GRI TS-20-24 Tamper Switch, Closed Loop
SKU
TS-20-24
Model No
TS-20-24
$80.76
GRI TS-20-24 Tamper Switch, Closed Loop is available to buy in increments of 10
Product Highlights
- Recessed adjustable plunger from 1/4″ to 1/2″
- 3/8″ diameter (Smallest in the industry!)
- Easy to install
- Replaces old mechanical tampers
- Strong spring action

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The GRI TS-20-24 Tamper Switch is a compact and versatile solution designed for applications with space constraints. With its 3/8” diameter, it is the smallest in the industry, making it perfect for various door and window installations. The adjustable plunger and durable materials ensure reliable performance while preventing locking issues caused by environmental changes.
GRI TS-20-24 Tamper Switch Features
- Recessed adjustable plunger: Allows flexibility in setup, accommodating gaps from 1/4” to 1/2” for precise installation.
- 3/8” diameter: The smallest in the industry, designed to fit applications where larger switches would be impractical.
- Easy to install: Simplifies the installation process, saving time and reducing potential errors.
- Replaces old mechanical tampers: Provides a modern alternative, ensuring better performance and reliability.
- Strong spring action: Enhances the switch’s responsiveness and durability, leading to a longer lifespan.
- Press to fit: Designed for straightforward installation; this feature minimizes the need for complex setup procedures.
- 12” #22 AWG leads: Offers sufficient length for versatile connections, accommodating different installation scenarios.
- Screw down flange: The TS-20 model includes a flange for positive retention, ensuring stability and security during use.
- Longer leads available: Custom wire lengths upon request, providing options for unique installation needs.
- Hermetically sealed: Protects internal components from contaminants, ensuring consistent performance in various environments.
- Plated contacts: Resists sticking and freezing, enhancing reliability and functionality over time.
- Travel distance: Total travel distance of .250” with pre-travel set at .105 ± .035, ensuring precise activation.
- Mounting hardware included: Comes complete with necessary installation parts, facilitating a quick and easy setup.
- Supervisory loops: Available upon request, enhancing system monitoring capabilities.
GRI TS-20-24 Tamper Switch Detailed Specifications
| Feature | Details |
| Diameter | 3/8” |
| Plunger Adjustment | 1/4” to 1/2” |
| Lead Length | 12” #22 AWG |
| Mounting Flange | Screw down on TS-20 |
| Sealing | Hermetically sealed |
| Spring Material | Stainless steel |
| Contact Type | Plated |
| Travel Distance | Total .250”, Pre-travel .105 ± .035 |
| Included Hardware | Yes |
| Custom Options | Longer leads, supervisory loops |
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