Riken Keiki GD-3EC, Technical Manual

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2. Important Safety Information 2-4 Safety information
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The “X” at the end of the certificate number indicates the following special operating conditions:
Certificate numbers “X” specific operating conditions Judgment
IECEx BAS 15.0056X
Baseefa 04 ATEX 0053X
Use terminals suitable for the operating conditions or use
appropriate termination within the bonds to protect against
mechanical damage—for example, when pulling
connector cables.
Conforms as
assembly.
These devices are not equipped with grounding or
external connectors to junction conductors. The user is
responsible for attaching and ensuring adequate
grounding.
Conforms as
assembly.
This device is also provided as an “Ex i” version and
features markings for both. The user is responsible for
determining explosion-proof performance.
Not applicable
When attaching to a flame-proof housing, apply high-
strength thread-locking compound to the mounting screw
on the surge protector.
“X” marking