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GRI 3030-TWG-B 3/8" Press Fit Recessed Switch Set, 1" Wide Gap, 5W, 175VDC, 0.25A, Open Loop, N/C, and Screw Terminals, Black

SKU: 3030-TWG-B George Risk Industries

Special Order: typically 2–6 weeks

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

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GRI 3030-TWG-B 3/8"-Res.1"wide Term.Oplp Brown
Product images for GRI 3030-TWG-B 3/8" Press Fit Recessed Switch Set, 1" Wide Gap, 5W, 175VDC, 0.25A, Open Loop, N/C, and Screw Terminals, Black. 1 image(s) available. Click on image to view full size.

Key Features

  • Low-profile recessed design (3/8" press-fit) preserves door aesthetics and reduces tamper risk while enabling secure perimeter monitoring.
  • 1" wide-gap N/C open-loop contact tolerates misalignment and thick or metal frames for reliable security and surveillance integration.
  • Screw terminals and optional E.O.L. resistor simplify fast, code-compliant wiring into alarm panels and access control systems.
  • UL/ULC listing and lifetime warranty deliver long-term reliability and reduced maintenance for commercial installations.
  • Durable steel housing and compatibility with GRI PA-75 adaptors for steel doors ensure consistent performance in industrial environments.

Quick Specifications

Product Model
3030-TWG-B
Brand Name
George Risk Industries
Product Name
3030-TWG-B Magnetic Contact
Product Type
Magnetic Contact
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Product information

3030-TWG-B

Overview

Ensure dependable perimeter protection with the George Risk Industries GRI 3030-TWG-B recessed magnetic contact. Designed for commercial access control and alarm systems, this magnetic contact provides reliable N/C open-loop monitoring while maintaining a low-profile appearance. The 3/8" press-fit recessed mount conceals the device for tamper resistance and aesthetics, while the 1" standard gap accommodates door misalignment and thick frames—making it an excellent choice for both doors and windows in security and surveillance applications. Rated for 175VDC and 0.25A, the unit supports wired integration into alarm panels and monitoring systems; screw terminals speed installation and support secure connections. UL/ULC certifications, optional E.O.L. resistor capability, and a lifetime warranty minimize downtime and support code-compliant deployments. Ideal for installers specifying durable, low-voltage contacts for intrusion detection, access control, or remote monitoring, the GRI 3030-TWG-B pairs performance with ease of installation. Add this George Risk magnetic contact to your next project for dependable door/window protection—order now or contact us for volume pricing and integration guidance.

Features

  • Low-profile recessed design (3/8" press-fit) preserves door aesthetics and reduces tamper risk while enabling secure perimeter monitoring.
  • 1" wide-gap N/C open-loop contact tolerates misalignment and thick or metal frames for reliable security and surveillance integration.
  • Screw terminals and optional E.O.L. resistor simplify fast, code-compliant wiring into alarm panels and access control systems.
  • UL/ULC listing and lifetime warranty deliver long-term reliability and reduced maintenance for commercial installations.
  • Durable steel housing and compatibility with GRI PA-75 adaptors for steel doors ensure consistent performance in industrial environments.
22 of 22 specifications
Technical specifications for GRI 3030-TWG-B 3/8" Press Fit Recessed Switch Set, 1" Wide Gap, 5W, 175VDC, 0.25A, Open Loop, N/C, and Screw Terminals, Black
General Information
Brand Name George Risk Industries
Manufacturer George Risk Industries
Product Name 3030-TWG-B Magnetic Contact
Product Type Magnetic Contact
Product Model 3030-TWG-B
Product Series 3030
Application/Usage Door, Window
Country of Origin US
Manufacturer Part Number 3030-TWG-B
Technical Information
Contact Form Form B
Standard Gap 1.00"
Connectivity Technology Wired
Certifications
Certifications & Standards UL, ULC
Physical Characteristics
Color Brown
Material Steel
Power Description
Power Source DC Power
Product Information
Diameter 0.40"
Mount Type Recessed Mount
Contact Type NC (Normally Closed)
Installation Type Hybrid (DIY + Professional)
Warranty
Limited Warranty Lifetime Warranty
Miscellaneous
Features End of Line (EOL) Resistor

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SKU:
3030-TWG-B
Manufacturer part:
3030-TWG-B
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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 3030-TWG-B 3/8" Press Fit Recessed Switch Set, 1" Wide Gap, 5W, 175VDC, 0.25A, Open Loop, N/C, and Screw Terminals, Black

3030-TWG-B

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