HSS L2S-800 Single Alarm Contact, Surface Mount with Conduit Fitting

HSS Series | UL 634 LEVEL 2

   UL-634 Level 2 High Security

   Dual 1/2” NPT conduit ports

   Replacement for existing BMS devices

   INTRINSICALLY SAFE, Simple Apparatus

 The HSS L2-800 SERIES is resistant to:






HSS L2S-800  |  UL 634 Level 2 Single Alarm,
Surface Mount Contact with Conduit Fitting

MAGNASPHERE has created L2X-800 “High Security Sensor” -The Next Generation Sensors that Meet UL634 Level 2 High Security Standards for SCIFs. Safes, Vaults and Hazardous Environment Applications.



  • 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
  • Industry’s most secure removal tamper sensor/circuit
  • MAGNASPHERE® switch technology resists permanent contact welding (lightning, power surges, stun guns)
  • Single (L2S) and dual (L2D) alarm contacts available
  • American made using award-winning MAGNASPHERE switch technology
  • Compatible with control panel models that accept contact inputs
  • Built-in EOL resistors available
  • Competitively priced


Size: 5.6″ L x 1″ W x 1.5″ H 
[143mm x 25.4mm x 38.1mm]
Dual Fitting Note: Either or Both
Max Gap: .25″ [.125″ Gap for UL 634 Level 2 Installation]
Housing: Aluminum Case, Silver-Gray Anodized
Max Current:     0.25A Resistive
Max Voltage:     30 VDC
Max Power:      .25 W
Configuration:  Single Alarm Contact either Closed or Open Loop – Closed Loop Tamper circuit
Max Gap:          .25″ (Note: .125″ Gap
for UL 634 Level 2 Installation)
Wire Lead: #22 AWG, 36″ Solid Color-Coded.  For other lengths, contact factory.
Operation Temp: -40° C to 80° C
Wiring Schematics / Part No.

Wiring schematics for the following part numbers are available on the Downloads page in this section:
  • HSS-L2S-800 HSS-L2S-801 HSS-L2S-802 HSS-L2S-803 HSS-L2S-804
  • HSS-L2S-805 HSS-L2S-806 HSS-L2S-807 HSS-L2S-808 HSS-L2S-809
  • HSS-L2S-811 HSS-L2S-812 HSS-L2S-813 HSS-L2S-814


HSS L2S-800 Single Alarm Contact
Surface Mount with Conduit Fitting
 5.6″ x 1″ x 1.5″



MAGNASPHERE products are covered by U.S. and International Patents. Click to review each patent at the USPTO Patent Full-Text and Image Database.

US Patents