GRI 11258-ZA Switch Set, B200-36 Configuration 1B Biased
SKU
11258-ZA
Model No
11258-ZA
$47.81
Product Highlights
- GRI B200-36 biased high-security switch set: wall mount; industrial extruded aluminum housing; 36-inch armored cable lead; Configuration 1B single-biased arrangement; biased into the opposite condition of a standard reed to create a double-tripping switch
- The biasing operation creates a maximum and minimum actuation distance — a "window"; a bypass magnet introduced at the center of this window causes the switch to release and trigger an alarm, defeating the most common reed switch bypass attempt
- Configuration 1B: the standard single-biased configuration; provides the fundamental biased high-security function for applications requiring magnet defeat protection above standard closed-loop contacts

Speak to an expert
The GRI 11258-ZA Switch Set, featuring a B200-36 Configuration 1B Biased design, is engineered for high-security applications. Its robust industrial extruded aluminum housing and advanced dual-tripping capabilities enhance security by effectively preventing unauthorized bypass attempts.
GRI 11258-ZA Switch Set + Key Features
- High-Security Design: The GRI B200-36 biased switch set is housed in durable extruded aluminum, ensuring longevity and resistance to tampering.
- Armored Cable Protection: The 36-inch armored cable lead provides additional protection against cuts and environmental factors, enhancing overall reliability.
- Configuration 1B Arrangement: This single-biased setup creates a double-tripping switch mechanism, essential for environments where security is paramount.
- Bypass Magnet Defense: The design features a “window” for maximum and minimum actuation distances, effectively preventing the most common bypass attempts with strategically used magnets.
- Versatile Applications: Ideal for installations that require advanced security features beyond standard closed-loop contacts, ensuring superior protection against unauthorized access.
GRI 11258-ZA Switch Set + Detailed Specifications
| Product Type | High-Security Switch Set |
| Model Number | GRI 11258-ZA |
| Configuration | B200-36 Configuration 1B |
| Housing Material | Industrial Extruded Aluminum |
| Cable Type | 36-Inch Armored Cable Lead |
| Actuation Mechanism | Single-Biased |
| Security Features | Double-Tripping Switch, Bypass Magnet Protection |
| Application | High-Security Environments |
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