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M-AP-001-EN Rev. N
M-AP-001-EN Rev. N
Electrical Specications
The aim of electrical cables is to be a carrier (conductor) for electrical power. The inuence
of the power source on the environment, or the inuence of the environment on the
power source, should be such that neither the proper functioning of the compressor nor
equipment in its environment is adversely aected. Therefore, DTC advises to use some type
of shielded cable for the mains input.
When using shielded cable, select a cable with an eective shield. A cable with an aluminum
foil will be far less eective than a specially designed conductive braid. It is best to connect
both ends of the cable shield to ground since the shield is not part of the signal path.
Alternatively, non-shielded conductors may be used if they are carried inside of a code
approved electrical metallic conduit of the exible or rigid types.
The mains input cable should be CSA, UL, or CE approved, three-wire with a common shield
and single ground. The cable must be rated for 90°C (194°F) minimum at the maximum
applicable current. It is recommended that the cable be double-jacketed, i.e., teck cable
type. Refer to Table 6-4 for cable gland specications.
6.12 Mains Input Cable
Specication
Table 6-4 - Main Cable
Connector Plate Hole Sizes
Model 380V 400V 460V 575V
TT300/TG230 2.5” 2.5” 2.5” 2.5”
TT350/TG310 2.5” 2.5” 3” N/A
TT400/TG390 2.5” 2.5” 3” 3”
TT700/TG520 2.5” 2.5” 3” N/A
NOTE
The plate hole sizes shown in Table 6-4 are standard production sizes. OEMs have the exibility to change those sizes according
to their needs. Please refer to the Spare Parts Selection Guide for more information on available sizes or contact your Key Account
Manager for possible changes.
6.13 Idle Power
Consumption
TT/TG series have an Idle power consumption of 45 W.
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