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市場調查報告書
商品編碼
2124113
固態繼電器:市場佔有率分析、產業趨勢與統計、成長預測(2026-2031)Solid State Relay - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026 - 2031) |
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根據 Mordor Intelligence 預測,固態繼電器市場規模將從 2025 年的 6.2427 億美元和 2026 年的 6.5979 億美元成長到 2031 年的 8.6903 億美元,2026 年至 2031 年的年複合成長率(CAGR)率為 5.6%。

本報告按安裝方式(面板安裝、PCB/板載晶片等)、輸出類型(交流固態繼電器、直流固態繼電器等)、額定負載電流(0-20A、21-40A 等)、應用領域(能源基礎設施、工業OEM 等)和地區(北美、南美 等)進行細分。市場預測以美元計價。
到2024年,預計將有超過500吉瓦的新增太陽能和風能發電設施投入運作,而與這些設施配套的逆變器、電池和追蹤系統現在需要亞毫秒級的斷路。這是電子機械接觸器在不造成電弧磨損的情況下無法保證的。固態繼電器(SSR)符合IEEE 1547-2018標準規定的防孤島響應時間要求,消除電弧閃光事件,並符合加州建築標準第24章中規定的SunSpec快速斷路器協議。電力公司將SSR視為模組化電源模組的基本組件,該模組結合了雙向交流和直流路徑,使資產所有者能夠在提高可再生能源採用率的同時推遲電網升級。風力發電機機變槳控制系統已經從液壓驅動過渡到電動伺服驅動,而三相SSR可以防止先前會導致監控控制器跳閘的電壓瞬變。隨著雙面組件和單軸追蹤器的出現,每天的開關循環次數增加,固態繼電器的 1000 萬次循環壽命抵消了其高昂的購買價格。
德國、法國和義大利的製造商正在用DIN導軌安裝的固態繼電器(SSR)取代傳統的控制面板,以防止乙太網路和現場匯流排連接受到接觸電弧產生的電磁雜訊的影響。德國政府在2024年累計12億歐元(約14.1億美元)用於工業4.0試點項目,其中大部分項目都指定使用可熱插拔的接觸安全型DIN模組,技術人員無需完全斷電即可進行插拔。新型三相接觸器內建NRG匯流排測量功能,使操作人員能夠將功率趨勢與機器循環關聯起來,從而創建資料迴路以提高能源效率。歐盟生態設計法規2023/826將待機功耗限制在0.5瓦,因此,僅消耗微安培級電流的SSR更受青睞。在食品加工廠,密封的SSR外殼可防止潤滑劑和顆粒物污染,這正日益成為一項重要的採購標準。
由於固態繼電器 (SSR) 的組件配置中增加了光耦合器、緩衝電路和散熱焊盤,其價格比同類接觸器高出 200% 至 400%。 OMEGA 的 SSRDIN600 單相繼電器售價為 184 至 228 澳元(120 至 148 美元),而機械式 DIN繼電器的價格僅為 40 至 60 澳元,如此巨大的價格差異阻礙了它們在暖通空調壓縮機和家用電器(更換週期 10 年)中的應用超過空調。由於缺乏評估總擁有成本 (TCO) 的標準化工具,設施管理人員往往優先考慮前期成本,而非避免停機時間。三相 SSR 接觸器的售價為 550 至 565 澳元(358 至 367 美元),它們還面臨使用無光隔離閘流體的軟啟動馬達控制器的競爭。線圈繞製和觸點沖壓生產線的自動化進步,使得電子機械繼電器的價格上漲速度超過了半導體成本的成長速度。
到2025年,面板安裝式繼電器仍將佔總銷量的38.67%,這反映出它們在老舊機械設備中擁有極高的普及率,這些設備更傾向於使用帶開放式背板的螺絲固定式繼電器。固態繼電器市場目前正轉向可免工具更換的DIN導軌式產品,預計到2031年,此類模組的複合年成長率將達到7.11%。OMRON的G3PE系列可卡入標準導軌,將安裝時間從15分鐘縮短至不到2分鐘,使技術人員能夠在短暫的停機時間內進行維護,而無需完全關閉生產線。在食品加工廠和製藥廠,DIN標準外形尺寸更受歡迎,因為其接觸安全型聚碳酸酯外殼符合嚴格的衛生審核要求。
歐洲的改裝項目也催生了市場需求,這些項目透過 OPC UA 整合了預測性維護功能。 Carlo Gavazzi 的 NRG 相容接觸器可提供循環計數和熱裕度數據,使營運商能夠在意外停電發生之前更換可能發生故障的模組。面板安裝單元在對抗振性能要求極高的客製化半導體設備中仍然佔據主導地位,但新型 DIN 導軌外殼的堅固夾緊機制正在縮小兩者之間的差距。由於自動化回流焊接顯著降低了成本,PCB 和板載晶片SSR 在消費性電子產品領域大規模受歡迎,儘管其高昂的售價仍然是這些領域的一大挑戰。同時,插入式 SSR 仍用於電力公司的保護機架中,其採用的八腳插座標準化簡化了備件物流。 DIN 導軌的趨勢也符合 IEC 62314 標準,該標準規定了防觸電端子,以保護最終用戶免受帶電部件的傷害。
由於交流固態繼電器(SSR)廣泛應用於電阻加熱器和照明面板,預計到2025年,其銷售額將佔總銷售額的46.23%。但三相繼電器作為新的成長動力,正吸引人們的關注,預計到2031年,其複合年成長率將達到6.42%。在工業工廠中,星Delta和軟啟動馬達電路正在進行現代化改造,以取代因振動和觸點抖動而壽命縮短的笨重接觸器。 Carlo Gavazzi 的最新產品 RGC3P 整合了測量功能,使用戶能夠檢測到通常先於軸承磨損的電流諧波增加。在塑膠擠出成型中,零交叉開關可以消除電壓尖峰,否則這些尖峰會損壞繞組絕緣體。
直流固態繼電器 (SSR) 仍然是電池能源儲存系統和電動車充電器不可或缺的一部分,但它們面臨來自智慧功率模組的競爭,後者將驅動器和溫度感測器整合在一個封裝內。混合式交直流繼電器在不間斷電源 (UPS) 系統中佔據著獨特的地位,其控制邏輯位於直流側,而負載電路則透過交流電切換,從而以最少的元件確保了電路的連續性。在歐洲的暖通空調 (HVAC)冷卻器中,固態繼電器有助於滿足歐盟生態設計法規 2023/826 規定的待機功率限制,因為它們在關斷狀態下的控制電流消耗僅為微安培等級。隨著寬能隙裝置的大規模生產,額定電壓為 660V、額定電流為 45A 的三相固態繼電器將變得更小,從而模糊繼電器、啟動器和驅動器之間的界限。
預計到2025年,亞太地區將繼續佔全球銷售額的42.32%。這主要得益於中國在光電三極管晶片、可控矽整流器晶圓和散熱器擠壓成型等領域的垂直整合優勢,使得國內供應商能夠以比進口產品低50%的價格提供符合UL 508和IEC 62314認證標準的元件。在日本和韓國,依賴高速交流開關的高密度電動車充電站正在滿足市場需求;而在台灣的醫療用電子設備叢集中,小型化固態繼電器(SSR)正被應用於出口型設備。
北美地區也紛紛效仿,這主要得益於美國電力公司在變電站引入基於固態繼電器(SSR)的重合閘,以避免停電期間出現閃爍,從而預防野火。加州和德克薩斯州正在主導先導計畫,而加拿大則透過資助饋線自動化來推動該技術的普及。墨西哥也收到了來自北美貿易區的大量基於固態繼電器的包裝和汽車生產線訂單。
在歐洲,「工業4.0」津貼和無汞指令正在充分利用。在德國、法國和英國,機械繼電器的更換工作正在推進,以符合2017/852號法規的要求,該法規禁止在電氣設備中使用汞開關。 DIN導軌單元結合預測性維護分析技術,在12億歐元(14.1億美元)的智慧工廠預算支援的維修項目中獲得了廣泛支持。
中東地區以7.23%的複合年成長率領跑,主要得益於沙烏地阿拉伯在其「2030願景」計畫下對吉瓦級太陽能園區的大力投資,以及阿拉伯聯合大公國穆罕默德·本·拉希德·阿勒馬克圖姆太陽能園區引入電池儲能技術。該地區的電力公司正在採用太陽能儲能擴展器(SSR),這是一種組件級功率最佳化裝置,能夠在沙塵暴引發的故障發生時,在幾毫秒內關閉組件組串。
在南美洲,固態繼電器(SSR)正被應用於偏遠礦區和大豆加工廠。由於技術人員難以進入這些區域,因此免維護交換機的價值日益凸顯。在非洲,固態繼電器的初期部署主要集中在肯亞和南非的通訊基地台和離網太陽能微電網,因為其低待機功耗能夠延長電池壽命。
According to Mordor Intelligence, the solid state relay market size is projected to expand from USD 624.27 million in 2025 and USD 659.79 million in 2026 to USD 869.03 million by 2031, registering a CAGR of 5.66% between 2026 to 2031.

This report is Segmented by Mounting (Panel Mount, PCB/Chip-On-Board Mount, and More), Output Type (AC Solid-State Relay, DC Solid-State Relay, and More), Load Current Rating (0-20 A, 21-40 A, and More), Application (Energy and Infrastructure, Industrial OEM, and More), and Geography (North America, South America, and More). The Market Forecasts are Provided in Terms of Value (USD).
More than 500 GW of new solar and wind capacity came online during 2024, and the associated inverter, battery, and tracker systems now require sub-millisecond disconnection that electromechanical contactors cannot guarantee without arc erosion. Solid state relays meet IEEE 1547-2018 anti-islanding response times, eliminate arc flash events, and support SunSpec rapid-shutdown protocols embedded in California's Title 24 building code. Utilities view SSRs as foundational elements in modular power blocks that combine bidirectional AC and DC paths, allowing asset owners to defer transmission upgrades while raising renewable penetration. Wind-turbine pitch systems have already shifted from hydraulic to electric servo drives, and three-phase SSRs prevent voltage transients that once tripped supervisory controllers. As bifacial modules and single-axis trackers lift daily switching cycles, the 10-million-cycle lifetime of SSRs neutralizes the higher acquisition price.
German, French, and Italian manufacturers are converting legacy panels to DIN-rail SSRs so that Ethernet and fieldbus links remain immune to electromagnetic noise from contact arcing. The German government earmarked EUR 1.2 billion (USD 1.41 billion) in 2024 for Industry 4.0 pilots, many of which specify touch-safe DIN modules that technicians can hot-swap without full line shutdowns. New three-phase contactors with embedded NRG BUS measurement let operators align power trends with machine cycles, creating a data loop that boosts energy efficiency. EU Ecodesign Regulation 2023/826 caps standby power at 0.5 W, favoring SSRs that draw microamp currents. In food-processing plants, sealed SSR housings prevent lubricant and particulate contamination, an increasingly decisive procurement criterion.
SSRs still command a 200%-400% premium over like-for-like contactors because their bill of materials adds optocouplers, snubber networks, and thermal pads. OMEGA's SSRDIN600 single-phase units list at AUD 184-228 (USD 120-148) versus AUD 40-60 for mechanical DIN relays, a gap that stalls adoption in HVAC compressors and white goods where replacement cycles exceed 10 years. Without standardized total-cost-of-ownership tools, facilities managers focus on first cost rather than downtime avoidance. Three-phase SSR contactors priced at AUD 550-565 (USD 358-367) also face competition from soft-start motor controllers that use thyristors without optical isolation. Rising automation in coil-winding and contact-stamping lines continues to push electromechanical relay prices downward faster than semiconductor cost curves.
Other drivers and restraints analyzed in the detailed report include:
For complete list of drivers and restraints, kindly check the Table Of Contents.
Panel-mount relays retained a 38.67% revenue slice in 2025, reflecting deep penetration of legacy machinery that favors screw-mounted devices on open backplates. The solid state relay market now tilts toward DIN-rail products that promise tool-less replacement, and these modules are on track for a 7.11% CAGR to 2031. Omron's G3PE line reduces install time from 15 minutes to under 2 minutes by snapping onto standard rails, freeing technicians to perform maintenance during brief line pauses rather than full shutdown windows. Food-processing and pharmaceutical plants further endorse DIN form factors because touch-safe polycarbonate covers support stringent hygiene audits.
Demand also comes from European retrofit programs that integrate predictive maintenance via OPC UA. Carlo Gavazzi's NRG-enabled contactors stream cycle counts and thermal headroom so operators can swap a failing module before unplanned outage. Although panel-mount units continue to dominate bespoke semiconductor equipment where vibration tolerance is critical, the robust clip mechanism of new DIN housings narrows that gap. PCB and chip-on-board SSRs thrive in consumer appliances because automated reflow drives cost down at scale, yet those segments struggle with sticker price. Plug-in SSRs survive in utility protection racks where octal sockets provide standardization that simplifies spares logistics. The drift toward DIN-rail also aligns with IEC 62314, which calls for finger-safe terminals that shield end users from live parts.
AC SSRs covered 46.23% of 2025 revenue thanks to broad use in resistive heaters and lighting panels, but three-phase relays earn the growth spotlight with a 6.42% CAGR forecast through 2031. Industrial plants are modernizing star-delta and soft-start motor circuits, replacing bulky contactors whose vibrations and contact bounce shorten service life. Carlo Gavazzi's latest RGC3P integrates metering so users can spot rising current harmonics that often precede bearing wear. In plastics extrusion, zero-cross switching eliminates voltage spikes that otherwise scar winding insulation.
DC SSRs remain vital to battery energy-storage systems and EV chargers, yet they battle intelligent power modules that embed drivers and temperature sensing in one package. Hybrid AC/DC relays hold niche positions in UPS systems where control logic sits on DC but load circuits switch AC, safeguarding continuity with minimal parts. For HVAC chillers in Europe, SSRs help meet standby power ceilings established by Ecodesign Regulation 2023/826 because they draw microamp control current in the off state. As wide-bandgap devices enter mass production, three-phase SSRs rated to 660 V and 45 A will shrink further, blurring lines between relay, starter, and drive.
Asia Pacific retained 42.32% revenue in 2025 because China controls the vertical stack of phototriac dies, SCR wafers, and heat-sink extrusion, letting domestic vendors undercut imported parts by up to 50% while meeting UL 508 and IEC 62314 certifications. Japan and South Korea supplement demand with high-density EV charging stations that rely on rapid AC switching, and Taiwan's medical-electronics cluster specifies miniaturized SSRs for export-grade devices.
North America follows, propelled by United States utilities that equip substations with SSR-based reclosers to avoid flicker during wildfire preventive shutoffs. California and Texas dominate pilot projects, while Canada aligns adoption through feeder-automation funding. Mexico absorbs steady orders for SSR-controlled packaging and automotive lines serving the North American trade block.
Europe leverages Industrie 4.0 grants and mercury-free directives. Germany, France, and the United Kingdom replace mechanical relays to comply with Regulation 2017/852 banning mercury switches in electrical equipment. DIN-rail units paired with predictive-maintenance analytics gain favor in retrofit programs supported by the EUR 1.2 billion (USD 1.41 billion) smart-factory budget.
The Middle East secures the fastest CAGR at 7.23% as Saudi Arabia's Vision 2030 funds gigawatt solar parks and the United Arab Emirates installs battery storage at the Mohammed bin Rashid Al Maktoum Solar Park. Utilities there choose SSRs for module-level power optimizers that must disconnect strings in milliseconds during sandstorm faults.
South America applies SSRs in remote mining and soy-processing plants, where limited technician access elevates the value of maintenance-free switches. Africa's early deployments focus on telecom base stations and off-grid solar microgrids in Kenya and South Africa because low quiescent draw extends battery life.