ADI Global US
Fast. Easy. Simple.
A better ADI experience starts in the app.
Reno, NV wildfires may create delivery delays and transportation disruptions in affected markets.Flash Sale: Save up to 75% through Aug. 28Reno, NV wildfires may create delivery delays and transportation disruptions in affected markets.Flash Sale: Save up to 75% through Aug. 28Reno, NV wildfires may create delivery delays and transportation disruptions in affected markets.
Become a CustomerStore LocatorHelp
ADI a Resideo company
menu

Magnasphere

Filter Results

Showing  253 - 280 of 324
content loaded
Magnasphere MSS-1643 L Bracket for MSS-300S Series
Magnasphere
Magnasphere MSS-1643 L Bracket for MSS-300S Series
MSS-1643|MR-MSS1643
Sign In for Dealer Pricing
image of mr-1642
Magnasphere
Magnasphere 1642 MSS-300S Extended Bracket
1642|MR-1642
Sign In for Dealer Pricing
Magnasphere MSS-K24-W Surface Mount Contact, 2.5", Black
Magnasphere
Magnasphere MSS-K24-W Surface Mount Contact, 2.5", Black
MSS-K24-W|MR-MSSK24W
Sign In for Dealer Pricing
magnasphere hss-l2s-018 magnetic contact image of mr-hssl2s018
Magnasphere
Magnasphere HSS-L2S UL634 Level High Security Single Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, Parallel Embedded EOL Resistors
HSS-L2S|MR-HSSL2S018
Sign In for Dealer Pricing
Magnasphere HSS-L2D UL634 Level High Security Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, 5' Armored Cable
Magnasphere
Magnasphere HSS-L2D UL634 Level High Security Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, 5' Armored Cable
HSS-L2D|MR-L2D000C60
Sign In for Dealer Pricing
Magnasphere MSS-312S Surface Mount with Armored Cable, 3 Switches, 1 Closed, 2 Open
Magnasphere
Magnasphere MSS-312S Surface Mount with Armored Cable, 3 Switches, 1 Closed, 2 Open
MSS-312S|MR-MSS312S
Sign In for Dealer Pricing
Magnasphere HSS-L2S-004-GO Single Alarm Contact Either Closed Or Open Loop
Magnasphere
Magnasphere HSS-L2S-004-GO Single Alarm Contact Either Closed Or Open Loop
HSS-L2S-004-GO|MR-L2S004GO
Sign In for Dealer Pricing
Magnasphere HSS-L2D-000-C72-L6.5 UL634 Level 2 Dual Alarm Surface Mount Contact, 36" Armored Cable, Silver-Gray
Magnasphere
Magnasphere HSS-L2D-000-C72-L6.5 UL634 Level 2 Dual Alarm Surface Mount Contact, 36" Armored Cable, Silver-Gray
HSS-L2D-000-C72-L6.5|MR-L2D000C72
Sign In for Dealer Pricing
Magnasphere MSS-201C-BROWN-FIRE 3/4" Recessed Alarm Contact, Closed Loop, 12" Leads, Brown
Magnasphere
Magnasphere MSS-201C-BROWN-FIRE 3/4" Recessed Alarm Contact, Closed Loop, 12" Leads, Brown
MSS-201C-BROWN-FIRE|MR-MSS201CBF
Sign In for Dealer Pricing
Magnasphere 1807 Armored Cable Routing Clamps
Magnasphere
Magnasphere 1807 Armored Cable Routing Clamps
1807|MR-1807
Sign In for Dealer Pricing
Magnasphere MSS-88SL-W MSS Series Surface Mount Magnetic Contact with 12" Leads, 4 x 1/2'', White
Magnasphere
Magnasphere MSS-88SL-W MSS Series Surface Mount Magnetic Contact with 12" Leads, 4 x 1/2'', White
MSS-88SL-W|MR-MSS88SLW
Sign In for Dealer Pricing
Magnasphere MSS-321S-C36-L3.5 MSS-300 Series Surface-Mount Contact with Armored Cable, 2-Open Loops, 1-Closed Loop
Magnasphere
Magnasphere MSS-321S-C36-L3.5 MSS-300 Series Surface-Mount Contact with Armored Cable, 2-Open Loops, 1-Closed Loop
MSS-321S-C36-L3.5|MR-MSS321S36
Sign In for Dealer Pricing
Magnasphere HS-OHD-111 Mounted to HS-1271 OHD Rail Mount Bracket
Magnasphere
Magnasphere HS-OHD-111 Mounted to HS-1271 OHD Rail Mount Bracket
HS-OHD-111|MR-OHD111
Sign In for Dealer Pricing
Magnasphere MSS-K22S-G 2.5" Surface Mount Contact
Magnasphere
Magnasphere MSS-K22S-G 2.5" Surface Mount Contact
MSS-K22S-G|MR-MSSK22SG
Sign In for Dealer Pricing
magnasphere mss-54sl-w magnetic contact image of mr-mss54slw
Magnasphere
Magnasphere MSS-54SL 2.5" Surface Mount Contact Closed Loop with 12" Jacketed Leads, Universal Mounting, White
MSS-54SL|MR-MSS54SLW
Sign In for Dealer Pricing
Magnasphere HSS-L2D-020 Dual Alarm Contacts, Closed Loop
Magnasphere
Magnasphere HSS-L2D-020 Dual Alarm Contacts, Closed Loop
HSS-L2D-020|MR-HSSL2D020
Sign In for Dealer Pricing
magnasphere mss-53sl-w magnetic contact image of mr-mss53slw
Magnasphere
Magnasphere MSS-53SL 2.5" Surface Mount Contact Open Loop with 12" Jacketed Leads, White
MSS-53SL|MR-MSS53SLW
Sign In for Dealer Pricing
Magnasphere HS-L1.5-111-C48-L4.5 HS-L1.5-111 with 4' Armored Cable
Magnasphere
Magnasphere HS-L1.5-111-C48-L4.5 HS-L1.5-111 with 4' Armored Cable
HS-L1.5-111-C48-L4.5|MR-L15111C48
Sign In for Dealer Pricing
Magnasphere HSS-L2D-804 HI-SEC Dual Alarm Surface Mount Conductor
Magnasphere
Magnasphere HSS-L2D-804 HI-SEC Dual Alarm Surface Mount Conductor
HSS-L2D-804|MR-HSSL2D804
Sign In for Dealer Pricing
Magnasphere HS-L1.5-121-C48-L4.5 with 4' Armored Cable
Magnasphere
Magnasphere HS-L1.5-121-C48-L4.5 with 4' Armored Cable
HS-L1.5-121-C48-L4.5|MR-L15121L45
Sign In for Dealer Pricing
Magnasphere MSS-1790 Mortise Mount Adapted 1" Contact, Kit
Magnasphere
Magnasphere MSS-1790 Mortise Mount Adapted 1" Contact, Kit
MSS-1790|MR-MSS1790
Sign In for Dealer Pricing
Magnasphere HS-L1.5-111-C60-L5.5 Armored Cable, 1.5mm, White
Magnasphere
Magnasphere HS-L1.5-111-C60-L5.5 Armored Cable, 1.5mm, White
HS-L1.5-111-C60-L5.5|MR-L15111C60
Sign In for Dealer Pricing
Magnasphere MSS-303C Multi-Switch Series, Black, Fire Alarm Compatible
Magnasphere
Magnasphere MSS-303C Multi-Switch Series, Black, Fire Alarm Compatible
MSS-303C-BLACK-FIRE|MR-MSS303CBL
Sign In for Dealer Pricing
magnasphere mss-321s surface mount contact with armored cable, 3 switches, 1 open loop, 2 closed loop image of mr-mss321s
Magnasphere
Magnasphere MSS-321S Surface Mount Multi-Switch Contact with Armored Cable, Switches, Open Loop, Closed Loop
MSS-321S|MR-MSS321S
Sign In for Dealer Pricing
image of mr-mssk24sg
Magnasphere
Magnasphere MSS-K24S-G MSS Series 2.5" (64mm) Surface Mount Contact Closed Loop, Grey
MSS-K24S-G|MR-MSSK24SG
Sign In for Dealer Pricing
magnasphere hss-l1.5-111-c180-l15.5 magnetic contact image of mr-hssl1c180
Magnasphere
Magnasphere HSS-L1.5 15' Armored Cable, Custom
HS-L1.5|MR-HSSL1C180
Sign In for Dealer Pricing
magnasphere hss-l2s-004 magnetic contact image of mr-hssl2s004
Magnasphere
Magnasphere HSS-L2S UL634 Level High Security Single Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, Parallel Embedded EOL Resistors
HSS-L2S|MR-HSSL2S004
Sign In for Dealer Pricing
Magnasphere MSS-105S-G Open Loop Overhead Door Contact, Rail Mount, Gray
Magnasphere
Magnasphere MSS-105S-G Open Loop Overhead Door Contact, Rail Mount, Gray
MSS-105S-G|MR-MSS105SG
Sign In for Dealer Pricing
Magnasphere MSS-1643 L Bracket for MSS-300S Series
MSS-1643MR-MSS1643
Magnasphere
Magnasphere MSS-1643 L Bracket for MSS-300S Series
MSS-1643|MR-MSS1643

Key Features

  • L Bracket for MSS-300S Series
Sign In for Dealer Pricing
Sign In for Dealer Pricing
image of mr-1642
1642MR-1642
Magnasphere
Magnasphere 1642 MSS-300S Extended Bracket
1642|MR-1642

Key Features

  • MSS-300S Extended L Bracket
  • Durable construction
  • Easy installation
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-K24-W Surface Mount Contact, 2.5", Black
MSS-K24-WMR-MSSK24W
Magnasphere
Magnasphere MSS-K24-W Surface Mount Contact, 2.5", Black
MSS-K24-W|MR-MSSK24W

Key Features

  • Made with Magnasphere Switch Technology
  • Won't break
  • Resistant to contact welding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere hss-l2s-018 magnetic contact image of mr-hssl2s018
HSS-L2S-018MR-HSSL2S018
Magnasphere
Magnasphere HSS-L2S UL634 Level High Security Single Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, Parallel Embedded EOL Resistors
HSS-L2S|MR-HSSL2S018

Key Features

  • Made with award winning Magnasphere switch technology
  • Resistant to External and Internal magnetic defeat
  • Replacement for existing BMS devices
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HSS-L2D UL634 Level High Security Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, 5' Armored Cable
HSS-L2D-000-C60-L5.5MR-L2D000C60
Magnasphere
Magnasphere HSS-L2D UL634 Level High Security Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, 5' Armored Cable
HSS-L2D|MR-L2D000C60

Key Features

  • Made with award winning Magnasphere switch technology
  • Upgrade for existing BMS devices
  • Easier to Install
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-312S Surface Mount with Armored Cable, 3 Switches, 1 Closed, 2 Open
MSS-312SMR-MSS312S
Magnasphere
Magnasphere MSS-312S Surface Mount with Armored Cable, 3 Switches, 1 Closed, 2 Open
MSS-312S|MR-MSS312S

Key Features

  • Made with Magnasphere Switch Technology
  • Won't break
  • Resistant to contact welding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HSS-L2S-004-GO Single Alarm Contact Either Closed Or Open Loop
HSS-L2S-004-GOMR-L2S004GO
Magnasphere
Magnasphere HSS-L2S-004-GO Single Alarm Contact Either Closed Or Open Loop
HSS-L2S-004-GO|MR-L2S004GO
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HSS-L2D-000-C72-L6.5 UL634 Level 2 Dual Alarm Surface Mount Contact, 36" Armored Cable, Silver-Gray
HSS-L2D-000-C72-L6.5MR-L2D000C72
Magnasphere
Magnasphere HSS-L2D-000-C72-L6.5 UL634 Level 2 Dual Alarm Surface Mount Contact, 36" Armored Cable, Silver-Gray
HSS-L2D-000-C72-L6.5|MR-L2D000C72
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-201C-BROWN-FIRE 3/4" Recessed Alarm Contact, Closed Loop, 12" Leads, Brown
MSS-201C-BROWN-FIREMR-MSS201CBF
Magnasphere
Magnasphere MSS-201C-BROWN-FIRE 3/4" Recessed Alarm Contact, Closed Loop, 12" Leads, Brown
MSS-201C-BROWN-FIRE|MR-MSS201CBF
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere 1807 Armored Cable Routing Clamps
1807MR-1807
Magnasphere
Magnasphere 1807 Armored Cable Routing Clamps
1807|MR-1807
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-88SL-W MSS Series Surface Mount Magnetic Contact with 12" Leads, 4 x 1/2'', White
MSS-88SL-WMR-MSS88SLW
Magnasphere
Magnasphere MSS-88SL-W MSS Series Surface Mount Magnetic Contact with 12" Leads, 4 x 1/2'', White
MSS-88SL-W|MR-MSS88SLW
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-321S-C36-L3.5 MSS-300 Series Surface-Mount Contact with Armored Cable, 2-Open Loops, 1-Closed Loop
MSS-321S-C36-L3.5MR-MSS321S36
Magnasphere
Magnasphere MSS-321S-C36-L3.5 MSS-300 Series Surface-Mount Contact with Armored Cable, 2-Open Loops, 1-Closed Loop
MSS-321S-C36-L3.5|MR-MSS321S36

Key Features

  • Made with award winning Magnasphere switch technology
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HS-OHD-111 Mounted to HS-1271 OHD Rail Mount Bracket
HS-OHD-111MR-OHD111
Magnasphere
Magnasphere HS-OHD-111 Mounted to HS-1271 OHD Rail Mount Bracket
HS-OHD-111|MR-OHD111

Key Features

  • HS-L1.5-111 ( 2 closed Loop contacts (N.C, no resistors) with pry tamper closed loop)
  • Mounted to HS-1271 OHD rail mount bracket
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-K22S-G 2.5" Surface Mount Contact
MSS-K22S-GMR-MSSK22SG
Magnasphere
Magnasphere MSS-K22S-G 2.5" Surface Mount Contact
MSS-K22S-G|MR-MSSK22SG

Key Features

  • Made with award winning Magnasphere switch technology
  • Resistant to contact welding
  • Resistant to outside defeat
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere mss-54sl-w magnetic contact image of mr-mss54slw
MSS-54SL-WMR-MSS54SLW
Magnasphere
Magnasphere MSS-54SL 2.5" Surface Mount Contact Closed Loop with 12" Jacketed Leads, Universal Mounting, White
MSS-54SL|MR-MSS54SLW

Key Features

  • Made with award winning Magnasphere switch technology
  • Won't break
  • Resistant to contactWelding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HSS-L2D-020 Dual Alarm Contacts, Closed Loop
HSS-L2D-020MR-HSSL2D020
Magnasphere
Magnasphere HSS-L2D-020 Dual Alarm Contacts, Closed Loop
HSS-L2D-020|MR-HSSL2D020
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere mss-53sl-w magnetic contact image of mr-mss53slw
MSS-53SL-WMR-MSS53SLW
Magnasphere
Magnasphere MSS-53SL 2.5" Surface Mount Contact Open Loop with 12" Jacketed Leads, White
MSS-53SL|MR-MSS53SLW

Key Features

  • Made with award winning Magnasphere switch technology
  • Won’t break
  • Resistant to contactWelding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HS-L1.5-111-C48-L4.5 HS-L1.5-111 with 4' Armored Cable
HS-L1.5-111-C48-L4.5MR-L15111C48
Magnasphere
Magnasphere HS-L1.5-111-C48-L4.5 HS-L1.5-111 with 4' Armored Cable
HS-L1.5-111-C48-L4.5|MR-L15111C48
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HSS-L2D-804 HI-SEC Dual Alarm Surface Mount Conductor
HSS-L2D-804MR-HSSL2D804
Magnasphere
Magnasphere HSS-L2D-804 HI-SEC Dual Alarm Surface Mount Conductor
HSS-L2D-804|MR-HSSL2D804

Key Features

  • Intrinsically Safe, Simple Apparatus
  • Resistant to External and Internal magnetic defeat
  • Dual 1/2" NPT conduit ports provide top or side connection options
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HS-L1.5-121-C48-L4.5 with 4' Armored Cable
HS-L1.5-121-C48-L4.5MR-L15121L45
Magnasphere
Magnasphere HS-L1.5-121-C48-L4.5 with 4' Armored Cable
HS-L1.5-121-C48-L4.5|MR-L15121L45
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-1790 Mortise Mount Adapted 1" Contact, Kit
MSS-1790MR-MSS1790
Magnasphere
Magnasphere MSS-1790 Mortise Mount Adapted 1" Contact, Kit
MSS-1790|MR-MSS1790

Key Features

  • Made with award winning Magnasphere switch technology
  • Closed loop
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere HS-L1.5-111-C60-L5.5 Armored Cable, 1.5mm, White
HS-L1.5-111-C60-L5.5MR-L15111C60
Magnasphere
Magnasphere HS-L1.5-111-C60-L5.5 Armored Cable, 1.5mm, White
HS-L1.5-111-C60-L5.5|MR-L15111C60
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-303C Multi-Switch Series, Black, Fire Alarm Compatible
MSS-303C-BLACK-FIREMR-MSS303CBL
Magnasphere
Magnasphere MSS-303C Multi-Switch Series, Black, Fire Alarm Compatible
MSS-303C-BLACK-FIRE|MR-MSS303CBL
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere mss-321s surface mount contact with armored cable, 3 switches, 1 open loop, 2 closed loop image of mr-mss321s
MSS-321SMR-MSS321S
Magnasphere
Magnasphere MSS-321S Surface Mount Multi-Switch Contact with Armored Cable, Switches, Open Loop, Closed Loop
MSS-321S|MR-MSS321S

Key Features

  • Made with award winning Magnasphere switch technology
  • Won't break
  • Resistant to contactWelding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
image of mr-mssk24sg
MSS-K24S-GMR-MSSK24SG
Magnasphere
Magnasphere MSS-K24S-G MSS Series 2.5" (64mm) Surface Mount Contact Closed Loop, Grey
MSS-K24S-G|MR-MSSK24SG

Key Features

  • Made with award winning Magnasphere switch technology
  • Won't break
  • Resistant to contact welding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere hss-l1.5-111-c180-l15.5 magnetic contact image of mr-hssl1c180
HSS-L1.5-111-C180-L15.5MR-HSSL1C180
Magnasphere
Magnasphere HSS-L1.5 15' Armored Cable, Custom
HS-L1.5|MR-HSSL1C180

Key Features

  • Made with award winning Magnasphere switch technology
  • ContactWelding Resistant
  • Magnetic Tamper Resistant
Sign In for Dealer Pricing
Sign In for Dealer Pricing
magnasphere hss-l2s-004 magnetic contact image of mr-hssl2s004
HSS-L2S-004MR-HSSL2S004
Magnasphere
Magnasphere HSS-L2S UL634 Level High Security Single Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop, Parallel Embedded EOL Resistors
HSS-L2S|MR-HSSL2S004

Key Features

  • Made with award winning Magnasphere switch technology
  • Resistant to External and Internal magnetic defeat
  • Replacement for existing BMS devices
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Magnasphere MSS-105S-G Open Loop Overhead Door Contact, Rail Mount, Gray
MSS-105S-GMR-MSS105SG
Magnasphere
Magnasphere MSS-105S-G Open Loop Overhead Door Contact, Rail Mount, Gray
MSS-105S-G|MR-MSS105SG

Key Features

  • Made with Magnasphere Switch Technology
  • Won't break
  • Resistant to contact welding
Sign In for Dealer Pricing
Sign In for Dealer Pricing
Showing 253 - 280 of 324
About Us
Careers
Services
ADI Global Website
Sign Up for Email
Sign Up
Branch
Locator
© 2026 ADI Global - All Rights Reserved.
Terms & Conditions
Privacy Statement