SCA-S Drives
CompletePower™ Series

Summary Details

Technology: PMDC Servo Amplifier
Quadrants: 4
Nominal Current: 6A

For Brush-Commutated PMDC Motors. Up to 150 W.
This PWM four-quadrant PMDC DC servo amplifier is fully enclosed in a rugged aluminum case which can be panel mounted for easy integration. The drive is available in several configurations depending on your control requirements. The drive handles continuous currents up to 6 Amps and is protected against over-current, over-temperature and motor short-circuit.

Additional Product Details

SCA-S Technical Drawings


SCA-S Specifications

Model Numbers Power Supply Voltage
Aux Voltage
Continuous Current
Peak Current
Max Power
Frequency of
Power Output Stage
SCA-SE-30-06 11 - 30 - 6 - 150 with heatsink - 95
SCA-SS-30-06 11 - 30 - 6 - 150 with heatsink - 95

Control Inputs
Set Value ±10 VDC
Encoder input signals Channels (A, /A, B, /B, I, /I) / TTL / +5 to +24 VDC
Dir +8 to +30 VDC
Features Selected by Dip Switches
Set Value External / Internal
Tachometer On / Off
Voltage On / Off
I x R Comp On / Off
Torque Mode On / Off
Encoder On / Off [SCA-SE only]
Encoder Frequency On / Off [SCA-SE only]
Auxillary Voltage Sources ±.39 VDC / 20 mA
Auxillary Voltage Sources For Encoder +5 VDC / 100 mA [SCA-LE only]
Monitor I 0.75 Volts / A
Monitor n 10V at max speed
Fault Open Collector / Max. +30 VDC / 20 mA
LEDs Green = OK / Red = Fault
Function of Potentiometers Gain / Speed max / I max / IxR Comp / Offset
Mechanical Specs
Dimensions (L x W x H) inches / (mm) 4.76 x 3.94 x 1.57 / (121) x (100) x (40)
Weight in ounces / (grams) SCA-SE-30-03: 13.76 (390)
SCA-SS-30-03: 12.00 (340)
Operating Temperature (°C) -10 to +45
Storage Temperature (°C) -40 to +85
Humidity Range Not Condensing (% rH) 20% to 80% Relative, Non-condensing
Operation Mode
Operation Mode SCA-SE-30-03:
Speed control by encoder

Torque control
IxR Comp
Speed control by Tachometer
Speed control by voltage

SCA-S Accessories

Photo Model Number Description User Manual Technical Drawing
$photo ASO-BM-70-30 Breaking module in a rugged aluminum case. Consult Factory Download PDF
$photo ASX-RM-01-01 Aluminum DIN Rail Mounting Kit with L-shaped bracket for units:
- SCA-Lx
- SCA-Sx
- SCA-B4-70-10
- not used for SCA-SS-70-30
Consult Factory Download PDF
$photo IA210x Choke module optimized for brushless drives.
Inductance: IA2100 = 2x50uH; IA2101 = 2x100uH
Nominal current: 10A
Consult Factory Download PDF

SCA-S User Manuals

Model Number User Manual
SCA - SE - 30 - 06 Download PDF (Drive User Manual)
SCA - SS - 30 - 06 Download PDF (Drive User Manual)

ElectroCraft Rapid Delivery Program

Some versions of this product are available via ElectroCraft's Rapid Delivery Program. Lead times for these products are given in working days and stated below. Please note, these lead times may be exceeded during holiday periods or due to unforeseen circumstances. Always contact your local ElectroCraft representative for confirmation of availability.

Rapid delivery products are stocked in locations all over the World. If the product you require is not stocked in your region, you may request accelerated delivery from other areas. Please consult your local representative for more information.

Customers are responsible for all freight charges.

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Europe, the Middle East and Africa

Part Number Description Typical Lead Time
SCA-SS-70-10 4-Quadrant PMDC Motor Drive, +/- 10V Analog, 11-70VDC, 10A Nominal Current, 700w Max. 2 days


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