Efficient surge protection for modern homes
The GEYA GSP9 12.5KA T1+T2 50KA surge arrester is a state-of-the-art surge protector designed to protect home electrical systems from potentially damaging surges. Designed with reliability in mind, this surge protector ensures uninterrupted operation of household appliances by redirecting unexpected electrical currents. Withstands peak discharge currents of up to 50 kA, it offers exceptional performance even in extreme conditions. Whether caused by lightning strikes or voltage fluctuations in the power grid, this durable surge protector provides a line of defense for your home.
Advanced technology for maximum performance
Equipped with high-energy metal-oxide varistors (MOVs) and gas-discharge tubes (GDTs), this surge arrester utilizes cutting-edge technology to achieve high discharge rates. Unlike standard arresters, the GEYA GSP9 integrates temperature-controlled SPD monitoring to ensure consistent functionality at all times. Its advanced design not only protects devices but also guarantees an impressively fast response time of less than 100 nanoseconds during voltage spikes. This technology makes it a reliable choice for long-lasting, efficient operation in any household.
Flexible and user-friendly installation
The GEYA GSP9 12.5KA is compatible with single-phase and multi-phase systems, offering 1P, 2P, 3P, 4P, 1P+N-PE, and 3P+N-PE configurations for maximum adaptability. The device is designed for easy installation on a 35mm DIN rail, simplifying setup for both homeowners and electricians. With clear wiring specifications such as 6mm² for phase/neutral connections and 10mm² for PE terminals, this surge arrester eliminates complexity while increasing efficiency. Its practical design ensures convenient installation and operation without technical hassles.
Enhanced security and compliance features
Safety is a priority for the GEYA GSP9 12.5KA, making it suitable for homes with sensitive devices. The device features a 1.5 kV surge protection level and works with a 63 A fuse or circuit breaker, ensuring comprehensive system integration. For added convenience, the device features an optional remote indication system (C+NC, C+NO, COM) that informs users of its operating status. This surge arrester is made of flame-retardant UL94-V0 material, further enhancing its safety level, and complies with international standards such as IEC/EN 61643-11 and GB18802.11.
Durability designed to meet any challenge
Designed to operate in extreme temperatures from -40°C to +80°C, the GEYA GSP9 12.5KA remains reliable in a variety of environmental conditions. Its durable construction ensures the device can withstand both air-conditioned environments and extreme outdoor conditions. This robust design extends the device’s lifespan while eliminating the risk of performance degradation caused by heat, cold, or humidity. This high durability provides homeowners with peace of mind knowing their electrical installations are protected in all conditions.
A profitable investment in home security
The GEYA GSP9 12.5KA protects your valuable electronic equipment from power surges and offers unparalleled value for money. Its high discharge capacity, precise operation, and easy installation further enhance its appeal. Furthermore, this surge protector contributes to long-term savings by preventing costly damage to expensive devices and circuits. Invest in the GEYA GSP9 to experience undeniable reliability, enhanced safety, and the freedom to use your devices without fear of sudden power surges that can disrupt your home.















E***y –
Very fast shipping. It comes with the right certificate.
AliExpress Shopper –
part was not delivered. Paack local carrier seems very unreliable
A***n –
Good seller, recommend