GRI 4128 S50RS-12-B, (390271) Locknetics
SKU
4128
Model No
4128
$46.15
GRI 4128 S50RS-12-B, (390271) Locknetics is available to buy in increments of 10
Product Highlights
- Surface mount magnetic contact
- 400 has concealed terminals
- 410 has standard terminals on side of contact
- 410P has 36" 2 conductor vinyl jacketed cable
- Covers and mounting hardware included

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The GRI 4128 S50RS-12-B (390271) Locknetics offers robust solutions for commercial and industrial applications. With tamper-resistant designs and versatile installation options, this switch set ensures reliable performance with various door and frame conditions. Its concealed and standard terminal choices enhance security while included mounting hardware simplifies installation, making it an excellent choice for various operational needs.
GRI 4128 S50RS-12-B Camera Features
Features
- Surface mount magnetic contact: Ensures secure installation without the need for invasive mounting techniques.
- 400 has concealed terminals: Provides tamper-resistant installations, enhancing security.
- 410 has standard terminals on side of contact: Facilitates straightforward wiring for easier setups.
- 410P has 36" 2 conductor vinyl jacketed cable: Gives ample length for flexible installation options.
- Covers and mounting hardware included: Ensures all necessary components are provided for easy installation.
- Built in E.O.L. Resistors & Diodes upon request: Enhances system compatibility and safety in various applications.
- Colors: white, brown and gray: Offers aesthetic flexibility to match various environments.
- Private labeling upon request: Supports branding opportunities for re-sellers or installers.
- Indicates U.L. 10C Fire Rating: Ensures compliance with safety standards, making it suitable for high-risk environments.
GRI 4128 S50RS-12-B Detailed Specifications
| Type | Surface mount magnetic contact |
| Terminal Options | Concealed (400) and standard (410) |
| Cable Length | 36" vinyl jacketed cable (410P) |
| Included Components | Covers and mounting hardware |
| Optional Features | Built-in E.O.L. Resistors & Diodes |
| Available Colors | White, brown, gray |
| Private Labeling | Available upon request |
| Fire Rating | U.L. 10C Fire Rating |
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