Home
Supplier Discovery
Electrical & Electronics
Switching Power Supply
Dc Variable Power Supply Factories & Companies
Filter
Category
Consumer Electronics
Electrical & Electronics
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
Security & Protection
More
Management Certification
ISO9001:2008
Others
ISO9001:2015
ISO14001:2015
ISO45001:2016
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Gansu
More
about dc variable power supply
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
dc variable power supply
1,000+ factories verified
Yangzhou Idealtek Electronics Co., Ltd.
Send Inquiry
High Precision Low Ripple Variable High Voltage DC Power Supply 4u Bench Rack Mount Chassis for Capacitor Charging
US$
5,000.00
-
6,200.00
1 Piece
(MOQ)
300V20A Rack Mount Variable AC DC Power Supply
US$
1,450.00
-
1,900.00
3 Pieces
(MOQ)
High Precison Programmable Variable High Power Low Ripple DC Power Supply with 45kw ~ 60kw 0 ~ 1500V DC Voltage Output
US$
7,500.00
-
9,500.00
1 Piece
(MOQ)
150kw High Power Variable DC Power Supply - 500V300A
US$
23,580.00
1 Piece
(MOQ)
1/4
Ninghai Yingjiao Electrical Co., Ltd.
27 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
LCD TV Universal Power Board DC Power Supply Variable Selectable
US$
0.50
-
1.50
100 Pieces
(MOQ)
5V/6V/9V/12V AC/DC Variable Power Supply with Standard Circular DC Plug
US$
2.00
-
8.00
500 Pieces
(MOQ)
Factory Wholesale 5V/6V/9V/12V AC/DC Variable Power Supply with Standard Circular DC Plug
US$
2.00
-
8.00
500 Pieces
(MOQ)
Yingjiao Top Quality Patient Medical Power Supply for Patient Monitors
US$
1.90
-
3.90
500 Pieces
(MOQ)
1/4
Foshan Lihao Power Technology Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
China Manufacter Custom High Accuracy Air Cooling 8000A 12V Electrolysis Rare Earth Smelting IGBT Oxidation Variable DC Power Supply
US$
2,000.00
-
4,200.00
1 Piece
(MOQ)
China Manufacter Custom Thyristor Rectifier for Large-Scale Hydrogen Production Plant 8000A 12V Air Cooling Variable DC Power Supply
US$
2,000.00
-
4,200.00
1 Piece
(MOQ)
China Manufacter Custom 8000A 12V DC Variable Electrophoresis Power Supply for Plating Surface Treatment with Air Cooling
US$
2,000.00
-
4,200.00
1 Piece
(MOQ)
China Manufacter Custom 4000A 15V High Performance Hard Chrome Plating Rectifier Variable DC Power Supply
US$
1,000.00
-
2,900.00
1 Piece
(MOQ)
1/4
SHENZHEN XINPOMING POWER EQUIPMENT MANUFACTURING CO., LTD.
15 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
20kVA Variable Voltage and Variable Frequency (VVVF) Converter AC/AC AC/DC Power Supply
US$
1,405.00
-
1,660.00
1 Piece
(MOQ)
Customization 120kVA Variable Frequency Inverter AC DC Power Supply for Testing Environment
US$
3,500.00
-
4,100.00
1 Piece
(MOQ)
Xinpoming Variable Frequency AC DC Power Supply 90kVA
US$
3,200.00
-
3,800.00
1 Piece
(MOQ)
Xinpoming Hpc Series Solid State AC DC Frequency Converter Power Supply 40Hz to 499.9Hz
US$
5,076.00
-
6,000.00
1 Piece
(MOQ)
1/4
Shenzhen Gofern Electronic Co., Ltd.
Send Inquiry
10W Variable 5V 2A PCB Adjustable High Power Switching DC Power Supply Mini Size for Christmas Tree Switching DC 10W
US$
1.50
-
2.00
5 Pieces
(MOQ)
SMPS 300W High Constant Current Power AC Transformer DC Bench Tattoo Variable Power Supply 30V 10A 360W
US$
7.80
-
9.50
5 Pieces
(MOQ)
High Switching Power Supply 12V 20A Single Output 240W Variable DC 110V 220V AC Switching for Industrial Equipment
US$
6.35
-
7.20
5 Pieces
(MOQ)
220V AC DC Variable Adjustable 24V 4.2A 100W Universal Power Supply
US$
3.90
-
4.30
5 Pieces
(MOQ)
1/4
Zhejiang Leyu Electric Co., Ltd.
8 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Lrs-100-5 5V 20A Variable DC Board Switching Power Supply
US$
7.60
-
8.20
1 Piece
(MOQ)
Nes-25-24 Variable 30A DC Universal Adjustable Power Supply
US$
3.68
-
4.42
1 Piece
(MOQ)
Variable Nes-50-12 50W Transformer AC DC Switching Power Supply Single Output SMPS Units for LED Strips Lighting
US$
4.30
-
5.50
1 Piece
(MOQ)
Continuously Adjustable Current Voltage Industrial SMPS Voltage Variable DC Switching Power Supply with 5kv
US$
556.97
-
605.39
10 Pieces
(MOQ)
1/4
Wuhan Huadian High-Tech Electrical Equipment Co., Ltd
19 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Variable Bench Lab Adjustable Direct Current Regulated Power Supply Adjustable DC Power Source with Digital Meter, Voltage Current Power Resistance Display
US$
83.00
-
950.00
1 Piece
(MOQ)
High Precision DC Regulated Power Supply, Digital Voltage Current Display, Overload Protection Adjustable Laboratory Variable Switching DC Power Supply
US$
83.00
-
950.00
1 Piece
(MOQ)
High Voltage Power Supply Variable Power Supply Lab Bench Regulated DC Power Supply
US$
83.00
-
950.00
1 Piece
(MOQ)
High Quality Adjustable Variable Laboratory Bench DC Switching Power Supply with RS232 Modbus 2400W+ Models Available
US$
83.00
-
950.00
1 Piece
(MOQ)
1/4
Jinan Xinyuhua Energy Technology Co., Ltd.
Send Inquiry
High-Power CNC DC Power Supply 0-30V 0-200A Variable Regulated 6000W Power Supply for Lab Test
US$
9,999.00
-
19,999.00
2 Pieces
(MOQ)
High Power Variable High Voltage DC Power Supply with Rugged Industrial Degree 0 ~ 60kv
US$
99.00
-
4,390.00
2 Pieces
(MOQ)
600W 1000V 2000V 4000V 5000V 120mA Variable Adjustable Voltage Constant Current DC Power Supply
US$
99.00
-
4,390.00
2 Pieces
(MOQ)
1500W 180V 8.3A 200V 7.5A 250V 6A 300V 5A 400V 3.5A 500V 3A Variable Voltage Adjustable Current DC Power Supply
US$
99.00
-
4,390.00
2 Pieces
(MOQ)
1/4
Guangzhou Idealplusing information technology co., LTD
5.0
Send Inquiry
Factory Price SMPS AC to DC Switching Power Supply 15V 16A 20V 12A 24V 10A 30V 8A 40V 6A 48V 5A Single Output Variable DC Power Supply
US$
10.00
-
20.00
1 Piece
(MOQ)
50V 300A Switch Mode DC Power Supply Variable Voltage Regulated Laboratory DC Power Supply
US$
100.00
-
500.00
1 Piece
(MOQ)
Idealplusing High Efficiency 220VAC to 10VDC 200A 2kw AC to DC Power Supply Variable for Laboratory Aging Test
US$
429.55
-
457.26
1 Piece
(MOQ)
Adjustable 1200V 600W Rack Mount AC DC Adjustable Variable Laboratory High Voltage Programmable Power Supply
Negotiable
1 Piece
(MOQ)
1/4
Dongguan Mengtai Instrument Co., Ltd.
5.0
Send Inquiry
100V 2A Laboratory Testing School DC Regluated Variable Adjustable Switching Power Supply
US$
74.29
-
142.86
1 Piece
(MOQ)
400V 1A Digital Adjustable Variable Switching DC Power Supply for Mobile Repairing
US$
280.00
-
350.00
1 Piece
(MOQ)
LED Digital Adjustable Switching Variable DC Regulated Bench Power Supply for Aging Testing
US$
47.46
-
73.02
1 Piece
(MOQ)
Mini Digital 150W Cheap Price Switching Variable Adjustable Lab DC Power Supply for Mobile Repair
US$
47.46
-
73.02
1 Piece
(MOQ)
1/4
Wisman High Voltage Power Supply Co., Ltd.
Send Inquiry
MN Series DC Modules Variable Adjustable High Voltage Power Supply For DNA Sequencing
US$
1.00
1 Piece
(MOQ)
MN Series DC Modules Variable Adjustable High Voltage Power Supply For Precision Lens (1kV-50kV,10W-50W )
US$
1.00
1 Piece
(MOQ)
MU Series Micro-Modules DC Voltage Power Supply For Piezo Crystal Devices (50V-6kV,6W-30W)
US$
1.00
1 Piece
(MOQ)
MCC Series DC High Voltage Power Supply For Radiation Counter (100V-3kV 0.5W-2W)
US$
1.00
1 Piece
(MOQ)
1/4
SHENZHEN SCIEO ELECTRONICS CO., LTD.
9 yrs
·
Trading Company
Send Inquiry
80V 170A 5kw Programmable DC Power Supply N38305-80-170 Variable Digital Switching Type
US$
6,500.00
-
200,000.00
1 Piece
(MOQ)
150V 8A 400W China Manufacturer Variable Switching DC Power Supply 0-30V 0-20A with Cc/CV
US$
500.00
-
25,000.00
1 Piece
(MOQ)
0.5~81V 0~6.0A 100W Portable Field Service 12V/24V Variable DC Power Supply with Carrying Case
US$
300.00
-
2,000.00
1 Piece
(MOQ)
0.5~81V 0~6A 100W Portable Digital DC Power Supply Ngi N36610-80-06 for Field Service and on-Site Repairs
US$
300.00
-
2,000.00
1 Piece
(MOQ)
1/4
Hunan Echwater Technology Co., Ltd.
Send Inquiry
Adjustable DC Power Supply Variable Programmable
US$
999.00
-
2,999.00
1 set
(MOQ)
45kvw/30kVA Variable Frequency Variable DC Power Supply Transformer
US$
999.00
-
2,999.00
1 set
(MOQ)
Three-Phase Inverter Power Supply AC Power Supply Inverter Converter Variable Frequency
US$
999.00
-
2,999.00
1 set
(MOQ)
Manufacturer Inverter Variable Frequency Drive Variable Frequency Power Supply
US$
999.00
-
2,999.00
1 set
(MOQ)
1/4
Liuyang Haney Electromechanical Equipment Co., Ltd.
Send Inquiry
Hany High Voltage 24V Variable DC Power Supply
US$
3,000.00
-
7,500.00
1 Piece
(MOQ)
Haney OEM DC Power Supply Moduel 12V Variable Switching Power Supply
US$
199.00
-
4,999.00
1 Piece
(MOQ)
Haney Variable 30V DC Power Supply Aluminum Anodizing
US$
99.00
-
1,399.00
1 Piece
(MOQ)
Variable Linear Adjustable Lab DC Bench Power Supply 0-15V 0-30A
US$
55.00
-
123.00
1 Piece
(MOQ)
1/4
Zhongshan Minglian Electronic Co., Ltd.
8 yrs
·
4.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Bench Power Supply DC Variable Ds-Lb-B300 12V 24V 200W 16.7A 8.35A Switching Power Supply for Indoor
US$
1.50
-
1.70
500 Pieces
(MOQ)
New Model with Slow Start Ds-K100 100W 12V 24V DC Enclosed SMPS LED Switching Power Supply Factory
US$
2.10
-
2.30
500 Pieces
(MOQ)
LED Lighting Driver High Efficiency Constant Voltage AC 100-265V AC DC Ds-K100 100W 12V 24V SMPS Switching Power Supply
US$
2.10
-
2.30
500 Pieces
(MOQ)
LED Lighting Driver High Efficiency Constant Voltage AC 100-265V AC DC Ds-K400 40W 12V 24V SMPS Switching Power Supply
US$
5.10
-
5.30
500 Pieces
(MOQ)
1/4
Shenzhen Mingwei Electric Power Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Duty Mwish SCP-3000 3000W 12V 24V 36V 48V 250A Heavy Machinery High Variable AC DC Switching Power Supply
US$
88.93
-
104.63
10 Pieces
(MOQ)
Energy Saving and Eco-Friendly Mwish SD-50-12 50W 12V 4.2A Variable Frequency Microwave Power 380V Input Voltage SMPS Switching Power Supply
US$
7.80
-
8.10
50 Pieces
(MOQ)
Mwish S Series 2000W 12V 24V 36V 48V 167A Variable Power Supply
US$
97.14
-
101.03
50 Pieces
(MOQ)
Overload Protection VFD Compact Design 5.5kw 7.5kw Frequency Inverter
Negotiable
1 Piece
(MOQ)
1/4
Zhengzhou CY Scientific Instrument Co., Ltd.
13 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
LED Display Variable DC Regulated High Voltage Power Supply for University Laboratory
US$
5,200.00
-
10,500.00
1 Piece
(MOQ)
Electric Roller Press with Variable Speed
US$
3,600.00
-
3,700.00
1 Piece
(MOQ)
Small Grinding Polishing and Lapping Machine with 8" Super Flat Lapping Plate
US$
4,890.00
-
6,890.00
1 Piece
(MOQ)
8" Precision Automatic Lapping and Polishing Machine with Optional Slurry Feeder
US$
4,890.00
-
6,890.00
1 Piece
(MOQ)
1/4
EP HIPOT ELECTRIC CO., LTD.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Eply 20A Variable Current DC Power Supply
US$
268.00
-
3,890.00
1 Piece
(MOQ)
Ctpt Analyzer Transient Characteristic Analyzer of Transformer
US$
2,000.00
-
4,000.00
1 Set
(MOQ)
High Performance Automatic Variable Frequency Current Transformer CT PT Analyzer PT CT Exciting Curve Analyzer
US$
2,000.00
-
4,000.00
1 Set
(MOQ)
Multi Functional Current Transformer Tester Polarity Ctpt Analyzer 1000A 2500V High Precision CT PT Analyzer
US$
2,000.00
-
4,000.00
1 Set
(MOQ)
1/4
Yueqing Shuntong Imp. & Exp. Co., Ltd.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
220V 380V to DC 0-15V/30V/60V/120V Variable Regulated Switching Power Supply 1A/3A/5A/10A/15A/20A/30A/50A/80A/100A
US$
675.00
1 Piece
(MOQ)
St-Kdr-5kVA Smart Display LCD Screen High Quality Switch AC AC Variable Frequency Stabilized Power Supply
US$
608.00
1 Piece
(MOQ)
AC Variable Frequency Stabilized Power Supply
US$
608.00
1 Piece
(MOQ)
Source Manufacturer Power Supply Multi-Functional Variable Frequency Drive
US$
45.00
-
75.00
10 Pieces
(MOQ)
1/4
Zhuhai Pindom Technology Co., Ltd
5.0
Send Inquiry
Variable Meanwell 220V DC AC 6kw 2000W 300W Microwave Power Supply
US$
130.00
-
150.00
1 Piece
(MOQ)
Variable Frequency Industrial Power Supply Industry Microwave Power Supply 4200W Microwave Magnetron Power Supply
US$
106.00
-
107.00
1 Piece
(MOQ)
Comercial Industrial Home Use Magnetron 2m343K Microwave Oven Parts 1500W 2458MHz Water Cool Magnetrons
US$
40.00
-
50.00
1 Piece
(MOQ)
Comercial Air Cooling 5 Pieces 4 Holes 1500W Microwave Magnetron for Microwave Oven
US$
59.40
2 Pieces
(MOQ)
1/4
Jinan Deming Power Equipment Co., Ltd
22 yrs
·
4.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
High-Low Voltage DC Power Supply
US$
9,800.00
-
10,500.00
1 Piece
(MOQ)
Deming 100kw Bidirectional DC Power Supply
Negotiable
1 Piece
(MOQ)
China Jinan Origin Bidirectional DC Power Supply
Negotiable
1 Piece
(MOQ)
660*1100*1800mm 450kg High-Low Voltage DC Power Supply
US$
7,600.00
-
8,000.00
1 Piece
(MOQ)
1/4
QINGDAO UNIVERSAL INTERNATIONAL TRADE CO ., LTD.
Send Inquiry
150kVA 3 Phase Voltage & Frequency Stabilizer Power Supply
US$
1,200.00
-
92,000.00
1 Piece
(MOQ)
5kVA 220VAC 50Hz Single Phase Frequency Conversion Power Supply
US$
1,200.00
-
92,000.00
1 Piece
(MOQ)
15kVA Voltage & Frequency Stabilizer Power Supply Single Phase 3 Phase
US$
1,200.00
-
92,000.00
1 Piece
(MOQ)
100kVA Voltage & Frequency Stabilizer Power Supply Single Phase 3 Phase
US$
1,200.00
-
92,000.00
1 Piece
(MOQ)
1/4
ZHEJIANG KAIMIN ELECTRIC CO., LTD.
Send Inquiry
Uninterrupted Solar Inverter Power Supply
US$
174.00
-
474.00
1 Piece
(MOQ)
Safe and Efficient AC Power Supply Unit
US$
42.00
-
60.00
1 Piece
(MOQ)
China Ckmine Products/Suppliers. VFD Frequency Inverter
US$
225.00
-
240.00
1 Piece
(MOQ)
AC/DC Converter Module Power Supply for Medical Products
US$
225.00
-
240.00
1 Piece
(MOQ)
1/4
Zhejiang Shuntong Electric Co., Ltd.
5.0
Send Inquiry
AC 220V 380V to DC 0~600V Converter Dual DC Regulated Power Supply
US$
670.00
-
675.00
1 Piece
(MOQ)
Single Phase Three Phase Solar Pump Inverter with MPPT GPRS Function
Negotiable
1 Piece
(MOQ)
15kw Frequency Converter Inverter Water Pump Single Phase 3 Phase 220V 380V Manufacturers Price
US$
87.00
-
5,543.00
1 Piece
(MOQ)
Vector Frequency Converter LED Display Single-Phase Three-Phase 380V
US$
100.00
-
5,000.00
1 Piece
(MOQ)
1/4
Cheemi Technology Co., Ltd.
8 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High-Performance Dual Voltage Power Supply for Relays and Vfds Hall Sensor Transformer
US$
6.00
-
8.00
1 Piece
(MOQ)
High-Efficiency Closed Loop Power Supply with Hall Effect Technology
US$
10.00
-
12.00
1 Piece
(MOQ)
AC/DC Variable-Speed Drive Measurement Current Transducer Hall Sensor
US$
6.00
-
9.00
1 Piece
(MOQ)
Advanced Dual Power Supply System for Reliable Relay Protection Current Transformer Sensor
US$
6.00
-
8.00
1 Piece
(MOQ)
1/4
Guangdong MYIXI Technology Co., Ltd.
6 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Ultra Thin Power Supply Input 110-120V Output 400W 20A Variable Board China Used on-Board 36V 3.33A 18V 6.66A Free Argentine
US$
6.53
-
13.52
100 Pieces
(MOQ)
iPhone Power Supply with Cord GaN Fujitsu Adapter 36V 3.33A Variable USA Supplies Direct Mic Laptop AC/DC Computer Input Acer 25V 4.8A
US$
6.53
-
13.52
100 Pieces
(MOQ)
Free Power Supply Mic Input Direct Adapter High Case on-Board Nice TCL Mic Wall Computer Variable PCB Dual Used LED Thin AC/DC
US$
6.53
-
13.52
100 Pieces
(MOQ)
Fujitsu Power Supply Variable Voltage Universal Fujitsu Adapter Mini Free 19V 6.32A China Board Plastic 110-120V Ultra AC/DC Wall Code
US$
6.53
-
13.52
100 Pieces
(MOQ)
1/4
Shanghai Wenlida Technology Co., Ltd.
15 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Special Tailor-Made Variable Frequency Power Supply (VFP) /Three-Phase Input & Output/Transducer/Frequency Converter for High Voltage Test System Laboratory
US$
1,500.00
-
165,000.00
1 Piece
(MOQ)
Variable Frequency Power Supply (VFP) /Single-Phase Input & Three-Phase Output/Transducer/Frequency Converter/Zero Starter for Electronics Special Tailor-Made
US$
2,000.00
-
4,000.00
1 Piece
(MOQ)
Variable Frequency Power Supply (VFP)/Single-phase Input&Single-phase Output/TRANSDUCER/FREQUENCY CONVERTER for Home appliance Manufacturers Special Tailor-Made
US$
1,500.00
-
5,800.00
1 Piece
(MOQ)
for Laboratory and Science Special Tailor-Made/5kVA~300kVA Frequency & Voltage Converter/Three-Phase Input & Single-Phase Output/Transducer/Frequency Converter
US$
1,200.00
-
55,000.00
1 Piece
(MOQ)
1/4
LUAN JIANGHUAI MOTOR CO., LTD.
26 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Vriable Frequency Drive- Ld350 Series -VFD Power Supply 132kw
US$
1,320.00
1 Piece
(MOQ)
Ld350-037g-T4 Supplier of AC Drive, VFD, Variable Frequency Inverter 37kw
US$
425.00
1 Piece
(MOQ)
Ld500-PV MPPT Solar Pump Controller for Energy-Saving Irrigation
US$
370.00
-
450.00
1 Piece
(MOQ)
Ld350-200g-T4 High Quality Inverter Three-Phase Input AC Driver 200kw Inverter Manufacture
US$
1,989.00
1 Piece
(MOQ)
1/4
Quanzhou Ausenist Technology Co., Ltd
5.0
Send Inquiry
Konecranes Frequency Converter PSU037NF103 Power Supply D2V037NF1003 for Crane Systems
US$
828.00
-
853.00
1 Piece
(MOQ)
Original Bromma Power Supply Br1001859 for Container Handling Equipment
US$
888.00
1 Piece
(MOQ)
Bromma Br1703274 Power Supply Br1001859
US$
4,223.52
1 Piece
(MOQ)
Bromma Genuine Power Supply Unit Br1703274 for Crane Spreaders
US$
4,223.52
1 Piece
(MOQ)
1/4
Energy Technology Co., Ltd. (Shenzhen)
Send Inquiry
New-Original Tripp-Lite-PV700hf Power-Supply DC-AC 120V-5.83A-12V in-Enclosed Panel-Mount 700W Power-Verter Series-Inverter
US$
164.82
-
179.16
1 Piece
(MOQ)
Brand-New Td-K-Lambda Jws150-24/a AC/DC Enclosed Power-Supply (PSU) Ite 1 Outputs 156W 24V
US$
150.00
-
185.00
1 Piece
(MOQ)
Original-Brand-New Mean-Well Nes-25-12 Power Supply AC-DC Single Output Enclosed Good-Price in-Stock
US$
12.00
-
32.00
1 Piece
(MOQ)
Original-New Schnei-Der-Abl8rps24050 Power-Supply AC-DC-24V 5A-85-132/170-550V Input-Enclosed DIN-Rail 120W-Abl Series Good-Price
US$
583.81
-
641.53
1 Piece
(MOQ)
1/4
1
40