PSTB570-600-70 Industrial Soft Starter Overview
PSTB570-600-70 from ABB is a high-capacity soft starter for heavy motors. It controls start and stop smoothly. The device protects motors from high inrush current. It supports industrial systems with voltage up to 600V. The design improves motor life and reduces mechanical stress.
Main Advantages and Product Highlights
- Model: PSTB570-600-70 high power soft starter
- Rated current up to 570 A
- Supports large motors up to 700 kW
- Soft start reduces mechanical shock
- Integrated electronic overload protection
- Adjustable ramp start and stop control
- Supports inside delta connection mode
- Built-in bypass improves efficiency
- LED indicators show device status
- Analog outputs allow system monitoring
Core Electrical Specifications
- Brand: ABB
- Model Number: PSTB570-600-70
- Main Circuit Voltage: 208 – 600 V AC
- Control Voltage: 24 V DC
- Control Supply Range: 110 – 240 V AC
- Rated Frequency: 50 / 60 Hz
- Rated Operational Current: 570 A
- Maximum Starting Capacity: 3 × Ie for 15 seconds
- Service Factor: 115 %
- Maximum Starts Per Hour: 10
Motor Power Capability
- 315 kW motor power at 400 V
- 400 kW motor power at 500 V
- 540 kW power inside delta at 400 V
- 700 kW power inside delta at 500 V
- Inside delta current capacity up to 987 A
- Optimized motor start for heavy loads
Motor Control Functions
- Ramp start time adjustable from 0 to 120 seconds
- Initial start voltage adjustable from 30% to 70%
- Special ramp down voltage from 100% to 30%
- Current limit range from 1.5 to 7 × rated current
- Bypass relay signal output
- Run signal relay output
- Fault relay output for alarms
- Overload signal relay output
Monitoring and Communication
- FieldBusPlug communication interface
- Analog outputs for system monitoring
- 0–10 V signal output
- 0–20 mA output
- 4–20 mA industrial control signal
- Remote monitoring supported
Status Indicators
- Green LED indicates ready or standby mode
- Yellow LED indicates protection state
- Red LED indicates system fault
- Clear visual status monitoring
Mechanical Structure and Size
- Width: 436 mm
- Height: 515 mm
- Depth: 381 mm
- Weight: 52 kg
- Industrial grade power terminal bars
- Large terminal capacity for high current
Installation and Wiring Information
- Main circuit uses bar terminals
- Connection hole diameter 12.5 mm
- Terminal bar size 40 × 6 mm
- Control wire capacity 2.5 mm²
- Main circuit torque 45 Nm
- Control circuit torque 0.5 Nm
Environmental Conditions
- Operating temperature 0°C to 50°C
- Storage temperature −25°C to 70°C
- Designed for industrial environments
- Stable operation under heavy loads
Protection and Safety Features
- Integrated electronic overload protection
- Motor thermal protection monitoring
- Current limiting during startup
- Fault signal relay output
- Reliable motor protection system
Typical Industrial Applications
- Large pump control systems
- Industrial compressor drives
- Mining equipment motors
- Water treatment plant motors
- HVAC large fan systems
- Heavy conveyor motor control
Package Contents
- 1 × ABB PSTB570-600-70 soft starter
- Original industrial protective packaging
- Product identification label
- Quality inspection documentation
Warranty and Shipping
- Standard 12-month warranty
- All products tested before shipment
- Global express delivery available
- Shipping partners: FedEx, UPS, DHL
- Professional export packing protection
Professional FAQ
- How do I choose the correct soft starter size?
- Select based on motor rated current and starting load conditions.
- Can PSTB570-600-70 be used with large pump motors?
- Yes. It works well with pumps, compressors, and large fans.
- What is the advantage of inside delta connection?
- It allows higher motor power with lower current through the starter.
- How does the current limit function help motors?
- It prevents high starting current and protects power systems.
- What should engineers check before installation?
- Verify motor power, voltage level, wiring torque, and cooling space.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
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