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Sigmadrive - AC Induction Motor Controllers |
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Sigmadrive AC Induction Motor Controllers are tuneable to any AC motor, and uses advanced, real-time
high resolution current measurement combined with Sequential Phase Control (SPC) techniques to provide,
smooth highly efficient control of torque and speed. SPC provides enhanced performance over other control
techniques and is particularly power efficient with highly dynamic loads. Sigmadrive AC can be quickly set
up to provide maximum torque, efficiency and best performance characteristics. The Sigmadrive AC Induction
motor controllers are available in traction and pump configurations for the power and voltage ratings shown below.
Dual traction applications for all Sigmadrive variants can easily configured using 2 individual traction controllers linked by CANbus. |
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| Model |
Voltage |
Current rms/Time |
Current rms (1 hr.) |
Size |
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ACT865L
ACT835M
ACT817S
ACT465L
ACT445M
ACT425S
ACT225S
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72-80V
72-80V
72-80V
24-48V
24-48V
24-48V
24V
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460A/60s
250A/60s
120A/20s
460A/60s
320A/60s
180A/20s
180A/60s
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240A
120A
70A
260A
180A
80A
80A
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Large
Medium
Small
Large
Medium
Small
Small
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ACP865L
ACP835M
ACP817S
ACP465L
ACP445M
ACP425S
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72-80V
72-80V
72-80V
24-48V
24-48V
24-48V
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460A/60s
250A/60s
120A/20s
460A/60s
320A/60s
180A/20s
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240A
120A
70A
260A
180A
80A
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Large
Medium
Small
Large
Medium
Small
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Sigmadrive SEM |
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Sigmadrive Separately Excited Motor (SEM) controllers offer the same advanced technology and design features of the
Sigmadrive AC controllers to provide a range of flexible, power efficient traction speed controllers with an exceptional
power to size ratio, revolutionary low profile and excellent thermal characteristics. |
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| Model |
Voltage |
Current rms/Time |
Current rms (1 hr.) |
Size |
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SET865L
SET835M
SET465L
SET445M
SET425S
SET225S
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72-80V
72-80V
24-48V
24-48V
24-48V
24V
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460A/60s
350A/60s
650A/60s
450A/60s
250A/20s
250A/20s
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240A
120A
260A
180A
80A
80A
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Large
Medium
Large
Medium
Small
Small
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Sigmadrive Series |
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Sigmadrive Series motor controllers are available in traction, pump, and an innovative dual pump and
power steer assist variants. Sigmadrive series controllers offer excellent continuous current ratings
and comprehensive protection from all overcurrent fault conditions due to the high-resolution current
measurement. Sigmadrive series controllers also offer protected contactor drivers with inbuilt coil
suppression. The dual pump models offer a high-power output for the main lift pump, and a secondary
output for the smaller, power steering assist pump.
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| Model |
Voltage |
Current rms/Time |
Current rms (1 hr.) |
Size |
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SRT865L
SRT850M
SRT465M
SRT445M
SRT425S
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72-80V
72-80V
24-48V
24-48V
24-48V
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650A/60s
500A/60s
650A/15s
450A/60s
250A/20s
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240A
120A
260A
180A
80A
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Large
Medium
Medium
Medium
Small
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SRP865L
SRP850M
SRP465M
SRP445M
SRP425S
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72-80V
72-80V
24-48V
24-48V
24-48V
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650A/60s
500A/60s
650A/15s
450A/60s
250A/20s
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240A
120A
260A
180A
80A
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Large
Medium
Medium
Medium
Small
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| Dual Pump and Power Steer |
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SRD865L
SRD445M
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72-80V
24-48V
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650A/60s & 60A/60s
450A/60s & 50A/60s
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240A & 50A
180A & 35A
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Large
Medium
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Sigmadrive PM |
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Sigmadrive PM motor controllers offer smooth and predictable speed control of permanent magnet traction
motors across a wide range of system voltages and power ratings. The Sigmadrive PM controllers share all
of the advanced design features of the Sigmadrive family such as IMS technology, high-resolution current
measurement, CANbus communications and extremely low heat dissipation. The Sigmadrive PM range can also
be configured for dual traction applications, and includes dedicated Electric Power Steer Assist controllers.
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| Model |
Voltage |
Current rms/Time |
Current rms (1 hr.) |
Size |
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PMT835M
PMT465L
PMT445M
PMT425S
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72-80V
24-48V
24-48V
24-48V
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350A/60s
650A/60s
450A/60s
250A/20s
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120A
260A
180A
80A
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Medium
Large
Medium
Small
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| Electric Power Steer Assist |
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PMP8175
PMP425S
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72-80V
24-48V
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175A/20s
250A/20s
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60A
80A
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Small
Small
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