Cable Box Transformers

Alibaba.com

Overview

Product sourcing insights & recommendations

npc electric
Fortune Business Insights
26 来源

The market for "cable box transformers" covers two distinct sectors: industrial distribution transformer cable boxes and consumer set-top box (STB) power adapters. Both segments are experiencing steady growth driven by grid modernization and the miniaturization of consumer electronics. LinkedinVajratranspowerChuangmeilianhe

Market Trends & Insights (2025–2026)

* Industrial Sector Growth: The global transformer market is projected to reach approximately $32–33 billion in 2026, growing at a CAGR of 6–7%. NpcelectricResearchandmarkets Key drivers include the expansion of renewable energy (solar/wind) and the need for environmental shielding in harsh industrial climates. Scotech-Electrical

* Consumer STB Evolution: The set-top box market is shifting toward OTT (Over-the-Top) devices, with the STB segment valued at over $27 billion in 2026. GrandviewresearchYahoo

* Technological Shift: There is a rapid transition from traditional "Linear Transformers" to "Switching Power Supplies" (SMPS). Chuangmeilianhe Manufacturers are adopting high-frequency switching technology to reduce size, weight, and the use of expensive raw materials like copper and iron. Scotech-ElectricalChuangmeilianhe

Product Insights

* Industrial Cable Boxes: These are protective connection hubs for high-voltage transformers (up to 33kV). VajratranspowerScotech-Electrical Key features include moisture/corrosion resistance and integrated thermal management to prevent overheating during high-load periods. Scotech-Electrical

* Consumer Power Adapters: Standard 12V adapters for STBs are now primarily wall-plug or desktop SMPS units under 100 watts. Chuangmeilianhe B2B pricing for bulk orders typically ranges from $0.73 to $5.50 per unit, depending on wattage and certification (e.g., CE/UL). AlibabaAlibaba

High Frequency Switching Power Supply For Set Top Box

Products · 3 lists

CE Certificated 12V1.5A Constant Voltage Switching Power Supply for Bluetooth Singlechip Fan Camera Set-Top Box Mobile Phone 08

CE Certificated 12V1.5A Constant Voltage Switching Power Supply for Bluetooth Singlechip Fan Camera Set-Top Box Mobile Phone 08

$2.104.8(955)
MOQ: 50 pieces
50+ store reviews14% reorder rate≤4h response time
Shenzhen Djyoke Electronics Co., Ltd.Shenzhen Djyoke Electronics Co., Ltd.🇨🇳CN5 yrs
CA-1250 Satellite Receiver Top Box Power Module Switching Power Supply Module 3.3V 5V 15V 20V Ca1250

CA-1250 Satellite Receiver Top Box Power Module Switching Power Supply Module 3.3V 5V 15V 20V Ca1250

$0.73-0.954.8(986)
MOQ: 500 pieces
50+ store reviews8% reorder rate≤6h response time
Shenzhen Boyida Electronics Co., Ltd.Shenzhen Boyida Electronics Co., Ltd.🇨🇳CN4 yrs
PSS4850-6/19C PSS4850-8B/19 PSS4850-6  PSS4850-5 Embed5ded High-frequency Communication Switching Power Supply System

PSS4850-6/19C PSS4850-8B/19 PSS4850-6 PSS4850-5 Embed5ded High-frequency Communication Switching Power Supply System

$1,000-1,5004.9(508)
MOQ: 1 piece
18% reorder rate≤10h response time
Digital Top Technology Co., Ltd.Digital Top Technology Co., Ltd.🇨🇳CN7 yrs
Black Switching Power Supply for Communication Room

Black Switching Power Supply for Communication Room

$780-3,0003.8(229)
MOQ: 1 set
≤4h response time
Beijing Changfeng Chuangxin Technology Co., Ltd.Beijing Changfeng Chuangxin Technology Co., Ltd.🇨🇳CN7 yrs
12V 5000A DC Triple Input Intelligent High-Frequency Switching Power Supply for Industrial Use

12V 5000A DC Triple Input Intelligent High-Frequency Switching Power Supply for Industrial Use

$5,6004.0(637)
MOQ: 1 unit
≤7h response time
Zhejiang Zhiyi Power Supply Technology Co., Ltd.Zhejiang Zhiyi Power Supply Technology Co., Ltd.🇨🇳CN17 yrs
High Frequency Switch Mode Power Supply 200A 15V Rectifier

High Frequency Switch Mode Power Supply 200A 15V Rectifier

$400-6004.5(667)
MOQ: 5 pieces
≤3h response time
Linyi Reyok Electronic Co., Ltd.Linyi Reyok Electronic Co., Ltd.🇨🇳CN8 yrs
High Frequency Switch Mode Power Supply Rectifier for Electroplating

High Frequency Switch Mode Power Supply Rectifier for Electroplating

$200-7004.1(240)
MOQ: 1 set
≤8h response time
Guangdong Shunde Samyang Technology Co., Ltd.Guangdong Shunde Samyang Technology Co., Ltd.🇨🇳CN13 yrs
200A 12V 3Phase 380VAC High Frequency Switch Power Supply

200A 12V 3Phase 380VAC High Frequency Switch Power Supply

$430-5004.8(783)
MOQ: 5 units
≤9h response time
Shaoxing City Boxing Electrical Technology Co., Ltd.Shaoxing City Boxing Electrical Technology Co., Ltd.🇨🇳CN9 yrs
New Original CA-1250 Satellite Receiver Top Box Power Module Switching Power Supply Board 3.3V 5V 15V 20V

New Original CA-1250 Satellite Receiver Top Box Power Module Switching Power Supply Board 3.3V 5V 15V 20V

$0.90-1.305.0(95)
MOQ: 10 pieces
23% reorder rate≤5h response time
Shenzhen Sanrui Technology Co., Ltd.Shenzhen Sanrui Technology Co., Ltd.🇨🇳CN2 yrs
Original ETP4860-B1A2 48V 60A embedded high frequency switching power supply system 30A AC to DC cabinets

Original ETP4860-B1A2 48V 60A embedded high frequency switching power supply system 30A AC to DC cabinets

$300-6005.0(671)
MOQ: 1 piece
100+ store reviews37% reorder rate≤3h response time
Shenzhen Nites Electronics Technology Co., Ltd.Shenzhen Nites Electronics Technology Co., Ltd.🇨🇳CN14 yrs
18V 300A High Frequency Switching Power Supply 5.4kw Adjustable Polarity Reverse DC Power Supply

18V 300A High Frequency Switching Power Supply 5.4kw Adjustable Polarity Reverse DC Power Supply

$700-9005.0(917)
MOQ: 1 set
≤3h response time
Sichuan Province Tanglin Electronic Technology Co., Ltd.Sichuan Province Tanglin Electronic Technology Co., Ltd.🇨🇳CN4 yrs
High Precision 6000W Desktop Switching Power Supply Multi-Circuit Regulated Voltage

High Precision 6000W Desktop Switching Power Supply Multi-Circuit Regulated Voltage

$154.90-171.904.7(510)
MOQ: 5 pieces
Shenzhen Ttltes Technology Co., LtdShenzhen Ttltes Technology Co., Ltdverified🇨🇳CN3 yrs
Adjustable Digital Display Constant Voltage and Constant Current Switching Power Supply

Adjustable Digital Display Constant Voltage and Constant Current Switching Power Supply

$45.184.6(249)
MOQ: 1 piece
100+ store reviews42% reorder rate≤6h response time
Pingyoushun Electric (shanghai) Co., Ltd.Pingyoushun Electric (shanghai) Co., Ltd.🇨🇳CN8 yrs
High Voltage Switching Power Supply with Cable for Continuous Power Delivery

High Voltage Switching Power Supply with Cable for Continuous Power Delivery

$11,760-12,0004.8(900)
MOQ: 1 set
≤3h response time
Nanjing Rosefinch Technology Co., Ltd.Nanjing Rosefinch Technology Co., Ltd.🇨🇳CN3 yrs
Adjustable 1000W high power switching power supply AC220V to DC72V 13A constant voltage and constant current

Adjustable 1000W high power switching power supply AC220V to DC72V 13A constant voltage and constant current

$43.104.8(736)
MOQ: 1 piece
13% reorder rate≤2h response time
Wenzhou Funi Electrical Co., Ltd.Wenzhou Funi Electrical Co., Ltd.🇨🇳CN4 yrs
3000W 6000W-10000W Switching Single 0-1000V High Voltage 0-100Amp Adjustable Industrial Programmable DC Power Supply 95%

3000W 6000W-10000W Switching Single 0-1000V High Voltage 0-100Amp Adjustable Industrial Programmable DC Power Supply 95%

$324-1,0914.7(420)
MOQ: 1 piece
ShenZhen Haifyer Technology Co., Limited.ShenZhen Haifyer Technology Co., Limited.verified🇨🇳CN12 yrs
Syt S-400W 400W High Power 24V Switch Power Supply Box 220 to 12V 36V 48V 20A IP65 Protection 5-Year Warranty

Syt S-400W 400W High Power 24V Switch Power Supply Box 220 to 12V 36V 48V 20A IP65 Protection 5-Year Warranty

$304.6(452)
MOQ: 1 set
12% reorder rate≤4h response time
Changsha Chushitian Precision Machinery Co., Ltd.Changsha Chushitian Precision Machinery Co., Ltd.🇨🇳CN5 yrs
Switching Power Supply 3000w New Design High Output Power Supply Compact Size  High Efficiency with PFC with RS485 1U Standard

Switching Power Supply 3000w New Design High Output Power Supply Compact Size High Efficiency with PFC with RS485 1U Standard

$180-2004.9(810)
MOQ: 30 boxes
Zhejiang Junlin Electric Technology Co., Ltd.Zhejiang Junlin Electric Technology Co., Ltd.verified🇨🇳CN5 yrs
switching 1500v Dc Power Supply/0-1500v High Voltage Power Supply

switching 1500v Dc Power Supply/0-1500v High Voltage Power Supply

$120-9913.8(253)
MOQ: 1 set
≤4h response time
Suzhou Lingfran Electric Co., Ltd.Suzhou Lingfran Electric Co., Ltd.🇨🇳CN11 yrs
12V 20A DC Power Supply with AC 100-240V High Power Switching Power Supply for Light Box Monitor 2A Output Current

12V 20A DC Power Supply with AC 100-240V High Power Switching Power Supply for Light Box Monitor 2A Output Current

$3.604.6(859)
MOQ: 1 piece
Shenzhen Hongxinyu Electronic Technology Co., Ltd.Shenzhen Hongxinyu Electronic Technology Co., Ltd.verified🇨🇳CN5 yrs
ETM-F Adjustable Switching Power Supply 15V-150V 0-10A Variable Output 50-60Hz with LED Display for Lab Use

ETM-F Adjustable Switching Power Supply 15V-150V 0-10A Variable Output 50-60Hz with LED Display for Lab Use

$206-2424.5(569)
MOQ: 10 pieces
≤5h response time
CONG TY TNHH DICH VU VA THUONG MAI YEN HUECONG TY TNHH DICH VU VA THUONG MAI YEN HUE🇻🇳VN1 yr
S-360-12 360W Cctv Box 12v 30a 18ch Ups Switching Power Supply 360w Cctv Driver Led Power Supply

S-360-12 360W Cctv Box 12v 30a 18ch Ups Switching Power Supply 360w Cctv Driver Led Power Supply

$24.205.0(983)
MOQ: 1 piece
Shenzhen Bright Star Intelligent Lighting Co., Ltd.Shenzhen Bright Star Intelligent Lighting Co., Ltd.verified🇨🇳CN5 yrs
High-Efficiency 12V 24V Switch Power Supply for Small Ultra-thin Light Box

High-Efficiency 12V 24V Switch Power Supply for Small Ultra-thin Light Box

$6.205.0(738)
MOQ: 1 pack
20% reorder rate≤2h response time
Zhongshan Fushi Technology LimitedZhongshan Fushi Technology Limited🇨🇳CN1 yr
DPS3010U Regulated Power Supply High Precision Switching Dc Power Supply 30v / 10a 300w Single Output 50/60 Hz 0-30V

DPS3010U Regulated Power Supply High Precision Switching Dc Power Supply 30v / 10a 300w Single Output 50/60 Hz 0-30V

$54.994.8(991)
MOQ: 2 pieces
1000+ store reviews12% reorder rate≤2h response time
Shenzhen City Yixin Technology Co., Ltd.Shenzhen City Yixin Technology Co., Ltd.🇨🇳CN6 yrs
High Power Supplies Output 60V 3000W AC/ DC Switching Power Supply

High Power Supplies Output 60V 3000W AC/ DC Switching Power Supply

$146-1584.9(840)
MOQ: 5 pieces
50+ store reviews4% reorder rate≤1h response time
Wenzhou Quanyi Electric Co., Ltd.Wenzhou Quanyi Electric Co., Ltd.🇨🇳CN4 yrs
MIJING 3005D NC DC Power Supply 30V/5A Max Output USB Fast Charging Adjustable Voltage Regulator Bench Switching Power Supply

MIJING 3005D NC DC Power Supply 30V/5A Max Output USB Fast Charging Adjustable Voltage Regulator Bench Switching Power Supply

$694.6(424)
MOQ: 1 piece
300+ store reviews17% reorder rate≤3h response time
Shenzhen Zhuoxiujiang Technology Co., Ltd.Shenzhen Zhuoxiujiang Technology Co., Ltd.🇨🇳CN2 yrs
Cable Box Transformer Sourcing Guide for B2B Buyers