power density and ultra‑high efficiency of over 95 %, they serve as benchmark solutions for mid‑to‑high‑end compact high‑power‑supply applications.

I. CUS600M Series: 600 W Compact Power Supply in Industry‑Standard 3 × 5‑inch Form Factor

The CUS600M is a 600 W single‑output AC‑DC power supply from TDK‑Lambda. It adopts the industry‑standard 3 × 5‑inch (76.2 × 127 mm) package with a height of only 37 mm, balancing compact footprint and excellent heat dissipation. It delivers 600 W full‑load output under forced‑air cooling and 400 W continuous output (600 W peak) under natural convection, meeting requirements for space‑constrained and low‑noise operation.

(1) Key Specifications

Input Voltage: 85–265 Vac (worldwide grid compatibility; full‑load operation at 90 Vac)Output Voltage: Seven standard models: 12 V / 19 V / 24 V / 28 V / 32 V / 36 V / 48 VEfficiency: Up to 96 %; no‑load power consumption ＜ 0.5 W (output disabled)Standby Power: Built‑in 5 V / 2 A standby output for system standby power demandsControl Functions: Remote On/Off, Remote Sense, Power Good signalOperating Temperature: −20 ℃ ~ +70 ℃ (derating above 40 ℃)Safety Certifications: IEC/EN/UL 60601‑1 (Medical 2 × MOPP), IEC/EN/UL 62368‑1, CE (LVD/EMC/RoHS), Class B EMIDimensions / Weight: 76.2 × 127 × 37 mm, approx. 470 g

(2) Core Advantages

Dual‑safety Compatibility: Supports Class I (earthed) and Class II (double‑insulated, earth‑free) installation to satisfy safety requirements for medical, industrial and other applications.Ultra‑low‑noise Operation: Optional integrated fan‑equipped enclosure paired with high‑efficiency topology delivers low fan noise, ideal for noise‑sensitive environments such as medical facilities and laboratories.High Reliability & Long Service Life: 5‑year warranty, redundant design for critical components, MTBF exceeding 800 000 hours @25 ℃, suitable for 7 × 24‑hour continuous operation.

(3) Typical Applications

Medical Equipment: In‑vitro diagnostic instruments, patient monitors, dental equipment (compliant with 2 × MOPP medical isolation requirements)Industrial Automation: Compact servo drivers, industrial robots, laser marking equipmentTest & Measurement: ATE test systems, laboratory precision power supplies, RF test instrumentsCommercial Equipment: Broadcast equipment, LED large‑screen displays, high‑end office devices

II. CUS1000M Series: 1000 W High‑Power‑Density Medical‑Grade Power Supply

The CUS1000M is the high‑power flagship model of the CUS series. Packaged in a compact 3.3 × 6.7‑inch (85 × 171 mm) form factor with 42.5 mm height and a power density of 27.2 W/cm³, it is one of the smallest medically certified power supplies in the 1 kW class. It provides 1000 W full‑load output with forced‑air cooling for high‑power, space‑limited and high‑safety‑requirement scenarios.

(1) Key Specifications

Input Voltage: 85–265 Vac (full‑load at 90 Vac, compatible with global industrial power grids)Output Voltage: Four standard models: 12 V / 24 V / 36 V / 48 VEfficiency: Up to 95.5 %, low heat generation, suitable for sealed or high‑ambient‑temperature environmentsThermal Design: Equipped with variable‑speed fan; typical noise 30‑42 dBA, balancing heat dissipation and quiet performanceIsolation Ratings: Input‑to‑output 4000 Vac (2 × MOPP), input‑to‑ground 2000 Vac, output‑to‑ground 1500 Vac, meeting isolation requirements for Class B/BF medical devicesLeakage Current: ＜ 250 μA for medical‑device safety complianceOperating Temperature: −20 ℃ ~ +70 ℃ (no derating from −20 ℃ to 40 ℃; derated to 60 % at 70 ℃)Dimensions / Weight: 85 × 171 × 42.5 mm, approx. 850 g

(2) Core Advantages

Extremely Compact 1 kW Form Factor: Only half the volume of conventional 1 kW power supplies, greatly saving cabinet space for portable medical equipment and miniaturized industrial complete machines.Benchmark Medical‑Grade Safety: 2 × MOPP isolation, ultra‑low leakage current, Class B EMI. Medical EMC compliance can be achieved without extra filtering, simplifying system design.Broad‑Temperature Stability: Cold‑start capability at −20 ℃ and stable operation up to 70 ℃ for harsh industrial and medical environments; backed by a 5‑year warranty for long‑term reliable operation.

(3) Typical Applications

High‑end Medical Equipment: Ultrasound diagnostic systems, imaging equipment, dialysis machines, large‑scale physiotherapy devicesSemiconductor Equipment: Wafer inspection, etch auxiliary equipment, ion implanters (compliant with SEMI F47)High‑Power Industrial Equipment: Industrial robot controllers, high‑power laser processing equipment, servo motor drivesCommunications & New Energy: RF base stations, energy‑storage modules, auxiliary power for industrial UPS