# Surge Protective Device (SPD) ## Surge Protective Devices (SPD) for Robust Electrical Systems This collection features Surge Protective Devices (SPD) engineered to shield critical electrical infrastructure from transient voltage surges and voltage spikes. SPDs are fundamental components in ensuring system uptime and safeguarding sensitive equipment from damage. Their primary function is to detect overvoltage conditions and divert excess energy safely to ground, thereby maintaining operational integrity across a wide spectrum of industrial applications. DDY Supply provides industrial electrical components for global distributors, EPC contractors, system integrators, and industrial buyers seeking reliable surge protection solutions from established manufacturers. ## Key Features of Surge Protective Devices - **Advanced Surge Diversion Technology:** Utilizes effective mechanisms like Metal Oxide Varistors (MOVs) and Gas Discharge Tubes (GDTs) to absorb and redirect damaging voltage transients. - **Multi-Stage Protection:** Offers layered defense, with Type 1, Type 2, and Type 3 SPDs available to match specific installation points and protection requirements, from main panels to end-user equipment. - **Varied Current and Voltage Ratings:** Available in configurations designed to handle diverse surge currents and operating voltages, ensuring compatibility with standard industrial power systems. - **Compliance with Industry Standards:** Products meet recognized international safety and performance benchmarks, providing assurance of reliability and effectiveness in demanding environments. - **Enhanced Equipment Longevity:** Minimizes wear and tear on connected electrical and electronic equipment by mitigating the impact of frequent or severe surge events. - **Cost-Effective Procurement:** Offers significant value by reducing potential equipment repair or replacement costs and preventing costly operational downtime. ## Comprehensive SPD Product Range This collection includes various types and series of Surge Protective Devices (SPD), designed for optimal performance in industrial electrical systems. We offer solutions from leading manufacturers, suitable for applications requiring robust protection against voltage transients and lightning-induced surges, supporting critical infrastructure and advanced machinery. ## Industrial Applications for Surge Protective Devices - Industrial automation systems - Electrical control panels - Low voltage power distribution networks - Machinery and equipment protection - Manufacturing facilities - Infrastructure projects - Energy generation and distribution ## Brand and Supplier Information DDY Supply specializes in multi-brand electrical component supply, sourcing industrial-grade Surge Protective Devices from a network of established manufacturers. We support global distributors, EPC contractors, and engineering companies by providing access to a wide array of products, ensuring project requirements are met with high-quality, reliable components. ## Why Choose DDY Supply for SPDs - **Global Supply Chain:** Facilitates international procurement of essential industrial electrical components. - **Extensive Product Portfolio:** Offers a wide range of industrial electrical products, including comprehensive surge protection solutions. - **Multi-Brand Sourcing:** Provides flexible options by sourcing from various trusted manufacturers. - **Engineering Project Support:** Assists in selecting appropriate SPDs for complex engineering and construction projects. ## Frequently Asked Questions **Q: Where can I source Surge Protective Devices (SPD) from China?** A: DDY Supply provides industrial electrical components, including Surge Protective Devices (SPD), for electrical distributors, contractors, system integrators, and industrial projects worldwide. **Q: Which brands of Surge Protective Devices (SPD) can DDY Supply provide?** A: DDY Supply supplies available industrial electrical brands for Surge Protective Devices (SPD) based on product category and specific project requirements. **Q: What applications are Surge Protective Devices (SPD) commonly used for?** A: Surge Protective Devices (SPD) are commonly integrated into industrial automation systems, electrical control panels, low voltage power distribution, machinery, and infrastructure projects to protect against voltage surges. ## Products in this collection - [Delixi Electric DZ47vY Dengfeng Series Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-dz47vy-dengfeng-series-surge-protector) - 24.67 USD - [Schneider iPRD1 pluggable T1+T2 type surge protector](https://ddysupply.com/products/wingoal-schneider-iprd1-pluggable-t1-t2-type-surge-protector) - 309.62 USD - [Schneider Wan Gao iST fixed T2 type surge protector](https://ddysupply.com/products/wingoal-schneider-wan-gao-ist-fixed-t2-type-surge-protector) - 55.2 USD - [Wingoal/Schneider iPRU pluggable T2 type surge protector 4P](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2-type-surge-protector-4p) - 175.64 USD - [Schneider iPRU pluggable T2 type surge protector 3P](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2-type-surge-protector-3p) - 137.15 USD - [Schneider iPRU pluggable T2 type surge protector 1P](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2-type-surge-protector-1p) - 39.19 USD - [Schneider iPRU pluggable iPRU iPRU iPRU surge protector 2P](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2) - 18.18 USD - [Schneider iPRU pluggable T2 type surge protector 3P+N](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2-type-surge-protector-3p-n) - 180.17 USD - [Schneider iPRU pluggable T2 type surge protector 1P+N](https://ddysupply.com/products/wingoal-schneider-ipru-pluggable-t2-type-surge-protector-1p-n) - 143.83 USD - [Schneider iPEC dedicated protection integrated surge protector 4P](https://ddysupply.com/products/wingoal-schneider-wan-gao-ipec-dedicated-protection-integrated-surge-protector-4p) - 196.23 USD - [Schneider iPEC dedicated protection integrated surge protector 3P](https://ddysupply.com/products/wingoal-schneider-wan-gao-ipec-dedicated-protection-integrated-surge-protector-3p) - 159.13 USD - [DELIXI Electric CDYN surge protector](https://ddysupply.com/products/delixi-delixi-electric-cdyn-surge-protector) - 5.11 USD - [Delixi Electric CDYNSCB Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-cdynscb-surge-protector-42-units-box-9-units-box) - 3.42 USD - [Delixi Electric CDY6Z DC Surge Protector (High Voltage)](https://ddysupply.com/products/delixi-delixi-electric-cdy6z-dc-surge-protector-high-voltage) - 3.42 USD - [Delixi Electric CDYNSCB Surge Protector (24 units/box)](https://ddysupply.com/products/delixi-delixi-electric-cdynscb-surge-protector-24-units-box) - 71.25 USD - [DELIXI/Delixi Electric CDYNSCB Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-cdynscb-surge-protector-42-units-box) - 11.98 USD - [DELIXI Electric DZ47SCB Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-dz47scb-surge-protector-42-units-box) - 71.16 USD - [DELIXI Electric DZ47SCB Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-dz47scb-surge-protector-9-units-box) - 17.27 USD - [Delixi Electric DZ47SCB Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-dz47scb-surge) - 40.31 USD - [Delixi Electric HDYE Surge Protector](https://ddysupply.com/products/delixi-delixi-electric-hdye-surge-protector) - 4.65 USD - [CHINT NXU-IIG/F 40kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-f-40ka-low-voltage-surge-arrester) - 4.42 USD - [CHINT NXU-IIG 20kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-20ka-low-voltage-surge-arrester) - 4.08 USD - [CHINT NXU-IIG 65kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-65ka-low-voltage-surge-arrester) - 6.61 USD - [CHINT NXU-IIG 40kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-40ka-low-voltage-surge-arrester) - 3.96 USD - [CHINT NXU-IIG 100kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-100ka-low-voltage-surge-arrester) - 14.2 USD - [CHINT NXU-IIG 120kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-120ka-low-voltage-surge-arrester) - 14.49 USD - [CHINT NXU-IIG 165kA Low-voltage Surge Arrester](https://ddysupply.com/products/surge-protective-device-chint-nxu-iig) - 25.02 USD - [CHINT NXU-IIG/F 20kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-f-20ka-low-voltage-surge-arrester) - 4.46 USD - [CHINT NXU-IIG/F 65kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-f-65ka-low-voltage-surge-arrester) - 7.5 USD - [CHINT NXU-IIG/F 100kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iig-f-100ka-low-voltage-surge-arrester) - 14.98 USD - [NU6-IIG Low-voltage Surge Arrestor CHINT](https://ddysupply.com/products/nu6-iig-low-voltage-surge-arrestor-chint) - 4.8 USD - [CHINT NXU-I+II 65kA Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-i-ii-65ka-low-voltage-surge-arrester) - 19.35 USD - [CHINT NXU-III Low-voltage Surge Arrester](https://ddysupply.com/products/chint-nxu-iii-low-voltage-surge-arrester) - 6.02 USD - [ABB OVR T2 Surge Protector](https://ddysupply.com/products/abb-ovr-t2-surge-protector) - 67.68 USD - [ABB OVR T2-T3 Surge Protector](https://ddysupply.com/products/abb-ovr-t2-t3-surge-protector) - 43.34 USD - [ABB OVR T1-T2 Surge Protector](https://ddysupply.com/products/abb-ovr-t1-t2-surge-protector) - 108.78 USD - [Wingoal/Schneider Wan Gao iPEC dedicated protection integrated surge protector](https://ddysupply.com/products/wingoal-schneider-wan-gao-ipec-dedicated-protection-integrated-surge-protector) - 49.63 USD - [Wingoal/Schneider Wan Gao iPEC dedicated protection integrated surge protector 1P](https://ddysupply.com/products/wingoal-schneider-wan-gao-ipec-dedicated-protection-integrated-surge-protector-1p) - 53.17 USD - [Wingoal/Schneider Wan Gao iPEC dedicated protection integrated surge protector 2P](https://ddysupply.com/products/wingoal-schneider-wan-gao-ipec-dedicated-protection-integrated-surge-protector-2p) - 109.59 USD - [EA9L T2](https://ddysupply.com/products/ea9l-t2) - 79.35 USD - [Eslim](https://ddysupply.com/products/eslim) - 164.49 USD - [iPRD1 T1+T2](https://ddysupply.com/products/iprd1-t1-t2) - 766.3 USD - [iPRF1 T1+T2](https://ddysupply.com/products/iprf1-t1-t2) - 367.44 USD - [iPRU T2](https://ddysupply.com/products/ipru-t2) - 66.66 USD - [iPRD1 T1](https://ddysupply.com/products/iprd1-t1) - 689.53 USD - [iSCB T1](https://ddysupply.com/products/iscb-t1) - 159.32 USD - [iPEC](https://ddysupply.com/products/ipec) - 262.95 USD - [iST T2](https://ddysupply.com/products/ist-t2) - 193.82 USD - [iSCB T2](https://ddysupply.com/products/iscb-t2) - 51.38 USD - [2-](https://ddysupply.com/products/2) - 162.19 USD - [1-](https://ddysupply.com/products/1) - 1.25 USD - [MCZovp Control](https://ddysupply.com/products/mczovp-control) - 123.09 USD - [2VSSC](https://ddysupply.com/products/2vssc) - 142.69 USD - [RS485/RS422](https://ddysupply.com/products/rs485-rs422) - 142.64 USD - [VPU PV](https://ddysupply.com/products/vpu-pv) - 224.2 USD - [VPU](https://ddysupply.com/products/vpu) - 55.28 USD - [RS232](https://ddysupply.com/products/rs232) - 112.48 USD - [VSPC Control](https://ddysupply.com/products/vspc-control) - 129.95 USD - [VSPC Module](https://ddysupply.com/products/vspc-module) - 79.47 USD - [VSPC](https://ddysupply.com/products/vspc) - 81.41 USD - [3 Module](https://ddysupply.com/products/3-module) - 9.3 USD - [Module Plug](https://ddysupply.com/products/module-plug) - 264.88 USD - [1 Surge Protection](https://ddysupply.com/products/1-surge-protection) - 255.14 USD - [2 Module](https://ddysupply.com/products/2-module) - 52.38 USD - [3](https://ddysupply.com/products/3) - 9.3 USD - [Plug](https://ddysupply.com/products/plug) - 137.64 USD - [I/II](https://ddysupply.com/products/i-ii) - 1349.39 USD - [CU311](https://ddysupply.com/products/cu311) - 228.97 USD - [CU33](https://ddysupply.com/products/cu33) - 21.7 USD - [CU31](https://ddysupply.com/products/cu31) - 140.79 USD - [CU32](https://ddysupply.com/products/cu32) - 36.41 USD - [VAL-MS](https://ddysupply.com/products/2-º-module-©) - 120.21 USD --- > Source: [DDY GROUP CO.,LTD.](https://ddysupply.com/collections/surge-protective-device-spd) > Updated: 2026-07-24