--- product_id: 74395780 title: "Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay" brand: "libo smart home" price: "₹ 5389" currency: INR in_stock: true reviews_count: 13 category: "Libo Smart Home" url: https://www.desertcart.in/products/74395780-electric-drop-bolt-lock-dc-12v-fail-safe-nc-mode store_origin: IN region: India --- # Adjustable time delay (0/3/6s) Fail-safe NC mode Surface-mounted aluminum alloy Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay **Brand:** libo smart home **Price:** ₹ 5389 **Availability:** ✅ In Stock ## Summary > 🔐 Secure smarter, not harder — lock in your safety with fail-safe precision! ## Quick Answers - **What is this?** Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay by libo smart home - **How much does it cost?** ₹ 5389 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/74395780-electric-drop-bolt-lock-dc-12v-fail-safe-nc-mode) ## Best For - libo smart home enthusiasts ## Why This Product - Trusted libo smart home brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fail-Safe Security:** Locks instantly when powered, unlocking only on power loss for ultimate safety. - • **Robust Aluminum Build:** Durable, wear-resistant aluminum alloy with surface scrub treatment for long-lasting performance. - • **Customizable Time Delay:** Set your preferred delay (0, 3, or 6 seconds) for seamless access control. - • **Anti-Theft Hex Screw Design:** Hexagon screw lock body and fixed panel enhance tamper resistance and peace of mind. - • **Universal Door Compatibility:** Perfectly fits wooden, glass, metal, and fireproof doors—versatility meets security. ## Overview The LIBO Electric Drop Bolt Lock (Model L-XXS) is a sleek, surface-mounted electronic lock featuring a fail-safe NC mode that locks when powered and unlocks on power loss. Crafted from durable aluminum alloy with a wear-resistant finish, it offers adjustable time delays (0, 3, or 6 seconds) and fits a wide range of door types including wood, glass, metal, and fireproof. Designed for professional-grade security with anti-theft hex screws, it’s an affordable, reliable solution for modern access control systems. ## Description Features:1. NC mode - (locked while supplied with power), fail safe mode.2. Installation: unfold install (surface mounted).3. Material: Aluminum alloy material.4. With time delay: 0s, 3s, 6s.5. Suitable For: Wooden door, Glass door, Metal door, Fireproof door, etc.6. Surface scrub treatment, durable and wear-resistant. 7. Lock body use hexagon screw, fixed panel, anti-theft and more security.Specifications:Model Name: L-XXS Dimensions: 150x34x28mmLock core: The diameter 12.5MM, extending the length of 15MM Working Voltage: DC12VWorking current: Start state 1.2A Persistent state 120mAOperating Mode: NC (locked while supplied with power), fail safe modeWires: red to "NC", black to "GND".Warm Note: yellow line and white line are useless, don't need to be connected. Package Including:1 x Electric Drop Bolt Lock1 x Bag of installation kit Review: Inexpensive, reliable locking mechanism that is solidly built and well-designed - This has been working great for me. It is a very solidly built mechanism and when the bolt is extended, the lock is absolutely secure. I was so pleased with how well it works and how economically priced it is I bought a second for a spare. Review: Very safe a si nd secure recomend working 100% - Door security and garage and for many other things to be secure ## Features - 1, NC Mode: Fail-safe type, unlocked when power off, locked when power on. - 2, Installation: unfold install (surface mounted). - 3, With time delay: 0s, 3s, 6s - 4, Wires: red to "NC", black to "GND". yellow line and white line are useless, don't need to be connected. - 5, Suitable For: Wooden door, Glass door, Metal door, Fireproof door, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DW17J3Q | | Additional Features | Electric | | Best Sellers Rank | #168,332 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #467 in Home Security Systems #541 in Deadbolts | | Brand | LIBO Smart Home | | Brand Name | LIBO Smart Home | | Color | Silver | | Connectivity Protocol | Wired | | Control Method | Push Button | | Controller Type | door lock | | Customer Reviews | 4.1 out of 5 stars 381 Reviews | | Finish Types | Surface treatment | | Included Components | Electric lock, installation kit for installation | | Item Dimensions | 5.91 x 1.34 x 1.1 inches | | Item Weight | 1.28 Pounds | | Item dimensions L x W x H | 5.91 x 1.34 x 1.1 inches | | Lock Type | Electronic Lock | | Manufacturer | LIBO Smart Home | | Manufacturer Part Number | L-XXS | | Material | Aluminium Metal | | Material Type | Aluminium Metal | | Model Name | LIBO Electric Drop Bolt Lock | | Model Number | L-XXS | | Number of Pieces | 1 | | Recommended Uses For Product | Security | | Shape | Rectangular | | Smart Home Compatibility | Smart Home Compatible | | Special Feature | Electric | | Style Name | Modern | | UPC | 192687557844 760934621954 768692650742 760932522994 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** LIBO Smart Home - **Item dimensions L x W x H:** 5.91 x 1.34 x 1.1 inches - **Lock Type:** Electronic Lock - **Material:** Aluminium Metal - **Special Feature:** Electric ## Images ![Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay - Image 1](https://m.media-amazon.com/images/I/51VpyGNXQJL.jpg) ## Questions & Answers **Q: Are these rated for outdoor?** A: Sorry, the product you asked is not waterproof. Can not be used outdoors. **Q: How much current does it draw while holding the solenoid closed/locked?** A: Working Voltage: DC12V, Working current: Start state 1.2A Persistent state 120mA **Q: Is it come with a power supply? Or I have to buy it separately?** A: Sorry, the product you asked is a electric lock only. There is no power supply included. If you need the power supply, you have to buy it in additional. **Q: Does this work with a reverse polarity switch?** A: This electric lock will be working with those switch which with "NC", "NO" and "COM" wiring ports and working voltage is DC 12V. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Inexpensive, reliable locking mechanism that is solidly built and well-designed *by J***P on June 27, 2021* This has been working great for me. It is a very solidly built mechanism and when the bolt is extended, the lock is absolutely secure. I was so pleased with how well it works and how economically priced it is I bought a second for a spare. ### ⭐⭐⭐⭐⭐ Very safe a si nd secure recomend working 100% *by L***S on April 2, 2022* Door security and garage and for many other things to be secure ### ⭐⭐⭐ Good but failed after 1 year *by M***T on April 4, 2023* Lock works as advertised, but unfortunately it has failed after one year. It no longer actuates the bolt. ## Frequently Bought Together - LIBO Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay - AMOCAM K80 Power Supply Control, AC 110-240V to DC 12V Power Supply for Door Access Control System, Video Doorbell, Electric Strike Lock, Bolt Lock, Magnetic Lock, Power Supply Controller - UHPPOTE Momentary Push to Exit Button Switch NO/COM Output Stainless Steel Panel for Access Control Hollow Door --- ## 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.in/products/74395780-electric-drop-bolt-lock-dc-12v-fail-safe-nc-mode](https://www.desertcart.in/products/74395780-electric-drop-bolt-lock-dc-12v-fail-safe-nc-mode) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-06-19*