LZ Mounting Bracket for 300 kg Magnetic Locks, Aldural Finish, DS-K4H250-LZ

Introduction: Meet the DS-K4H250-LZ In-swing Magnetic Lock Bracket

The DS-K4H250-LZ L+Z mounting bracket is a purpose-built accessory for installers and facilities managers who need a compact, reliable solution to mount 300 kg-class magnetic locks on inward-opening (in-swing) doors. Designed to work with Hikvision DS-K4H250S/D and similar 300 kg magnetic locks, this aldural bracket kit provides the geometry and armature plate placement required when a direct frame-to-lock installation is not possible. With a sandblasted aldural core and a hard-anodised/electroplated shell, it balances strength, corrosion resistance and a discreet, professional appearance.

Key features at a glance

• Purpose-built for in-swing doors:Engineered for doors that open inward up to 90°.
• Compatibility:Fits Hikvision DS-K4H250S/D and other 300 kg-class magnetic locks.
• Durable construction:Aldural body with sandblasted surface and hard-anodised/electroplated finish for long-term corrosion resistance.
• Complete L + Z bracket set:Provides mounting geometry when direct fixing is not feasible; U-bracket options exist for glass applications.
• Compact and lightweight:Approximately 0.75 kg total weight with L and Z bracket dimensions optimized for common door and frame profiles.
• Value proposition:Priced to offer a cost-effective mounting solution for commercial and retrofit projects.

Detailed specifications and benefits

Understanding the DS-K4H250-LZ starts with its core specifications. These determine where the bracket can be used and how it performs over time.

• Material:Aldural (sandblasted) — a lightweight, rigid alloy suitable for structural mounting components.
• Finish:Hard-anodised / electroplated shell — improves corrosion resistance and gives a professional finish that withstands frequent use and environmental exposure.
• Compatible locks:Designed for Hikvision DS-K4H250S/D and other 300 kg-class magnetic locks.
• Application:In-swing (inward-opening) doors up to 90°.
• Glass option:U-bracket variants are available for 10–15 mm glass doors where standard L+Z geometry is unsuitable.
• Mount type:L + Z bracket assembly to position lock body and armature plate correctly where frame attachment is limited.

• L-bracket dimensions:Approximately 240 × 47 × 28.5 mm.
• Z-bracket dimensions:Approximately 180 × 50 × 50 mm.
• Weight:Approximately 0.75 kg — light enough for easy handling during installs but heavy enough to remain robust in service.

• Datasheet:Refer to the Hikvision product page for the official data sheet and installation drawings for correct armature alignment.
• Technical support:Hikvision resources and reseller support can provide guidance; installers should consult the datasheet for mounting tolerances and wiring requirements.
• Warranty:Listed as a 3-year warranty—confirm terms and regional variations with your reseller.

• Reliable alignment:The L+Z geometry ensures the magnetic lock body and armature plate are positioned to achieve full holding force, reducing false releases and premature wear.
• Durability:Aldural plus hard-anodised finish resists corrosion and the wear-and-tear of everyday door cycles.
• Installer-friendly:Pre-sized bracket components and straightforward mounting points mean faster installation and fewer on-site modifications.
• Adaptability:With U-bracket options for glass and compatibility with common 300 kg locks, it's a versatile choice across commercial environments.

Use cases and scenarios where this bracket excels

The DS-K4H250-LZ is primarily targeted at commercial and retrofit applications where surface-mounted magnetic locks are preferred or required. It excels in scenarios such as:

• Office buildings and reception areas:Provides a neat, professional mounting for access-controlled entry doors that swing inward, maintaining aesthetics while delivering secure holding force.
• Retrofit projects:When existing frame geometry prevents direct mounting of a magnetic lock, the L+Z kit offers the necessary offset and support without major frame modification.
• Multi-tenant or high-traffic doors:The robust construction and correct alignment help maintain performance under frequent use, reducing maintenance intervals.
• Glass door installations:Through U-bracket variants that adapt the same lock models to frameless or glass-framed doors (10–15 mm), the system extends to modern architectural designs.
• Security upgrades:Ideal for facilities upgrading to access-control magnetic locks where in-swing operation is the standard—for example, server rooms, internal secure zones, and controlled offices.

How it compares to similar products

Mounting brackets for electromagnetic locks come in a few common types: simple L-brackets, L+Z assemblies (like the DS-K4H250-LZ), and specialized backplates or U-brackets for glass. Here’s how the DS-K4H250-LZ compares:

• Versus simple L-brackets:Alone, an L-bracket provides offset but not the corrected armature geometry required on many in-swing installations. The L+Z assembly adds that second plane of adjustment so armature and magnet align properly, improving holding performance.
• Versus competitor mounting kits:Many competing kits offer steel construction; the DS-K4H250-LZ’s aldural core plus hard-anodised finish gives a strong but lighter assembly with better corrosion resistance in many environments. Brand compatibility (Hikvision 300 kg locks) is also an advantage for those standardising on Hikvision hardware.
• Versus U-bracket glass adapters:For glass doors, a dedicated U-bracket is still required; the DS-K4H250-LZ points installers to available variants. Its modular approach lets installers choose the correct style for the door substrate.
• Cost and value:Priced competitively as an accessory (suggested retail $39.99), it typically costs less than heavy-duty custom brackets while providing the alignment and finish expected for commercial projects.

Customer feedback and installer perspectives

Formal, published customer reviews for niche mounting accessories are often limited. However, installer and integrator feedback (representative) tends to focus on a few recurring points:

• Ease of installation:Installers appreciate the pre-sized L and Z pieces that reduce on-site cutting or welding.
• Fit and finish:The hard-anodised surface and sandblasted body are noted as appearing more professional and being less prone to surface corrosion than untreated brackets.
• Compatibility:Positive comments from technicians who use Hikvision lock bodies for consistent integration across projects.

If you require direct customer testimonials for marketing or procurement, request reference installations from your reseller or ask for project photos and installer notes to validate fitment in similar door/frame conditions.

Installation, safety and best practices

• Follow the datasheet:Always consult the Hikvision installation guide for correct armature alignment and mounting tolerances to ensure full holding force.
• Power isolation:Isolate power to the locking device before beginning any electrical work.
• Qualified installers:Use a qualified installer or electrician for wiring and load testing; static and dynamic tests confirm that the bracket and lock achieve rated performance.
• Check local compliance:Verify CE/UKCA marking and regional warranty details as they may vary by reseller and region.

Conclusion: Why choose the DS-K4H250-LZ?

For installers and facilities managers working with Hikvision 300 kg magnetic locks on in-swing doors, the DS-K4H250-LZ offers a well-balanced solution: engineered geometry for correct lock/armature alignment, aldural construction with a durable finish, and a compact footprint that suits commercial retrofit and new-install projects alike. With thoughtful documentation and a manageable price point, it represents a practical accessory to achieve reliable access control performance without extensive frame modification. Confirm compatibility, consult the datasheet, and engage a qualified installer to get the best results from this purpose-built mounting kit.