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

Product Catalog

Engineered electromagnetic components, power conversion modules, and safety-certified power adapters built to global industrial standards.

Showing core product series from Shaanxi Zelqo Power Co., Ltd.
Intertek Verified Factory CE & FCC Compliance 100% Hi-Pot & Aging Tested
CE · FCC · LVD
12V 36V 24VDC Regulated Switching SMPS Converter
Industrial SMPS

12V 36V 24VDC Industrial Regulated Switching Power Supply AC-DC

Topology: Regulated SMPS Efficiency: ≥88% Full Load Protection: OVP, OCP, SCP
$6.00 - $15.00 Min. Order: 30 pcs
CE · Class II
12V 2A 24W AC DC Wall Mount Adapter
Power Adapter

12V 2A 24W AC-DC Wall Mount Adapter 100-240V EU/US Plug

Input: 100–240 VAC 50/60Hz Output: 12VDC 2000mA Insulation: Class II Double Insulated
$0.81 - $0.86 Min. Order: 10 pcs
CE · FCC
12V 2A Plug-in Universal Power Adapter
Power Adapter

12V 2A Universal Plug-in Power Supply for Home Appliances & CCTV

Input: Wide Voltage 100-240V DC Connector: 5.5 × 2.1mm / 2.5mm Ripple: <100mVp-p Low Noise
$0.81 - $0.86 Min. Order: 10 pcs
CE · Level VI
12V 2A Plug-in Power Adapter DC 12V 2000mA Wall Charger
Power Adapter

High-Efficiency 12V 2000mA Wall Charger for Networking & Routers

Efficiency: DoE VI / CoC Tier 2 Operating Temp: 0°C to +40°C Cable Length: 1.2m / 1.5m Custom
$0.82 - $0.86 Min. Order: 10 pcs
CE · LVD · FCC
12V 2A Power Supply 24W AC to DC Adapter EU 2-Pin Plug
Power Adapter

24W AC-DC EU 2-Pin Plug Adapter for LED Strip & Smart Security

AC Input: Europlug CEE 7/16 Output: 12V Regulated DC Dielectric Strength: 3000VAC Primary/Sec
$0.81 - $0.86 Min. Order: 10 pcs
CE · OEM Custom
12V 2A Plug-in AC DC Adapter 24W Universal Power Supply
Power Adapter

Custom 12V 2A AC-DC Adapter with Specified Barrel Connector

DC Output: 12V 2.0A Constant Standby Loss: <0.1W Eco Design Branding: OEM Labeling & Package
$0.81 - $0.86 Min. Order: 10 pcs
Bridge Rectifier Built-in
EI Low Frequency Transformer with GBJ1010 Rectifier
Low Frequency Transformer

EI Laminated Low Frequency Transformer with Integrated GBJ1010 Rectifier

Input: 110V AC 50/60Hz Output: 12V Rectified Output Mounting: Heavy Duty Bracket Tabs
$9.00 - $17.00 Min. Order: 50 pcs
DIN Rail Mounting
DIN Rail Power Supply 15W 12V 1.25A AC to DC Converter
Industrial SMPS

HDR-15-12 Slim DIN Rail Power Supply 15W 12V 1.25A for Automation

Mounting: TS-35 / 7.5 or 15 Rail Profile: Ultra-Slim Plastic Body Standard: EN61000-6-2 Industrial
$3.00 - $8.00 Min. Order: 10 pcs
Pure Copper Winding
220V Custom Power Trafo Transformer Copper Winding
Power Transformer

Custom 220V Power Transformer Heavy Duty Copper Winding OEM Build

Conductor: 100% Oxygen-Free Copper Dielectric Test: 3.75kV Primary/Secondary Impregnation: Vacuum Varnished
$1.50 - $3.00 Min. Order: 100 pcs
Galvanized Steel Frame
EI005730 Low Frequency Power Transformer 110V 60Hz
Low Frequency Transformer

EI005730 Low Frequency Power Transformer 110V 60Hz Input 12V Output

Core Type: Silicon Steel EI Lamination Mounting: Oval Tab Galvanized Frame Insulation: Class B (130°C) Rated
$3.00 - $10.00 Min. Order: 50 pcs
Integrated Rectification
Low Frequency EI Laminated Core Power Transformer Step Down
Low Frequency Transformer

Step Down EI Power Transformer with Bridge Rectifier for Control Boards

Frequency: 50 Hz / 60 Hz Universal Losses: Optimized Low Core Loss Application: HVAC & Industrial Systems
$3.00 - $10.00 Min. Order: 50 pcs
Low Hum Audio Grade
110V AC to 12V AC EI Step Down Transformer
Low Frequency Transformer

110V to 12V AC Step-Down EI Transformer for Amplifiers & Precision Instruments

Input: 110VAC 60Hz Secondary: 12VAC Regulated Ratio Features: Silent Operation, Low Stray Field
$8.00 - $15.00 Min. Order: 50 pcs
High Surge Tolerance
EI Low Frequency Power Transformer 110V AC to 12V AC
Low Frequency Transformer

EI Series Line Transformer with Full-Wave Rectification Stage

Isolation: Galvanic Mains Isolation Winding: Layered Insulation with Mylar Tape Testing: Hi-Pot Checked at 3.5kV
$9.00 - $17.00 Min. Order: 50 pcs
Non-Invasive Clamp
500:1 Split Core Current Transformer SCT
Current Sensor

500:1 Split-Core Current Transformer Sensor for Submetering & Energy Audit

Ratio: 500:1 Precision Turn Ratio Installation: Hinged Open-Close Clip Linearity: Class 0.5 / Class 1 Accuracy
$0.20 - $1.35 Min. Order: 50 pcs
High Accuracy
Split Core Current Transformer SCT 500:1 Fullstar CT Sensor
Current Sensor

SCT Series Clamp-On Current Transformer for Smart Power Monitoring

Frequency: 50Hz–400Hz Casing: UL94-V0 Flame Retardant Output: mA or mV Proportional Output
$0.20 - $1.35 Min. Order: 50 pcs
Snap-On Design
Snap-On Clip Type Split Core Current Transformer
Current Sensor

Snap-On Clip Type Current Sensor for Rapid Retrofit Field Installation

Design: One-Click Latch Mechanism Core Material: Silicon Steel / Permalloy Safety: Built-in TVS Surge Suppression
$2.85 - $5.35 Min. Order: 100 pcs
Workshop Capabilities

Production Machinery & Testing Lab

Precision winding machines and certified dielectric test instrumentation

CNC Winding Machine
CNC Winding Machine
Circular Winding Machine
Circular Winding Machine
Multi-Spindle Winding Machine
Multi-Axis Winder
Automatic Wrapping Machine
Tape Wrapping Machine
Cutting Instrument
Cutting Instrument
Pipe Cutter
Insulation Pipe Cutter
Crimping Machine
Terminal Crimping Machine
Custom Assembly Fixture
Precision Tooling Fixture
Finished Goods Inspection
Finished Goods Inspection
Digital Power Meter
Digital Power Meter
AC Power Source
AC Power Source Bench
LCR Digital Bridge Tester
LCR Digital Bridge Tester
DC Low Resistance Tester
DC Low Resistance Tester
Impulse Winding Tester
Impulse Winding Tester
Hi-pot Dielectric Tester
Hi-pot Dielectric Tester

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