---
title: OB750 Series – 750kg(1600lbs) Magnetic Lock
date: 2026-08-25T07:33:55Z
modified: 2026-08-25T08:27:08Z
permalink: "https://www.oubao.com/product/ob750-series/"
type: product
status: publish
excerpt: "The OUBAO OB750 Series magnetic lock is our high-security electromagnetic locking solution, delivering 750kg (1600lbs) of holding force — engineered for demanding applications where maximum retention strength and uncompromising reliability are critical.\\nBuilt with a rugged high-strength aluminum alloy housing and a precision-machined heavy-duty armature plate, this lock generates powerful magnetic adhesion when energized, ensuring formidable door securing across high-traffic, high-risk entry points without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. With no residual magnetism and silent operation, the OB750 is optimized for continuous-duty environments where both security and user experience matter.\\nInternationally Certified for Diverse Markets — The OB750 meets rigorous global standards， Carries the CE mark confirming European safety and performance conformity; A field-proven, regulation-ready solution for commercial deployments spanning multiple jurisdictions worldwide."
wpid: 9065
product_type:
  - simple
product_cat:
  - Access Control
  - Magnetic Lock
featured_image: "https://www.oubao.com/wp-content/uploads/2026/08/OB750-Series-–-750kg1600lbs-Magnetic-Lock.jpg"
featured_image_alt: OB750 Series – 750kg(1600lbs) Magnetic Lock
timestamp: 2026-08-25T08:27:08Z
tags:
  - simple
  - Access Control
  - Magnetic Lock
---

### Product Parameters



| Item No. | OB750HA |
| --- | --- |
| Working voltage | 12VDC or 24VDC |
| Working current | 12V/450mA or 24V/230mA |
| Operating temperature | -25℃～60℃ |
| Working humidity | 10%～90%RH |
| Feature | Power off to unlock (Fail safe) |
| Installation method | Hanging installation |
| Holding Force | 750KG±10% |
| Door opening angle | 90° |
| Panel material | High strength aluminum alloy |
| Finish | Oxidation & brushed finishing |
| Signal output | YES |
| Indicator light | YES |
| Time delay adjustment | It can be customized according to requirements. |
| Standard sizes | 267×73×42 mm |

### Application Scenarios

**Commercial Buildings**: Offices, shopping malls, hotels, restaurants and retail stores

**Public Facilities**: Hospitals, schools, airports, libraries and government buildings

**Fire Safety**: Fire doors, stairwells and emergency exit passages

**Residential & Apartments**: Entrance doors, common areas and multi-family housing

**Industrial & Special Use**: Factories, server rooms, climate-controlled spaces and high-traffic areas