ST300-GS3I IP20 Three Phase Soft Starter Cabinet 380V 11-600kW with Online Monitoring

Price Negotiable

Price: Negotiate

MOQ: 1pcs

Delivery Time: 3-8days

Brand: ZUN

Product Description

ST300-GS3I Online Soft Starter Cabinet

Advanced three-phase soft starter with integrated motor protection and online monitoring capabilities for industrial applications.

Product Overview

The ST300-GS3I online soft starter cabinet represents the latest generation of motor control technology, offering comprehensive functionality with simplified operation. This innovative design eliminates the need for traditional bypass configurations, providing an economical and practical solution for various industrial applications.

Key Features

Integrated soft starter and motor protection with 3 input/3 output design
Reduces motor starting current and power distribution investment costs
Minimizes mechanical stress to extend equipment service life
No secondary wiring required with multiple protection functions
LCD display with Chinese and English interface for easy operation
Compatible with various communication protocols
Fully digital control system with multiple starting modes
Micro control unit with fuzzy control and current zero-point separation technology
Strong load adaptability and EMC capability with high reliability
Wide voltage input tolerance (±15%)

Motor Protection Features

Built-in MCCB with short circuit protection
Interval delay starting to prevent frequent starts
Input and output phase missing protection
Online running monitoring capability

Technical Specifications

Parameter	Specification
Three-phase Power Supply	AC380V, 440V, 690V
Power Range	11kW to 600kW
Input Voltage	Three-phase 380V/690V AC
Frequency	50/60Hz
Adaptive Motor	Squirrel-cage three-phase asynchronous motor
Starting Times	Maximum 20 times per hour
Control Modes	8 different control configurations including panel, external, and COM control
Start Modes	6 modes including current-limiting, voltage ramp, torque control, and double closed-loop
Stop Modes	Soft stop and free stop
Protection Class	IP20
Cooling Pattern	Natural wind cooling
Operating Temperature	-30°C to +55°C
Humidity	≤90%RH without dew condensation
Altitude	Below 1000M (derating required above 1000M)

Model Selection Guide

Model	Voltage (V)	Power (kW)	Current (A)	Weight (kg)	Dimensions W×H×D (mm)
ST300-GS31-015	380	15	30	6	150×310×197
ST300-GS31-018	380	18	37	6	150×310×197
ST300-GS31-022	380	22	44	6	150×310×197
ST300-GS31-030	380	30	60	6	150×310×197
ST300-GS31-037	380	37	75	6	150×310×197
ST300-GS31-045	380	45	90	7	150×310×197
ST300-GS31-055	380	55	110	7	150×310×197
ST300-GS31-075	380	75	150	12	210×370×330
ST300-GS31-090	380	90	180	12	210×370×330
ST300-GS31-115	380	115	230	12	210×370×330
ST300-GS31-132	380	132	264	25	408×505×244
ST300-GS31-160	380	160	320	25	408×505×244
ST300-GS31-200	380	200	400	25	408×505×244
ST300-GS31-250	380	250	500	40	473×606×263
ST300-GS31-280	380	280	560	40	473×606×263
ST300-GS31-315	380	315	630	40	473×606×263
ST300-GS31-355	380	355	710	40	473×606×263
ST300-GS31-400	380	400	800	70	647×785×330
ST300-GS31-450	380	450	900	70	647×785×330
ST300-GS31-500	380	500	1000	70	647×785×330
ST300-GS31-600	380	600	1200	70	647×785×330