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Fortress Interlocks Key Switches 
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Fortress Interlock S A02040 / 22 Fortress Interlocks S A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S A02044 Fortress Interlocks S A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S A03240 / 22 Fortress Interlocks S A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S A06340 / 22 Fortress Interlocks S A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S Fortress Interlocks S, S Panel Mounting Switches, S, Less Switch

Fortress Interlocks S, S Panel Mounting Switches, S, Less Switch

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIN-A02040 / 22 Fortress Interlocks S-CLIN-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S-CLIN-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIN-A02044 Fortress Interlocks S-CLIN-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-CLIN-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIN-A03240 / 22 Fortress Interlocks S-CLIN-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-CLIN-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIN-A06340 / 22 Fortress Interlocks S-CLIN-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-CLIN-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIS-A02044 Fortress Interlocks S-CLIS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-CLIS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIS-A03240 / 22 Fortress Interlocks S-CLIS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-CLIS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLIS-A06340 / 22 Fortress Interlocks S-CLIS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-CLIS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLSS-A02040 / 22 Fortress Interlocks S-CLSS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S-CLSS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLSS-A02044 Fortress Interlocks S-CLSS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-CLSS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLSS-A03240 / 22 Fortress Interlocks S-CLSS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-CLSS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-CLSS-A06340 / 22 Fortress Interlocks S-CLSS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-CLSS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIN-A02040 / 22 Fortress Interlocks S-MLIN-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLIN-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIN-A02044 Fortress Interlocks S-MLIN-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-MLIN-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIN-A03240 / 22 Fortress Interlocks S-MLIN-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLIN-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIN-A06340 / 22 Fortress Interlocks S-MLIN-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-MLIN-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIS-A02040 / 22 Fortress Interlocks S-MLIS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLIS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIS-A02044 Fortress Interlocks S-MLIS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-MLIS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIS-A03240 / 22 Fortress Interlocks S-MLIS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLIS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLIS-A06340 / 22 Fortress Interlocks S-MLIS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-MLIS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLSS-A02040 / 22 Fortress Interlocks S-MLSS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLSS-A02040 / 22, S Panel Mounting Switches, S, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLSS-A02044 Fortress Interlocks S-MLSS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Fortress Interlocks S-MLSS-A02044, S Panel Mounting Switches, S, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLSS-A03240 / 22 Fortress Interlocks S-MLSS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks S-MLSS-A03240 / 22, S Panel Mounting Switches, S, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock S-MLSS-A06340 / 22 Fortress Interlocks S-MLSS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Fortress Interlocks S-MLSS-A06340 / 22, S Panel Mounting Switches, S, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE A02040 / 22 Fortress Interlocks SE A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE A02044 Fortress Interlocks SE A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE A03240 / 22 Fortress Interlocks SE A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE A06340 / 22 Fortress Interlocks SE A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIN-A02040 / 22 Fortress Interlocks SE-CLIN-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLIN-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIN-A02044 Fortress Interlocks SE-CLIN-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-CLIN-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIN-A03240 / 22 Fortress Interlocks SE-CLIN-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLIN-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIN-A06340 / 22 Fortress Interlocks SE-CLIN-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-CLIN-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIS-A02040 / 22 Fortress Interlocks SE-CLIS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLIS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIS-A02044 Fortress Interlocks SE-CLIS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-CLIS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIS-A03240 / 22 Fortress Interlocks SE-CLIS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLIS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLIS-A06340 / 22 Fortress Interlocks SE-CLIS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-CLIS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLSS-A02040 / 22 Fortress Interlocks SE-CLSS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLSS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLSS-A02044 Fortress Interlocks SE-CLSS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-CLSS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLSS-A03240 / 22 Fortress Interlocks SE-CLSS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-CLSS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-CLSS-A06340 / 22 Fortress Interlocks SE-CLSS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-CLSS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIN-A02040 / 22 Fortress Interlocks SE-MLIN-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLIN-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIN-A02044 Fortress Interlocks SE-MLIN-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-MLIN-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIN-A03240 / 22 Fortress Interlocks SE-MLIN-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLIN-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIN-A06340 / 22 Fortress Interlocks SE-MLIN-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-MLIN-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIS-A02040 / 22 Fortress Interlocks SE-MLIS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLIS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIS-A02044 Fortress Interlocks SE-MLIS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-MLIS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIS-A03240 / 22 Fortress Interlocks SE-MLIS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLIS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLIS-A06340 / 22 Fortress Interlocks SE-MLIS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-MLIS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLSS-A02040 / 22 Fortress Interlocks SE-MLSS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLSS-A02040 / 22, Se Enclosed Switches, Se, Ac 20 Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLSS-A02044 Fortress Interlocks SE-MLSS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Fortress Interlocks SE-MLSS-A02044, Se Enclosed Switches, Se, Ac 20 Amp 4No 4Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLSS-A03240 / 22 Fortress Interlocks SE-MLSS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Fortress Interlocks SE-MLSS-A03240 / 22, Se Enclosed Switches, Se, Ac 32Amp 4No Or 2No 2Nc

Usually Ships in 3 to 5 Days
Fortress Interlock SE-MLSS-A06340 / 22 Fortress Interlocks SE-MLSS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Fortress Interlocks SE-MLSS-A06340 / 22, Se Enclosed Switches, Se, Ac 63Amp 4No

Usually Ships in 3 to 5 Days
   
 
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mGard is the premier range of modular robust trapped key interlocks for heavy duty applications. Trapped key interlocking is a tried and tested method of mechanically safeguarding dangerous machines and hazardous processes, and is suitable for category 4 applications. It is called "Trapped Key" as it works by releasing and trapping keys in a predetermined sequence. After the control or power has been isolated, a key is released that can be used to grant access to individual or multiple doors.

mGard Product Range

  • Control Isolation
  • Power Isolation
  • Key Exchange Units
  • Access Interlocks
  • Valve Interlocks


For more information, application assistance, or to place an order, please call us at 203-426-7700