Magnasphere HSS-L2S-818 Single Alarm Contact with Tamper Circuit, Closed Loop
SKU
HSS-L2S-818
Model No
HSS-L2S-818
$363.00
Product Highlights
- Intrinsically Safe, Simple Apparatus
- Resistant to External and Internal magnetic defeat
- Dual 1/2″ NPT conduit ports provide top or side connection options
- Replacement for existing BMS devices
- No adjustment required for installation

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The HSS-L2S-818 from Magnasphere is a Single Alarm Contact Closed Loop with Tamper Circuit, Closed Loop. Featuring 330 ? Series and 165 ? Parallel Embedded EOL Resistors on a Closed Loop Circuit, this two-wire security sensor is designed for high security applications such as SCIFs, safes, and vaults. The HSS-L2 Series stands out with its adherence to UL634 Level 2 High Security Standards, offering enhanced security and labor-saving installation features, including embedded EOL Resistors for optimal performance.
Magnasphere HSS-L2S-818 Features
- Intrinsically Safe: Designed to be a simple apparatus, ensuring user safety in various conditions.
- Resistant to Defeat: Built to withstand external and internal magnetic influences, preventing bypassing.
- Flexible Installation: Featuring dual 1/2” NPT conduit ports for versatile top or side connection options.
- Direct Replacement: Acts as a replacement for existing BMS devices, facilitating easy upgrades.
- No Adjustments Needed: Simplifies installation as no adjustments are required for setup.
- Secure Tamper Circuit: Industry-leading removal tamper sensor/circuit enhances security measures.
- Advanced Switch Technology: Magnasphere® technology prevents permanent contact welding, ensuring reliable operation during surges.
- Versatile Alarm Contacts: Available in both single (L2S) and dual (L2D) configurations for various applications.
- American Made: Crafted using award-winning technology, ensuring quality and reliability.
- Control Panel Compatibility: Works seamlessly with control panel models that accept contact inputs, enhancing system integration.
- Built-in EOL Resistors: Offers an option for embedded EOL Resistors for added convenience.
- Competitive Pricing: Provides high-end security features at a competitive price point, maximizing value.
Magnasphere HSS-L2S-818 Detailed Specifications
| Model | HSS-L2S-818 |
| Type | Single Alarm Contact |
| Security Standard | UL634 Level 2 |
| Wiring Configuration | Closed Loop, 2 Wire |
| EOL Resistors | 330 ? Series, 165 ? Parallel |
| Port Configuration | Dual 1/2” NPT |
| Construction | American Made |
| Sensor Technology | Magnasphere® Switch Technology |
| Tamper Circuit | Yes, Intrinsically Safe |
| Compatibility | Control Panel Models Accepting Contact Inputs |
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