The ISB-1 Isolation Box is the first part of the Trapped Key System and is usually on the control panel of the equipment. Available with 25A or 40A. (For 63A rating please see ISB-2).
This is where the Isolator key in the Trapped Key System “lives” – when the Isolator key is “locked” in the ISB-1 power is provided to the equipment.
When the key is turned and removed the power to the equipment is removed.
The removed Isolator key can now be inserted in the next part of the Trapped Key System, i.e. Key Exchange Block or into a single component such as a Bolt Lock. Until the Isolator key is returned to the Isolator Switch power to the equipment cannot be restored.
Manufactured with a Stainless Steel barrel set into a polycarbonate housing.
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