Power Relay

Founded in 1995 as a Sino-foreign joint venture, Ningbo Songle Relay Co., Ltd. has been deeply rooted in the power relay field for nearly 30 years. Backed by ISO9001 and ISO/TS16949 dual quality system certifications, as well as global authoritative safety certifications such as UL, TUV, CQC, and IECQ, it has become a core partner for leading companies in domestic and international home appliances, industrial automation, and commercial equipment sectors. The company boasts a 50,000 square meter production facility and 20 standardized production lines, with an annual production capacity of 250 million units. Integrating R&D, mold manufacturing, and full-chain production, it offers a comprehensive range of power relay products covering low, medium, and high power applications across multiple scenarios, ensuring both stable bulk supply and rapid response to customized needs.

Power relays are core electrical components that control the switching of high-voltage circuits using low-voltage signals. Their core value lies in achieving safe isolation and efficient switching of "small current controlling large current," while also providing circuit protection, energy transmission, and automatic adjustment functions. Widely used in home appliances, industrial control, and commercial equipment, they are an indispensable "power control hub" in modern electrical systems. With the advancement of intelligence and energy efficiency trends, power relays have evolved towards miniaturization, high reliability, and low power consumption, adapting to emerging needs such as variable frequency home appliances, industrial automation, and new energy applications.

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SRA(T74) Relay

As the professional manufacturer, Ningbo Songle Relays Co., Ltd.would like to provide you high quality SRA(T74) Relay.With its compact and lightweight design, the SRA (T74) relay is a preferred component for automotive electronics, home appliances, communication equipment, and industrial automation control systems. Backed by the brand heritage of Songle, a Sino-foreign joint venture, ISO9001 quality system certification, and safety certifications from multiple countries including UL, TUV, and CQC, this product not only boasts a high current carrying capacity of 35A/10min and 25A/1h, but also, through optimized heat resistance, can easily handle the stable operation requirements under complex working conditions, perfectly meeting the stringent standards of leading global manufacturers for efficient and reliable electronic components.

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SRA-U(T74-U) Relay

Find a huge selection of SRA-U(T74-U) Relay from China at Ningbo Songle Relays Co., Ltd.. Provide professional after-sales service and the right price, looking forward to cooperation.The SRA-U (T74-U) relay, with its compact size and upgraded core functions, is the preferred solution for diverse circuit scenarios. Continuing its lightweight 6g design, the product features standard terminal spacing and a compact structure, offering excellent installation adaptability. It also innovatively adopts a dual normally open contact configuration, efficiently meeting the needs of multi-circuit synchronous control. Furthermore, a sealed solder resist option is available, easily handling corrosion and contamination prevention requirements in complex environments. Based on the ISO9001 quality system and multiple international safety certifications such as UL, TUV, and CQC, this product is widely compatible with automotive electronics, home appliances, communication equipment, and industrial automation control systems, perfectly meeting the core demands of global customers for reliable connection components.

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SRI(T72) Relay

As the professional China SRI(T72) Relay manufacturer and supplier, Ningbo Songle Relays Co., Ltd. develops customers' OEM products.Product innovation integrates an "ultra-compact PCB standard layout + UL F-grade insulation system," with a lightweight 11g design that not only meets the needs of high-density circuit installation but also achieves stable operation over a wide temperature range of -40℃ to +105℃ through upgraded insulation performance. This perfectly solves the pain points of high-temperature and high-load conditions in scenarios such as automotive electronics, communication equipment, and industrial automation. As a core supplier to many well-known global manufacturers, Songle leverages its integrated R&D (including mold manufacturing and metal/rubber/plastic processing) and scale advantage of an annual production capacity of 200 million units to ensure that the SRI(T72) Relay maintains an extremely compact size while possessing industry-leading environmental adaptability and installation compatibility.

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SRIH(T72H) Relay

Shop customized SRIH(T72H) Relay from Ningbo Songle Relays Co., Ltd., which is one of the manufacturers and suppliers in China.The product inherits the practical design of "ultra-compact size + standard PCB layout". The lightweight 16g body is suitable for high-density circuit installation requirements. It also achieves an ultra-high dielectric strength of 3800VAC (between coil and contacts) - compared with the 2000VAC insulation standard of the same series SRI (T72), the safety protection capability is almost doubled. With a UL F-level insulation system and a wide operating temperature range of -40℃ to +105℃, it can easily meet the stable conduction requirements of high voltage and complex working conditions in industrial automation, automotive electronics, communication equipment, etc., demonstrating Songle's iterative innovation strength in the field of relay insulation technology.

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SRD(T73) Relay

As a professional China SRD(T73) Relay manufacturer and supplier, we provide customers with comprehensive project management services.The SRD(T73) Relay, a flagship product, features an ultra-compact design and versatile load adaptability. Its lightweight 9g body and standard PCB layout perfectly address the challenge of limited space for high-density circuit installation. It innovatively covers multiple contact ratings (7A/10A/15A, 250VAC/28VDC, 10A 125VAC), coupled with an ultra-wide nominal voltage range of 5-48VDC and low-power coil configurations of 0.36W/0.45W. This allows for precise adaptation to various power load scenarios while meeting stable operation requirements in extreme temperature ranges from -40℃ to +105℃, completely eliminating reliability concerns under complex operating conditions. It provides buyers with an integrated solution of "small size + high load capacity + low energy consumption."

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SRG(4123) Relay

High-quality SRG(4123) Relay made in China can be customized with a low price or cheap price from our factory.The SRG (4123) Relay, a product of SRG, addresses procurement pain points with its "miniature design + versatile adaptability": its 10g lightweight body and standard PCB layout perfectly solve the problem of limited space for high-density circuit installation; it innovatively covers multiple contact ratings of 7A/10A/15A (250VAC/28VDC, 10A 125VAC), coupled with an ultra-wide nominal voltage of 5-48VDC and a low-power coil configuration of 0.36W/0.45W, which can adapt to different power load requirements without additional customization, and can operate stably in extreme temperature ranges of -40℃ to +105℃, completely eliminating reliability concerns under complex working conditions, and providing purchasers with a highly adaptable solution of "small size + high load capacity + low power consumption".

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Songle is a professional Power Relay manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.

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