Manual

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Power, Control and Information Solutions Headquarters
Publication RA-IN004B-EN-P – April 2011
Supersedes RA-IN004A-EN-P – January 2003 Copyright © 2011 Rockwell Automation, Inc. All rights reserved.
Thermostat Contact Rating: 125 VAC, 15 A, Opens at 227 °C (440 °F) Closes at 182 °C (359 °F)
Application Cross-Reference
Note 1: Always check resistor ohms against minimum resistance for drive being used.
Note 2: Duty cycle listed is based on full speed to zero speed deceleration.
For constant regen at full speed, duty cycle capability is half of what is listed.
Application Type 1 represents maximum capability up to 100% braking torque where possible.
Application Type 2 represents more than 100% braking torque where possible, up to a maximum of 150%.
Drive and Motor
Size
kW (HP) Part Number
Resistance
Ohms ±5%
Continuous Power
kW
Max Energy
kJ
Max Braking
Torque
% of Motor
Application Type 1 Application Type 2
Braking Torque
% of Motor
Duty Cycle
%
Braking Torque
% of Motor
Duty Cycle
%
100…120 Volt AC Input Drives
0.75 (1) AK-R2-091P500 91 0.08617218% 100% 23% 150% 31%
1.1 (1.5) AK-R2-091P500 91 0.086 17 164% 100% 16% 148% 11%
200…240 Volt AC Input Drives
0.37 (0.5) AK-R2-091P500 91 0.086 17 293% 100% 46% 150% 31%
0.75 (1) AK-R2-091P500 91 0.08617218% 100% 23% 150% 15%
1.5 (2) AK-R2-091P500 91 0.086 17 109% 100% 11% 109% 11%
2.2 (3) AK-R2-047P500 47 0.166 33 144% 100% 15% 144% 11%
4 (5) AK-R2-047P500 47 0.166 33 79% 79% 11% N/A N/A
5.5 (7.5) AK-R2-030P1K2 30 0.26 52 90% 90% 10% N/A N/A
7.5 (10) AK-R2-030P1K2 30 0.26 52 66% 66% 10% N/A N/A
11 (15) See Note 3 15 0.52 104 90% 90% 10% N/A N/A
15 (20) See Note 3 15 0.52 104 66% 66% 10% N/A N/A
400…480 Volt AC Input Drives
0.37 (0.5) AK-R2-360P500 360 0.086 17 305% 100% 47% 150% 31%
0.75 (1) AK-R2-360P500 360 0.086 17 220% 100% 23% 150% 15%
1.5 (2) AK-R2-360P500 360 0.086 17 110% 100% 12% 110% 11%
2.2 (3) AK-R2-120P1K2 120 0.26 52 197% 100% 24% 150% 16%
4 (5) AK-R2-120P1K2 120 0.26 52 124% 100% 13% 124% 10%
5.5 (7.5) AK-R2-120P1K2 120 0.26 52 90% 90% 10% N/A N/A
7.5 (10) AK-R2-120P1K2 120 0.26 52 66% 66% 10% N/A N/A
11 (15) See Note 3 60 0.52 104 90% 90% 10% N/A N/A
15 (20) See Note 3 60 0.52 104 66% 66% 10% N/A N/A
600 Volt AC Input Drives
0.37 (0.5) AK-R2-360P500 360 0.086 17 274% 100% 46% 150% 31%
0.75 (1) AK-R2-360P500 360 0.086 17 251% 100% 23% 150% 15%
1.5 (2) AK-R2-360P500 360 0.086 17 172% 100% 11% 150% 8%
2.2 (3) AK-R2-120P1K2 120 0.26 52 193% 100% 24% 150% 16%
4 (5) AK-R2-120P1K2 120 0.26 52 185% 100% 13% 150% 9%
5.5 (7.5) AK-R2-120P1K2 120 0.26 52 141% 100% 9% 141% 7%
7.5 (10) AK-R2-120P1K2 120 0.26 52 103% 100% 7% 103% 7%
11 (15) See Note 3 60 0.52 104 141% 100% 9% 141% 7%
15 (20) See Note 3 60 0.52 104 103% 100% 7% 103% 7%
AC Drive
4
BR1
BR+
BR2
BR-
!
ATTENTION: AC drives do not offer protection for externally mounted brake resistors,
especially in the case of brake IGBT failure. A risk of fire exists if external braking
resistors are not protected. External resistor packages must be protected from over
temperature or the protective circuit shown, or equivalent, must be supplied.
AC Drive
5
Thermostat
Connectors
Power On
R (L1)
S (L2)
T (L3)
Power Source DB Resistor Thermostat
Power O
M
M
(Input Contactor) M
Three-Phase
AC Input
!
ATTENTION:
Resistor temperature may exceed 200
degrees C.
Note 3: For 11 and 15 kW (15 and 20 HP) normal duty external resistor applications, use two
7.5 kW (10 HP) size resistors wired in parallel.