Marine product certifications may require additional wire markings. Refer to section
Wire markings (page 54).
￭
Cooling air inlet through bottom of cabinet (option +C128)
See section Air inlet through the bottom of the cabinet (option +C128) (page 82).
￭
UL Listed (option +C129)
The cabinet contains the following accessories and features:
• top entry and exit with US cable conduit entries (plain plate without ready-made
holes)
• all components UL/CSA Listed/Recognized
• maximum supply voltage 600 V
• US-type main switch and fuses.
￭
Channeled air outlet (option +C130)
This option provides a collar for connection to an air outlet duct. The collar is located
on the cabinet roof. Depending on the equipment installed in each cubicle, the
channeled air outlet either replaces, or adds to, the standard roof arrangement.
With option +B055, this option also provides the cabinet air inlets with filter housings
containing folded board air filter mats between the inner and outer metallic gratings.
See also section Air outlet duct on the cabinet roof (option +C130) (page 83).
￭
CSA Approved (option +C134)
The option includes the following accessories and features:
• bottom entry and exit of cables with US cable conduit entry (plain plate without
ready-made holes)
• all components UL/CSA listed/recognized
• maximum supply voltage 600 V
• main (air circuit) breaker when available for the particular drive type.
￭
Plinth height (options +C164 and +C179)
The standard height of the cabinet plinth is 50 mm. These options specify a plinth
height of 100 mm (+C164) or 200 mm (+C179).
￭
Seismic design (option +C180)
The option involves seismic capability according to International building code 2012,
test procedure ICC-ES AC-156. The installation level must not exceed 25% of the height
of the building, and
S
DS
(installation site specific spectral acceleration response) must
not exceed 2.0
g
.
The option adds the following accessories and features:
• reinforced mechanics
• flat bars at base of the cabinet for fastening.
52 Operation principle and hardware description
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