eTM-L303SPL 30V 3A Variable Bench DC Power Supply — 90W
eTM-L303SPL Ultra-Low Noise Linear DC Power Supplies 30V 3A 90W · 1-Year Factory Warranty & 24/7 Direct Engineering Support
- • 03. Continuous Full-Load Endurance: Engineered for continuous 24/7 full-load laboratory and factory endurance without thermal de-rating.
- • ATE Automation Ready: Optional RS232, RS485, or USB communication interfaces for automated PC and ATE test system integration.
- • Dedicated Output ON/OFF Switch: Preset voltage & current safely before energizing DUT, eliminating live connection spikes.
- • Digital Tuning & High-Clarity Readout: Digital controls with multi-digit metering eliminate potentiometer wear and drift.
HARDWARE CONFIGURATION OPTIONS
eTM-L303SPL Ultra-Low Noise Linear DC Power Supplies 30V 3A 90W
Automatic seamless transition between constant voltage (CV) and constant current (CC) modes.
Hardware-level OVP, OCP, OTP, OPP, and continuous short-circuit foldback.
Engineered for continuous 24/7 full-load laboratory and factory endurance without thermal de-rating.
Optional RS232, RS485, or USB communication interfaces for automated PC and ATE test system integration.
| Photo | Model Number | Suffix & Meaning | Control Architecture & Use Cases | Unit Price | Fast Procurement |
|---|---|---|---|---|---|
 | 30V · 3A · 90W | [SPV] Represents:Micro-Step Precision High-Resolution Fine Tuning (<0.5mV RMS ultra-low noise floor) | Ultra-Low Noise High-Resolution Architecture with pure regulationPrimary Applications: Precision audio amplifiers, high-frequency RF modules, ultra-sensitive analog sensors | $801In Stock · DDP Air | |
| eTM-L303SPL★ Viewing 30V · 3A · 90W | [SPL] Represents:Multi-Digit Backlit Color LCD Display + Physical Keypad Security Lock | Wide Backlit Color LCD Screen with Anti-Tamper Front Panel LockPrimary Applications: Metrology labs, calibration benches, operator-proof industrial production lines | $801In Stock · DDP Air |
Ultra-low ripple architecture provides clean, regulated direct current for microcontroller prototyping and sensor boards.
Independent Constant Voltage (CV) and Constant Current (CC) auto-crossover enables safe short-circuit tracking.
Rugged steel enclosure and comprehensive 5-fold electronic protection withstand daily multi-user handling.
| Evaluation Metric | Traditional Multi-Tier Distributors (Tektronix / Keysight / Chroma) | Bench Power Supply (Direct Online Sourcing) |
|---|---|---|
| Equipment Acquisition Cost | 3x to 5x higher catalog list prices | $801 (Direct Catalog Pricing · 70% to 80% Cost Advantage) |
| Lead Time & Stock Availability | 12 to 24 weeks backorder lead time | In Stock · 1–3 Working Days Dispatch · ~10 Working Days Transit (DDP) |
| Purchasing Workflow | Complex multi-tier RFQs & sales rep cycles | Instant Online Checkout or 1-Click Formal PI |
| 110V / 220V Grid Compatibility | Region-locked SKUs or bulky external transformers | Full Rated Output up to 3000W on 110V & 220V |
Q1: Can I buy this model online in-stock with immediate dispatch?
Yes. You can purchase directly online on this official catalog page. Orders dispatch within 1–3 working days with approx. 10 working days transit via DDP air express. We support Credit/Debit Card, PayPal, and formal Proforma Invoice (PI) for corporate wire transfers.
Q2: How does international shipping and customs clearance work?
Every order includes Free Global Air Express under Delivered Duty Paid (DDP) terms (~10 working days door-to-door). All import customs clearance and tariffs are fully prepaid.
Q3: What is the warranty and return policy?
Every unit undergoes a 4–8 hour full-load burn-in chamber test before dispatch. We provide a 1-year official hardware warranty with direct engineering support.
Q4: Can the unit deliver full wattage on 110V/120V AC input?
Yes. All models up to 3000W deliver 100% rated power on 110V–130V lines without thermal de-rating. Models exceeding 1500W at 110V ship with heavy-duty industrial open cable leads.
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