Magnasphere HSS-L2D-813 Dual Alarm Contacts with Tamper Circuit, Closed Loop
SKU
HSS-L2D-813
Model No
HSS-L2D-813
$369.00
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-L2D-813 from Magnasphere is a state-of-the-art dual alarm contact system, featuring a tamper circuit and closed loop design for advanced security applications. Designed for high-security environments such as SCIFs, safes, and vaults, this device meets UL634 Level 2 standards, ensuring maximum protection against unauthorized access. Built with embedded EOL resistors and a robust design, the HSS-L2D-813 simplifies installation while providing unparalleled security performance.
Magnasphere HSS-L2D-813 Features
- Intrinsically Safe, Simple Apparatus: Ensures safe operation in various environments, minimizing risk.
- Resistant to External and Internal Magnetic Defeat: Offers enhanced security against attempts to bypass the system using magnets.
- Dual 1/2” NPT Conduit Ports: Provides flexibility in installation by allowing top or side connections.
- Replacement for Existing BMS Devices: Seamlessly integrates into current systems without extensive modifications.
- No Adjustment Required for Installation: Simplifies setup, saving time and labor costs during installation.
- Industry’s Most Secure Removal Tamper Sensor/Circuit: Detects and alerts any unauthorized removal, offering peace of mind.
- Resists Permanent Contact Welding: Magnasphere® switch technology protects against power surges and electrical interference.
- Single (L2S) and Dual (L2D) Alarm Contacts: Provides options to meet diverse security needs.
- American Made: Crafted using award-winning technology, ensuring quality and reliability.
- Compatible with Control Panel Models: Works with various systems that accept contact inputs, enhancing versatility.
- Built-in EOL Resistors Available: Integrated resistors maximize security while reducing installation complexity.
- Competitively Priced: Provides excellent value for high-security applications.
Detailed Specifications for Magnasphere HSS-L2D-813
| Type | Dual Alarm Contacts with Tamper Circuit |
| Contact Configuration | 1 N.O., 1 N.C. |
| Embedded Resistor | 33K ? Parallel on N.O. Alarm Contact; 33K ? Series on Tamper Circuit |
| Mounting Type | Surface Mount |
| Compliance | UL634 Level 2 High Security Standard |
| Conduit Ports | Dual 1/2” NPT |
| Manufacturer's Origin | USA |
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