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20 Operation principle and hardware description
Type designation key
Type designation describes the composition of the unit in short. The complete designation
code is divided in subcodes:
• The first digits form the basic code. It describes the basic construction of the unit. The
fields in the basic code are separated by hyphens.
• The plus codes (or option codes) follow the basic code. Each plus code starts with an
identifying letter (common for the whole product series), followed by descriptive digits.
The plus codes are separated by plus signs.
Basic code
￭
The basic code is described in the table below for an example code
ACS880-7407LC-3000A-7.
Code
Description
ACS880
Product series
7407LC
Product type. Liquid-cooled semiconductor switch unit.
3000A
Size. See technical data
7
Voltage rating. 976 V DC. This is indicated in the type designation label as typical input voltage
levels 976 V DC.
Option codes
￭
The table below lists the option codes.
Code
Description
A012
50 Hz supply frequency
A013
60 Hz supply frequency
B054
IP42 (UL Type 1 Filtered)
B055
IP54 (UL Type 12)
C121
Marine construction
C164
Plinth height 100 mm
C176
Door hinges on left
C179
Plinth height 200 mm
C205
Marine product certification issued by DNV GL
C206
Marine product certification issued by the American Bureau of Shipping (ABS)
C207
Marine product certification issued by Lloyd's Register (LR)
C209
Marine product certification issued by Bureau Veritas
C228
Marine product certification issued by China Classification Society (CCS)
C229
Marine product certification issued by Russian Maritime Register of Shipping (RS)
E210
EMC/RFI filter for 2nd environment TN (grounded) or IT (ungrounded) system, category C3
F276
Capability of ride-through in voltage break max. 3 s. without tripping
F322
DC breaker switch connected to DC+ busbar
F323
DC breaker switch connected to DC- busbar
F260
Unit is equipped with back up fuses
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