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INM 7700 Rev 12
DECLARATION OF CONFORMITY
A printed version of the Declaration of Conformity has been provided separately within the original shipment of goods. However, you
can find a copy of the latest version at http://www.mtl-inst.com/certificates
NOTE
The following MTL7700 range of Shunt Diode Safety Barrier Assemblies were submitted to the Mine Safety and Health Administration
(MSHA) of the U.S. Department of Labor for acceptance as part of an MSHA approved permissible system or machine.
M MTL7755ac
MTL7760ac MTL7761ac MTL7765ac
MTL7766Pac /-
These Safety Barrier Assemblies were evaluated by MHSA and judged to meet the applicable requirements of Title 30 Code of Federal
Regulations, Part 18.68 (30 CFR Part 18.68) provided that a relevant installation complies with the following conditions.
a) The installation shall preclude intermingling between intrinsically safe circuits, including their associated wires and cables, and all
other circuits, wires, and cables.
b) The MTL7700 range of Shunt Diode Safety Barrier Assemblies must be securely mounted within a suitable dust-tight enclosure in a
fresh air area of the mine or an explosion-proof enclosure.
c) The MTL7700 range of Shunt Diode Safety Barrier Assemblies must be grounded according to the manufacturer’s instructions.
d) The equipment connected to the the input terminals of the barrier must not use or generate more than the maximum 120Vrms.
