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GRI M-401 Magnet in Case, 1/2" 1/2" 4" Screw Mount, Surface Mount, White

Special Order: typically 2–6 weeks

Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.

Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.

A member of our team will check with the manufacturer and personally reply by email.

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Key Features

  • Fast, reliable surface screw-mount design for quick installation and reduced labor on commercial jobs
  • Low-profile 1/2 in x 1/2 in x 4 in case blends with frames for discreet security and surveillance setups
  • Packaged in bags of 100 to lower per-unit cost and keep installers stocked for large deployments
  • Compatible with standard contact sensors for door/window monitoring and alarm system integration
  • US-made construction from George Risk Industries delivers consistent performance and durability

Quick Specifications

Product Model
M-401
Brand Name
George Risk Industries
Product Name
M-401 Security Device Magnet
Product Type
Security Device Magnet
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Product information

M-401-W

Overview

Built for dependable door and window monitoring, the George Risk Industries M-401 Magnet in Case is a low-profile contact magnet that simplifies commercial security and surveillance installs. This screw-mount, surface-mount magnet measures 1/2 in x 1/2 in x 4 in (case dimensions) and is available in a white finish to blend unobtrusively with most frames and fixtures. Sold in bags of 100, the M-401 reduces procurement time and cost for integrators, facilities managers, and security contractors handling multi-site rollouts.

The M-401 is engineered for consistent operation with standard alarm contacts and monitoring systems, providing the reliable magnetic field required for accurate open/closed detection. Its screw-mount form factor ensures a secure attachment on door and window surfaces while keeping a compact profile for aesthetic installations. As a product from George Risk Industries, it offers dependable American-made quality for commercial applications.

Ideal for intrusion detection, access control backups, and general security projects, the GRI M-401 contact magnet helps speed installs and maintain long-term system reliability. Order a bag of 100 today to streamline installations and ensure consistent performance across your security and monitoring deployments.

Features

  • Fast, reliable surface screw-mount design for quick installation and reduced labor on commercial jobs
  • Low-profile 1/2 in x 1/2 in x 4 in case blends with frames for discreet security and surveillance setups
  • Packaged in bags of 100 to lower per-unit cost and keep installers stocked for large deployments
  • Compatible with standard contact sensors for door/window monitoring and alarm system integration
  • US-made construction from George Risk Industries delivers consistent performance and durability
16 of 16 specifications
Technical specifications for GRI M-401 Magnet in Case, 1/2" 1/2" 4" Screw Mount, Surface Mount, White
General Information
Brand Name George Risk Industries
Manufacturer George Risk Industries
Product Name M-401 Security Device Magnet
Product Type Security Device Magnet
Product Model M-401
Country of Origin US
Packaged Quantity 100
Manufacturer Part Number M-401-W
Physical Characteristics
Color White
Depth 0.50"
Height 0.50"
Form Factor Screw Mount, Surface Mount
Product Information
Length 4.00"
Mount Type Screw Mount
Installation Type Commercial
Miscellaneous
Features Surface Mount

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SKU:
M-401-W
Manufacturer part:
M-401-W
How do I confirm compatibility?

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When will this item ship?

Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.

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What should I know about returns?

Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

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GRI M-401 Magnet in Case, 1/2" 1/2" 4" Screw Mount, Surface Mount, White

M-401-W

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