Xi'an, Shaanxi, China · OEM / ODM Transformer & Power Supply Manufacturer [email protected]  |  ✔ Intertek-Verified Supplier
Shaanxi Zelqo Power Co., Ltd. · Product Catalog

Switching Power Supply Solutions

High-efficiency enclosed AC-DC power converters, variable DC power sources, waterproof LED drivers, and custom industrial power solutions engineered for reliable international deployment.

Catalog Overview

Engineered SMPS & Power Modules

CE, FCC, and RoHS compliant industrial power units designed with OVP, OCP, and SCP protection.

CE FCC
Industrial Enclosed Switching Power Supply 12V 1A to 50A

Industrial Switching Power Supply 12V Series (1A - 50A)

$5.00 - $12.00 Min. Order: 1 pc

Enclosed perforated aluminum alloy housing, broad AC input (100–240V), low ripple design for automation & LED systems.

CE FCC
12V 50A AC DC High Power Configurable SMPS

High-Power 12V 50A (600W) Configurable AC-DC Unit

$7.50 - $12.00 Min. Order: 50 pcs

Integrated thermostatic cooling fan, heavy-load output stability, built-in EMI filtering for audio and machinery.

CE LVD
12V 30A Variable DC Switching Power Supply

Regulated Variable DC Power Supply 12V 30A

$6.00 - $8.50 Min. Order: 50 pcs

Fine-tuning output potentiometer (±10%), overload protection, high reliability under continuous full-duty cycles.

CE FCC
Desktop Uninterruptible Regulated DC Power Supply

Desktop Regulated Uninterruptible DC Power Supply

$6.00 - $20.00 Min. Order: 1 pc

Compact desktop format, transient surge suppression, designed for telecommunications and security workstations.

IP67 RoHS
IP67 Waterproof Outdoor LED Driver Power Supply

IP67 Waterproof LED Driver (12V / 24V Constant Voltage)

$5.00 - $9.99 Min. Order: 5 pcs

Full epoxy potting for complete water resistance, robust against outdoor environmental stress, lightning surge protected.

CE FCC
High Wattage AC to DC 1500W Power Supply

High-Capacity AC-DC 1500W Switching Power Unit (24V)

$5.00 - $10.00 Min. Order: 5 pcs

Heavy industrial grade with power-factor correction (PFC), parallel capability, engineered for severe machine tool operations.

Manufacturing & Engineering Excellence

Strict Production Workflow & Quality Control

Every unit is assembled with precision and tested under load to ensure reliable field life.

Transformer coil automated winding
01. Winding
Precision material cutting
02. Cutting
Magnetic core insulation
03. Core Insulation
Primary winding stage
04. Primary Winding
Precision wiring process
05. Wiring Process
Semi-finished products testing
06. Semi-Finished Test
100% full-load aging test
07. Aging Test
Finished goods comprehensive electrical inspection
08. Finished Goods QC
Shockproof protective packaging
09. Clean Packing
Secure export carton loading
10. Export Delivery
Precision Equipment

Advanced Production & Metrology Facilities

CNC Winding Machine
CNC Winding Machine
Circular Winding Machine
Circular Winding Machine
Wrapping Machine
Wrapping Machine
Crimping Machine
Crimping Machine
Assembly Fixture
Assembly Fixture
Digital Power Meter
Digital Power Meter
AC Power Source
AC Power Source
LCR Digital Bridge Tester
LCR Bridge Tester
DC Low Resistance Tester
DC Resistance Tester
Hi-pot Dielectric Tester
Hi-pot Tester
Why Overseas Sourcing Teams Choose Zelqo

Reliable Engineering & Verified Supply Chain

100% Full-Load Burn-In

Every SMPS undergoes aging test cycles to eliminate early failure components prior to export shipment.

Dielectric Safety Test

Winding and casing dielectric tests are verified with precision Hi-pot instruments to meet CE & FCC requirements.

Custom Form & Output

Shaanxi Zelqo Power Co., Ltd. customizes output voltage taps, current ranges, terminal connections, and packaging.

Direct Engineering Support

Communicate directly with our power supply design engineers for sample evaluations and technical BOM validation.

Need a Custom Switching Power Supply or Transformer?

Submit your electrical requirements (voltage, current, wattage, housing dimensions, and safety certifications).

Send an Inquiry