TCI HGA Manual - Manual (Page 30)

30
Installation Guidelines
Mounting
The HGA must be mounted vertically on a smooth, solid surface, free from heat, dampness, and
condensation.
Wiring
Cable Entry Locations
The enclosed HarmonicGuard Active filters are not provided with enclosure wiring knockouts,
however, a removable wire entry plate is provided. A selection can be made at the time of installation.
Typical or recommended cable entry locations are shown in the drawings shipped with the unit.
Caution
Refer to circuit breaker section on page 50.
Field Wiring Connection Terminals
Compression type terminals are provided for all field wiring connections. The wire size (75° C copper)
capacity ranges and tightening torque for the grounding and power terminals are listed in Table 4.1a
and 4.1b. Refer also to the drawings and other information shipped with the unit. A disconnecting
means is the responsibility of the customer.
Table 4.1a – Example Power Terminal Wire Size Capacity Range and Tightening Torque for
ABB Circuit Breakers
Filter Size
Ground Lug Power Terminals
Wire Size
Torque In-lbs
(Nm)
Breaker
IC
Wire Size
Torque In-lbs
(Nm)
39 & 78 Amp 14 AWG - 2/0 120 (13.6) 22 kA 14 - 1/0 AWG 70 (7.9)
45 & 50 Amp 14 AWG - 2/0 120 (13.6) 22 kA 14 - 1/0 AWG 70 (7.9)
39 & 78 Amp 14 AWG - 2/0 120 (13.6) 25 kA 2 - 4/0 AWG 250 (28.2)
100 Amp 14 AWG - 2/0 120 (13.6) 25 kA 4 AWG – 300 MCM 200 (22.6)
39 & 78 Amp 14 AWG - 2/0 120 (13.6) 65 kA 4 AWG – 350 MCM 250 (28.2)
45 & 50 Amp 14 AWG - 2/0 120 (13.6) 65 kA 14 - 1/0 AWG
70 (7.9)
100 Amp 14 AWG – 2/0 120 (13.6) 65 kA 6 AWG – 350 MCM
274 (31)
39 to 100 Amp 14 AWG – 2/0 120 (13.6) 100 kA 6 AWG – 350 MCM
274 (31)
200 Amp Two 6 AWG – 250 MCM 275 (31.1)
25 to
100 kA
Two 3/0 AWG – 250
MCM 274 (31)
300 Amp Consult Factory
39 & 78 Amp Control Terminals Wire Size 30 to 12 AWG Torque 4.4 in-lb. (.5 Nm)
45, 50, 100, 200
Amp
Control Terminals Wire Size 28 to 14 AWG Torque 4.4 in-lb. (.5 Nm)
Note: The values in this table are representative of ABB switch gear. For other manufacturer’s switch gear please contact
TCI.
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