--- product_id: 208682154 title: "Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting" brand: "heschen" price: "S$49" currency: SGD in_stock: true reviews_count: 6 category: "Heschen" url: https://www.desertcart.sg/products/208682154-surge-protective-device-for-pv-lyd1-pv1000-2p-1000vdc-20ka store_origin: SG region: Singapore --- # 20kA nominal discharge current 1000VDC rated operating voltage Under 25ns rapid surge response Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting **Brand:** heschen **Price:** S$49 **Availability:** ✅ In Stock ## Summary > ⚡ Protect your solar power like a pro — surge-proof your future today! ## Quick Answers - **What is this?** Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting by heschen - **How much does it cost?** S$49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/208682154-surge-protective-device-for-pv-lyd1-pv1000-2p-1000vdc-20ka) ## Best For - heschen enthusiasts ## Why This Product - Trusted heschen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Modular & Compact:** Slim 2-pole design snaps onto standard 35mm DIN rails for easy integration - • **Powerful Surge Defense:** Handles up to 40kA max discharge to safeguard your solar setup - • **High Voltage Resilience:** Operates seamlessly at 1000VDC with a 1300V continuous limit - • **Lightning-Fast Response:** Suppresses voltage spikes in under 25 nanoseconds for ultimate protection - • **Solar-Ready Integration:** Engineered specifically for PV systems, combiner boxes, and DC networks ## Overview The Heschen LYD1-PV1000 is a robust 2-pole surge protective device designed for DC solar power systems. Rated for 1000VDC operation and capable of handling up to 40kA surge currents, it features a rapid response time under 25 nanoseconds and a flame-retardant polymer shell. Its compact DIN rail mounting makes it ideal for seamless integration into photovoltaic inverters and combiner boxes, ensuring reliable protection against transient overvoltages. ## Description Product Description Specification Review: Its a worker - Seems to work fine Review: Great product and fast delivery - Ill buy more in the future tanks much ## Features - Electrical Thresholds: Designed for DC solar power systems with 1000VDC rated operating voltage (Un) and 1300VDC maximum continuous operating voltage (Uc) - Discharge & Protection: Features a 20kA nominal discharge current (In) and up to 40kA maximum discharge current (Imax) with a <=4.0kV voltage protection level (Up) - Rapid Thermal Response: Delivers fast-acting suppression with a response time of under 25 nanoseconds (<25ns) to divert transient overvoltage spikes - Modular DIN Rail Body: Compact 2-pole (2P) modular construction built with an IP20 enclosure; engineered for rapid snap-on mounting on standard 35mm DIN rails - Photovoltaic Integration: Essential modular DC circuit protection hardware for deployment inside solar combiner boxes, PV inverters, and DC distribution networks ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B081HBZD1D | | Best Sellers Rank | 50,615 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 5,390 in Electrical Power Accessories | | Brand | Heschen | | Circuit Breaker Type | Standard | | Circuit breaker type | Standard | | Country Of Origin | China | | Current Rating | 40000 Kiloamps | | Current rating | 40000 Kiloamps | | Customer Reviews | 4.7 out of 5 stars 1,082 Reviews | | Included Components | 1 | | Manufacturer | Heschen Electric Co.,Ltd | | Manufacturer Part Number | LYD1-PV1000 2P | | Model Number | LYD1-PV1000 | | Mounting Type | DIN Rail Mount | | Mounting type | DIN Rail Mount | | Number of Poles | 2 | | Number of poles | 2 | | UPC | 670534184790 | | Voltage | 1000 Volts | ## Product Details - **Brand:** Heschen - **Circuit breaker type:** Standard - **Mounting type:** DIN Rail Mount - **Number of poles:** 2 - **UPC:** 670534184790 ## Images ![Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting - Image 1](https://m.media-amazon.com/images/I/615YB3oOC4L.jpg) ![Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting - Image 2](https://m.media-amazon.com/images/I/61xySxR1unL.jpg) ![Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting - Image 3](https://m.media-amazon.com/images/I/71AkysR8ZJL.jpg) ![Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting - Image 4](https://m.media-amazon.com/images/I/71soWG-2grL.jpg) ![Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, 35mm DIN Rail Mounting - Image 5](https://m.media-amazon.com/images/I/71CUtrj-U8L.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Its a worker *by A***S on 1 November 2022* Seems to work fine ### ⭐⭐⭐⭐⭐ Great product and fast delivery *by D***E on 3 October 2025* Ill buy more in the future tanks much ### ⭐⭐⭐⭐⭐ Protection *by D***X on 18 May 2023* Pas encore installé ## Frequently Bought Together - Heschen Surge Protective Device for PV, LYD1-PV1000, 2P 1000VDC 20KA, Fire-Proof, 35mm DIN Rail Mounting (1) - Heschen Solar/Photovoltaic Fuse Holder, PV Fuse Holder, HSPV-30D, DC1000V 32A, 2 Pole, 35mm DIN Rail Mounting, for HSPV-30 ST-10PV 10 * 38mm Fuse, CE Listed (1) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/208682154-surge-protective-device-for-pv-lyd1-pv1000-2p-1000vdc-20ka](https://www.desertcart.sg/products/208682154-surge-protective-device-for-pv-lyd1-pv1000-2p-1000vdc-20ka) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-05*