84
ACH550 Installation, Operation and Maintenance Manual
ACH550-PCR/PDR
Power connection terminals
The following tables show maximum wire size and required tightening torque for
incoming power, grounding and motor terminals.
1. “PxR” represents both PCR and PDR.
2. Torque values shown relate to current production. Check component labels on previously installed
units for required tightening torque.
208/240 Volt
Base
Drive
Frame
Size
Power Wiring Data
2
HP
Type Code
1
Circuit
Breaker
UL Type/
NEMA
1 &12
Circuit
Breaker
UL Type
/ NEMA
3R
Disconnect
Switch
UL Type/
NEMA
1&12
Disconnect
Switch
UL Type/
NEMA
3R
Motor
Terminals
Ground
Lugs
UL Type/
NEMA
1&12
Ground
Lugs
UL Type
/ NEMA
3R
1
ACH550-PxR-04A6-2
R1
#10
35 in-lbs
#10
35 in-lbs
#10
7 in-lbs
#10
7 in-lbs
Refer to
Drive’s
power
connection
terminals
#10
35 in-lbs
#10
35 in-lbs
1.5
ACH550-PxR-06A6-2
R1
2
ACH550-PxR-07A5-2
R1
3
ACH550-PxR-012A-2
R1
5
ACH550-PxR-017A-2
R1
7.5
ACH550-PxR-024A-2
R2
#6
45 in-lbs
#6
45 in-lbs
#8
7 in-lbs
#8
7 in-lbs
#6
35 in-lbs
#6
35 in-lbs
10
ACH550-PxR-031A-2
R2
15
ACH550-PxR-046A-2
R3
#3
50 in-lbs
#3
50 in-lbs
#4
18 in-lbs
#4
18 in-lbs
#3
50 in-lbs
#3
50 in-lbs
20
ACH550-PxR-059A-2
R3
25
ACH550-PxR-075A-2
R4
#1
50 in-lbs
#1
50 in-lbs
#1
55 in-lbs
#1
55 in-lbs
#2
50 in-lbs
#2
50 in-lbs
30
ACH550-PxR-088A-2
R4
350 MCM
274 in-lbs
300 MCM
200 in-lbs
#1/0
70 in-lbs
#1/0
70 in-lbs
40
ACH550-PxR-114A-2
R4
300 MCM
275 in-lbs
300 MCM
200 in-lbs
50
ACH550-PxR-143A-2
R6
3 x #3/0
250 in-lbs
#2/0
275 in-lbs
60
ACH550-PxR-178A-2
R6
75
ACH550-PxR-221A-2
R6
2 x 500
MCM
274 in-lbs
2 x 500
MCM
274 in-lbs
2 x 500 MCM
274 in-lbs
2 x 500 MCM
274 in-lbs
350 MCM
100 in-lbs
100
ACH550-PxR-248A-2
R6
