Descriptions of options
Note:
All options are not available for all drive types, do not coexist with certain other options, or
may require additional engineering. Check actual availability with ABB.
￭ Degree of protection
The standard degree of protection is IP42 (UL type 1). IP54 (UL type 12) is available as
option +B055.
Definitions
According to IEC/EN 60529, the degree of protection is indicated by an IP code where the
first numeral means protection against ingress of solid foreign objects, and the second
numeral protection against ingress of water. The IP codes of the standard cabinet and
options covered in this manual are defined below.
The equipment is protected …
IP code
Second numeralFirst numeral
against dripping (15° tilting) wateragainst ingress of solid foreign objects > 1 mmIP42
against splashing waterdust-protectedIP54
* meaning for protection of persons: against access to hazardous parts with finger
￭ Marine construction (option +C121)
The option includes the following accessories and features:
• reinforced mechanics
• grab railings
• door flush bolt which allows the door to open 90 degrees and prevents it from slamming
close
• self-extinctive materials
• flat bars at base of the cabinet for fastening
• fastening braces at the top of the cabinet.
Additional wire markings (see Additional wire markings) may be required for classification.
￭ 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).
￭ Resistor braking (options +D150 and +D151)
See chapter Resistor braking (page 203).
￭ Cabinet heater with external supply (option +G300)
The option contains:
• heating elements in the cubicles or supply/inverter modules
• load switch for providing electrical isolation during service
• miniature circuit breaker for overcurrent protection
• terminal block for external power supply.
40 Operation principle and hardware description
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