Fortress Interlocks introduces compact SR safety key switch to isolate power
17 September 2013
The new SR unit from Fortress Interlocks is a compact safety key switch that is ideal for isolating power to machinery.
For example, when the key is trapped inside the SR unit the power to machinery is on, and when the key is free, power is off. This allows the person carrying the freed key to enter the machinery or guarded area safely and power is not resumed until the key is returned. This is a typical sequence and other sequences can be specified.
The key switch is heavy duty, housed in a metal enclosure which is IP rated 65/66/67. Its compact design allows the customer plenty of space for wiring, a feature not available in previous switch offerings. The switch current is 20A.
The SR key switch is part of Fortress' mGard range of safety interlocks. mGard is the premier range of modular trapped key products that are used to safeguard dangerous machines and hazardous processes. Individual modules can simply be added or removed depending on the application which allows flexibility and tailoring. Fortress' mGard range of products is suitable for use in high risk applications.
For more information about how the SR unit can be used in your application, please visit the company website at www.fortressinterlocks.com
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