Model 
Number
HX7+C4
Lug Size Range
Power 
Module
Weight
(approx.)
6P&12P/
18P
Typical Cable 
Size 
AWG or MCM
3 Phase Input
3-Phase 
Output
DBR
AWG
6-Pulse 12-Pulse 18-Pulse
AM, FM, II 
Terminals
TB1 
Terminal 
Strip
51K
3 (3/0 – 500)
2 (2/0 – 350)
4 (1/0 – 750)
4 (1/0 – 750) 2 (2 – 500)
2
2000/5600
#20
(3-Core 
Shield)
#18
(2-Core 
Shield)
60K 2
2000/5700
70K
4 (3/0 – 500)
2
2000/5775
81K
N/A
3
200093K40 3
10L40 3
93K
4 (3/0 – 500)
3 (3/0 – 500)
N/A
4 (1/0 – 750)
2 (4 – 500)
3
3500
10L 3
12L 4 (1/0 – 750) 3
14L40
6 (1/0 – 750)
4 (3/0 – 500)
6 (1/0 – 750)
3
15L40 3
Note: For Lug Size values, the non-parenthesized number indicates the quantity of cables to be used for the 
parenthesized recommended size range [i.e., 2 - (1 – 250) = Two cables of sizes 1 to 250 MCM].
Shaded = 18-pulse option available.
Grounding Stud is 3/8–16 x 3/4 for above items.