Soft Starter

Soft starter is an effective and economical solution that can guarantee stable operation of motor. With LS's extensive experience and expertise, we provide a way to improve operational effectiveness and minimize energy cost.

 

Feature

- Easy Operation & Control

- Motor Protection

- Built-in bypass

- Compact Design, Easy to integrate

- Timed Voltage Ramp System

- Convenient Status and Trip Check with LED Indicator

 ㆍLV SSC Series (Economic): 200~575Vac 18~200A

 ㆍLV SSM Series (Standard): 200~690Vac 24~1250A

 ㆍLV SSH Series (High Voltage): 2.3~13.8kVac 70~1700A

model	Soft Start	Motor Protection	Advanced Interface	Internal Bypass	Current Range	Voltage Range
SSCe	●			●	~200 A	~575 VAC
SSCi	●	●		●	~200 A	~575 VAC
SSM□	●	●	●	●	~1250 A	~690 VAC
SSH	●	●	●	●	~1700 A	~15kV

 

Specifications

SSC Series

Items	Specifications
Main Supply	Main Voltage (L1, L2, L3) - SSC□-□□□-V4 - SSC□-□□□-V6	200~440VAC (+10/-15%) 200~575VAC (+10/-15%)
	Main Frequency (at start)	45 to 66 Hz
	Rated Insulation Voltage	600VAC
	Form Designation	Bypassed, Semiconductor Motor Starter form 1
Control Voltage (A1, A2, A3)	SSC□-□□□-□□-C1	110~240VAC (+10%/-15%)
	SSC□-□□□-□□-C1	380~440VAC (+10%/-15%)
	SSC□-□□□-□□-C2	24VAC/VDC((±20%)
	Current Consumption (During Run)	< 100mA
	Current Consumption (Inrush) - SSC□-□□□-□□-C1 - SSC□-□□□-□□-C2	10A 2A
Inputs	Start (Terminal 01)	Normally open (150kΩ@300VAC and 5.6kΩ@24VAC/VDC)
	Stop (Terminal 02)	Normally Closed (150kΩ@300VAC and 5.6kΩ@24VAC/VDC)
Outputs	Main Contactor (Terminals 13,14)	Normally Open (6A, 30VDC / 6A, 250VAC Resistive)
	Programmable Relay (Terminals 23,24)	Normally Open (6A, 30VDC / 6A, 250VAC Resistive)
Environmental	Degree of Protection SSC□-018 to SSC□-060	IP20
	Degree of Protection SSC□-075 to SSC□-200	IP00
	Operating Temperature	-10°C to +60°C
	Storage Temperature	-25°C~60°C (to +70°C for Less than 24 Hours)
	Humidity	5%~95% Relative Humidity
	Pollution Degree	Pollution Degree 3
	Vibration	IEC 60068 Test Fc Sinusoidal 4Hz to 13.2Hz : ±1mm Displacement 13.2Hz to 200Hz : ±0.7g
EMC Emission	Equipment Class (EMC)	Class B
	Conducted Radio Frequency Emission	0.15MHz to 0.5MHZ: <56~46dB (uV) 0.5MHz to 5MHz: <46dB (uV) 5MHz to 30MHz: <50dB (uV)
	Radiated Radio Frequency Emission	30MHz to 230MHz: <30dB (uV)
EEMC Immunity	Electrostatic Discharge	4kV Contact, 8kV are Discharge
	Radio Frequency Electromagnetic Field	0.15MHz to 1000MHz: 140dB(uV)
	Rated Impulse Withstand Voltage (Fast Transients 5/50ns)	2kV Line to Earth, 1kV Line to Line
	Voltage Dip and Short Time Interruption	100ms (at 40% Nominal Voltage)
	Harmonics and Distortion	IEC 61000-2-4 (Class 3), EN/IEC61800-3
Short Circuit	Rated Short-circuit Current SSC□-018 to 060	5KA*
	Rated Short-circuit Current SSC□-075 to 200	10KA*
Heat Dissipation	During Start	3 watts / Ampere
	During Run	10 Watts Typical
Operational Life	SSC□-018 to 060	1,000,000 Operations
	SSC□-075 to 200	30,000 Operations

* These short circuit rating are with fuses used as given in the table under ‘Semiconductor Fuses’ section on manual.

 

SSM Series

Items	Specifications
Supply	Main Voltage (L1, L2, L3) - SSM□-□□□B-V5 - SSM□-□□□B-V7	200~525VAC (±10%) 380~690VAC (±10%)
	Control Voltage (A1, A2, A3) - SSM□-□□□B-□□-C1 (A1, A2) - SSM□-□□□B-□□-C1 (A2, A3) - SSM□-□□□B-□□-C2 (A1, A2)	110~120VAC (+10%/-15%), 600mA 220~240VAC (+10%/-15%), 600mA 24VAC/VDC((±20%), 2.8A
	Main Frequency	50~60Hz (±5Hz)
	Rated Insulation Voltage to Earth	600VAC
	Rated Impulse Withstand Voltage	6KV
	Form Designation	Bypassed or Continuous, Semiconductor Motor Starter form 1
Short Circuit Capability	Coordination with Semiconductor Fuses	Type 2
	Coordination with HRC Fuses	Type 1
Electromagnetic Capability (Compliant with EU Directive 2014/35/EU)	EMC Immunity	IEC 60947-4-2
	EMC Emissions	NIEC 60947-4-2 Class B
Inputs	Input Rating	Active 24VDC, 8mA Approx.
	Motor Thermistor (B4, B5)	Trip>3.6kΩ, reset<1.6kΩ< /td>
Outputs	Relay Outputs - Main Contactor (33, 34) - Relay Output A (41, 42, 44) - Relay Output B (53, 54)	10A@250VAC Resistive, 5A@250VAC AC15 pf 0.3 Normally Open Changeover Normally Open
	Analog Output (21, 22) - Maximum Load - Accuracy	600Ω (12VDC@20mA) ±5%
Environmental	Operating Temperature	-10°C~60°C, Above 40°C with Derating
	Storage Temperature	-25~+60°C
	Operating Altitude	0~1000m, Above 1000m with Derating
	Humidity	5%~95% Relative Humidity
	Pollution Degree	Pollution Degree 3
	Vibration	IEC 60068-2-6
	Protection - SSM□-0024B ~ 0135B - SSM□-0184B ~ 1250B	P20 IP00
Heat Dissipation	During Start	4.5 Watts per Ampere
	During Run - SSM□-0024B ~ 0052B - SSM□-0064B ~ 0135B - SSM□-0184B ~ 0250B - SSM□-0352B ~ 0580B - SSM□-0835B ~ 1250B	≤ 35 Watts Approx ≤ 50 Watts Approx ≤ 120 Watts Approx ≤ 140 Watts Approx ≤ 180 Watts Approx
Motor Overload Protection	Default	The Default Settings of Parameters 1D, 1E and 1F Provide Motor Overload
	Protection	Class 10, Trip Current 105% of FLA (Full Load Amperage) or Equivalent.
Operational Life	Operational Life	100,000 Operations

 

SSH Series

 

Panel Rating

Items	Specifications
Rated Voltage	3.6kV - 17.5kV
Rated Busbar Current	Up to 2000A
Rated short time withstand current / Peak	Up to 50kA, 3 sec / 125kA
Internal arc Fault IAC Classification	Up to AFLR 50kA, 1 sec
Partition Classification	PM /PI
Loss of Service Continuity	LSC1 / LSC2 / LSC2B
IP4X protection rating	IP4X (IP54 Option)
Altitude	< 1000m (without Reduced Capacity)
Ambient Temperature	-10℃ - 60℃ (Reduced Capacity when Over 50°C)
Basic Panel Color	RAL7035 (Additional Option)

 

Techincal Data

Items	Specifications
Motor Voltage	2.3-13.8 kV
Control Voltage	85-264 VAC or 90-350 VDC
Frequency	45/66 Hz (Autotrigger)
Soft Starter Current	70 A - 1700 A
Starting Time (max)	1sec – 30sec (180sec)
Ambient Temperature	-10°C ~ 60°C (Reduced Capacity when Exceeding 50°C)
Maximal Altitude	1000m (Reduced Capacity when Exceeding 1000m)
IP (Module type)	IP00
IP (Controller)	Up to IP54/NEMA12
Overload Capacity	Up to 600% for 120sec
PT Type	EPT Type
CT Type	High-voltage CT (Primary Current Based on the Motor; secondary 1A)
MV/LV Separation	100% Optical Cable Connection
Digital Input	3 Fixed Values (Start, Stop and Reset) 2 Settable Values (A and B)
Relay Output	4 Fixed Values (Line, Bypass, PFC and PAPS) 3 Settable Values (A, B and C)
Analog Output	1 Analog Output (4-20mA)
Fieldbus Communication	Modbus RTU, Modbus TCP, Profibus, Profinet, DeviceNet, Ethernet/IP, USB, IEC61850