Discontinued Series

(Call Microcon for Stock Availability and or replacement)

 

Commander SK   (Legacy Product)Energy Saving Technology

Typical Applications

Control

  • Open loop vector control
  • Speed or torque control
  • Speed reference input: 0-10V, 0-20mA, 4-20mA, (-10 to +10V SM-I/O Lite option)
  • 4 digital inputs- World (enable, run forward, run reverse, local/remote)- USA (not stop, run, jog, local/remote)
  • Switching frequency: 3 (default) 6 12 18 kHz
  • Output frequency 0 to 1500Hz
  • Accel and Decel ramps (linear and S type)
  • Positive logic control
  • Serial communication - Modbus RTU RS485 via RJ45 connector- Baud rate 4800, 9600, 19200or 38400 bits per second
  • DC injection braking as standard
  • Dynamic braking transistor as standard
  • Dynamic motor flux V/Hz for energy saving
  • Quadratic motor flux V/Hz for fan and pump optimization

Protection

Under voltage, Supply and DC Link overvoltage, Phase loss, Drive overload, Instantaneous over current, Short circuit, Ground fault, Drive thermal, Watchdog, Motor thermal

General Characteristics

  • Maximum overload 150% of rated current for 60s
  • Intelligent Thermal Management (ITM) optimizes switching frequency
  • 8 preset speeds
  • Flying start
  • Mains dip ride through
  • Automatic no-spin auto tune for fast performance optimization
  • Keypad access to all parameters for more demanding set-ups

Environment

  • P20
  • NEMA 1 rating with optional cover
  • Ambient temperature -10 to +40C @ 3kHz switching
  • Humidity 95% maximum (non-condensing)
  • Electromagnetic Immunity complies with EN61800-3 and EN61000-6-3 and 4
  • Electromagnetic Emissions complies with EN61800-3 (second environment) as standard. Complies with EN61000-6-3 (residential) and EN61000-6-4 (industrial) generic standards with optional footprint EMC filter
 

SK Selection

 
Typical Motor
Power
100%
continuous
output Current
(A)
150% overload
current for 60s
(A)
Order Code
Size
Supply Voltage and
Frequency
(kW)
(hp)
SKA 1200025
A
200 to 240 Vac
10%
1 phase
0.25
0.3
1.7
2.55
SKA 1200037
0.37
0.5
2.2
3.3
SKA 1200055
0.55
0.75
3.0
4.5
SKA 1200075
0.75
1
4.0
5.0
 
SKB D200110
B
200 to 240 Vac
10%
1/3 phase
1.10
1.5
5.2
7.8
SKB D200150
1.50
2.0
7.0
10.5
SKC D200220
C
2.20
3.0
9.6
14.4

 

 
Typical Motor
Power
100%
continuous
output Current
(A)
150% overload
current for 60s
(A)
Order Code
Size
Supply Voltage and
Frequency
(kW)
(hp)
SKB 3400037
B
380 to 480 Vac
10%
3 phase
0.37
0.5
1.3
1.95
SKB 3400055
0.55
0.75
1.7
2.55
SKB 3400075
0.75
1
2.1
3.15
SKB 3400110
1.1
1.5
2.8
4.2
SKB 3400150
1.5
2
3.8
5.7
SKC 3400220
C
2.2
3
5.1
7.6
SKC 3400300
3.0
4
7.2
10.8
SKC 3400400
4.0
5
9.0
13.5
 
 

Dimensions
Drive
size
w
h
d
mm
in
mm
in
mm
in
A
75
2.95
140
5.5
145
5.71
B
85
3.35
190
7.48
156
6.14
C
100
3.93
240
9.45
173
6.81

 

Cables

The table below is only a guide; refer to local wiring regulations for correct size of cables. In some cases, a larger cable size is required to avoid excessive voltage drop.

Use 105C (221F) (UL 60/75C temp rise) PVC-insulated cable with copper conductors having a suitable voltage rating, for the following power connectors:

  • AC supply to external EMC filter (when used)
  • AC supply (or external EMC filter) to drive
  • Drive to motor
  • Drive to braking resistor Motor cables The recommended output cable sizes assume that the motor maximum current matches that of the drive. Where a motor of reduced rating is used, programmed with the correct motor rated voltage.

Fuses

The AC supply to the drive must be fitted with suitable protection against overload and short circuits. Tables below show the recommended fuse ratings. Failure to observe this requirement will cause risk of fire.

A fuse or other protection device must be included in all live connectors to the AC supply.

An MCB (miniature circuit breaker) or MCCB (molded case circuit breaker) with type C tripping characteristics maybe used in place of fuses as long as the fault clearing capacity is sufficient for the installation.

Fuse types
Europe: Type G HRC fuses complying with EN60269 parts1 and 2 (BS88)
USA: Bussman Limitron KTK series, class CC fast acting

 

Model
SKA12
SKBD2
SKCD2
00025
00037
00055
00075
00110
00150
00220
1ph
3ph
1ph
3ph
1ph
3ph
Recommended input
supply fuse (A)
6
10
16
20
16
25
16
32
20
Control cable (mm2)
≥0.5
≥0.5
(AWG)
20
20
Recommended input
cable (mm2)
1.0
1.5
2.5
1.5
2.5
1.5
4.0
2.5
(AWG)
16
14
12
14
12
14
10
12
Recommended motor
cable (mm2)
1.0
1.0
1.5
(AWG)
16
16
14
Recommended brake
resistor cable (mm2)
1.0
1.0
1.5
(AWG)
16
16
14
Model
SKB34
SKC34
00037
00055
00075
00110
00150
00110
00150
00400
Recommended input
supply fuse (A)
TBA
TBA
10
16
20
Control cable (mm2)
≥0.5
≥0.5
(AWG)
20
20
Recommended input
cable (mm2)
1.0
1.5
2.5
(AWG)
16
14
12
Recommended motor
cable (mm2)
1.0
1.0
1.5
(AWG)
16
16
14
Recommended brake
resistor cable (mm2)
1.5
1.5
(AWG)
14
14
 

Standards

The drive conforms to the following standards.

 
Standard
Level/Class
Transport temperature cycle
IEC68-2-14
-40 - +30C
5 cycles
Storage humidity
IEC68-2-56
93%, 40C
4 days
Storage Condensation
IEC68-2-30
Humidity cycle
Bump (shock) test
IEC68-2-29
18g, 6ms,
100 times/direction
for all 6 directions
Random vibration
IEC68-2-64 & IEC68-2-36
0.01g2/Hz 5-20Hz
-3dB/octave
20-200Hz
30 min per axis, 3 axes
Free fall test, packaged
IEC68-2-32
to
Impact test for operator-accessible parts (impact hammer test) - could also apply to parts subject to rough treatment during installation or commissioning, e.g. keypad, terminal area & cover
clause 8.2 of EN61010-1
0.5j
Robustness of terminals
EN60947
UL1059
UL486
UL508C
Swept sinusoidal vibration test
IEC68-2-6
3.5mm 2 9Hz
10m/s2 9 200Hz
15m/s2 200-500Hz
Note: environmental tests are derived from ETSI EN 300 019-2-2 1999 for public transportation

Safety

The drive is designed to meet the following standards.

 
Standard
Level/Class
Europe:    
To comply with Low Voltage Directive 73/23/EEC by creating a technical File following CT design procedure.
See note 1
-
US:
Basic safety
UL508C
-
Enclosure category NEMA 1
See note 2
-
International:
Ingress
IEC60529
IP20

NOTE 1 The safety file procedure applies the EN61800-5-1 (IEC61800-5-1) standard (Electrical and thermal requirements, electrical adjustable speed drive systems)

NOTE 2 The drives require an optional top cover kit to meet the NEMA 1 requirements. Any operator-accessible parts will conform to EN61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use). European installers will apply EN60204-1 to their control panels, so the drive design will be compatible with EN60204-1 (Safety of machinery - electrical equipment of machines).

cUL approval CE approval C-Tick approval ISO 14001 approval ISO 9001:2000 approval
GOST approval - Russia CCC approval China Energy Savings Technology 2 Year Warranty 5 Year Extended Warranty

Commander SK Parts List


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