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GRI 412P-B 4" Commercial and Industrial Surface Mount Switch Set, Standard Gap up to 1/2", Open/Closed Loop Type, SPDT, 5W, Brown

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.

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GRI 412P-B 4" Commercial and Industrial Surface Mount Switch Set, Standard Gap up to 1 1/2", Open/Closed Loop Type, SPDT, 5W, Brown
Product images for GRI 412P-B 4" Commercial and Industrial Surface Mount Switch Set, Standard Gap up to 1/2", Open/Closed Loop Type, SPDT, 5W, Brown. 1 image(s) available. Click on image to view full size.

Key Features

  • Protects doors and assets with reliable wired monitoring for commercial and industrial security systems
  • Tamper-resistant housing minimizes false alarms and prevents unauthorized tampering
  • Built-in End-of-Line (EOL) resistor simplifies panel integration and improves circuit integrity
  • SPDT open/closed-loop operation gives flexible compatibility with most alarm panels and access control systems
  • Compact 4" surface-mount design fits standard door and frame installations for quick, professional setup

Quick Specifications

Product Model
412P-B
Brand Name
George Risk Industries
Product Name
412P-B Magnetic Contact
Product Type
Magnetic Contact
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Product information

412P-B

Overview

Designed for dependable door monitoring in demanding commercial and industrial environments, the George Risk Industries GRI 412P-B surface-mount magnetic contact delivers robust security where it matters most. This 4" magnetic contact provides clear SPDT open/closed loop signaling and includes a built-in End-of-Line (EOL) resistor to simplify wiring and maintain circuit integrity for alarm panels and monitoring systems. The tamper-resistant construction reduces nuisance triggers and deters tampering, helping maintain continuous surveillance and reliable intrusion detection. With wired connectivity and a compact surface-mount profile, the GRI 412P-B installs quickly on doors and frames, streamlining integration into existing security, access control, and alarm setups. Compatible with a wide range of commercial security panels, this magnetic contact supports consistent, professional-grade monitoring across high-traffic entry points. Choose the George Risk Industries GRI 412P-B for durable, low-maintenance protection that keeps your facilities secure—order now to upgrade your perimeter security or add solid door sensing to your next surveillance project.

Features

  • Protects doors and assets with reliable wired monitoring for commercial and industrial security systems
  • Tamper-resistant housing minimizes false alarms and prevents unauthorized tampering
  • Built-in End-of-Line (EOL) resistor simplifies panel integration and improves circuit integrity
  • SPDT open/closed-loop operation gives flexible compatibility with most alarm panels and access control systems
  • Compact 4" surface-mount design fits standard door and frame installations for quick, professional setup
19 of 19 specifications
Technical specifications for GRI 412P-B 4" Commercial and Industrial Surface Mount Switch Set, Standard Gap up to 1/2", Open/Closed Loop Type, SPDT, 5W, Brown
General Information
Brand Name George Risk Industries
Manufacturer George Risk Industries
Product Name 412P-B Magnetic Contact
Product Type Magnetic Contact
Product Model 412P-B
Application/Usage Door
Country of Origin US
Manufacturer Part Number 412P-B
Technical Information
Standard Gap 1.50"
Connectivity Technology Wired
Physical Characteristics
Color Brown
Weight 1.00lb
Material Stainless Steel
Power Description
Power Source DC Power
Product Information
Length 36.00"
Mount Type Recessed Mount, Surface Mount
Contact Type SPDT (Single Pole Double Throw)
Installation Type Hybrid (DIY + Professional)
Miscellaneous
Features Tamper Resistant

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SKU:
412P-B
Manufacturer part:
412P-B
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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 412P-B 4" Commercial and Industrial Surface Mount Switch Set, Standard Gap up to 1/2", Open/Closed Loop Type, SPDT, 5W, Brown

412P-B

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