PSTB470-600-70 Schneider Electric Softstarter Overview
PSTB470-600-70 is a high-power softstarter for industrial motors.
It manages starting current and smooth motor ramp-up.
Compact design allows easy panel installation.
LEDs provide ready, protection, and fault signals.
Built-in electronic overload ensures safe operation.
Designed for 208–600 V AC main circuits.
Key Features and Advantages
- Model: PSTB470-600-70
- Manufacturer: Schneider Electric
- Main circuit current: 470 A
- Rated operational power: 250 kW at 400 V, 315 kW at 500 V
- Inside Delta power: 450 kW at 400 V, 600 kW at 500 V
- Step-down voltage control: 100% to 30%
- Current limit: 1.5–7×Ie
- Ramp time adjustable: 0–120 seconds
- Supports multiple starts per hour: 10 at 3.5×Ie
- LED indicators for ready (green), protection (yellow), fault (red)
- Bypass, run, and fault relays included
- Analog outputs: 0–10 V, 0–20 mA, 4–20 mA
Electrical and Control Specifications
- Control supply voltage: 100–250 V AC
- Control circuit: DC operation 24 V
- Frequency: 50/60 Hz
- Fieldbus plug for communication
- Main terminals: bars, hole 10.5 mm, 25×6 mm
- Control connection: rigid 1×2.5 mm² or 2×1.5 mm²
- Torque: main 35 N·m, control 0.5 N·m
- Electronic overload: built-in
- Starting capacity: 3×Ie for 15 s
Mechanical and Physical Data
- Dimensions: 366 × 460 × 361 mm (W×H×D)
- Weight: 31 kg net, 40 kg gross
- Package includes 1 unit
- Compact design for control panel mounting
- Robust enclosure for industrial use
Environmental and Compliance
- Ambient air temperature: 0–50°C operation, −25–70°C storage
- Degree of protection: IP00 main terminals
- RoHS compliant
- Conflict Minerals Reporting Template (CMRT) certified
- CE Declaration of Conformity
- WEEE Category: 5 Small Equipment
Installation and Usage Guidelines
- Mount inside ventilated control panel
- Connect main and control circuits with correct torque
- Set ramp time and initial voltage per motor specification
- Monitor LED signals for status checks
- Ensure proper bypass relay operation
Industrial Applications
- AC motor starting in heavy industry
- Pump and fan motor control
- Conveyor systems
- HVAC systems and compressors
- Integration with industrial automation systems
Professional FAQ
- How do I select the correct PSTB470 softstarter?
- Check motor voltage, current, and ramp time needs before selection.
- Can it handle high starting currents?
- Yes, supports 3×Ie for 15 seconds safely with electronic overload.
- What maintenance is required?
- Inspect terminals and LED indicators regularly; ensure panel ventilation.
- Is this suitable for 500 V motors?
- Yes, rated up to 500 V with 315 kW in-line and 600 kW delta connection.
- How do I configure step-down voltage ramp?
- Set initial and final voltage using the built-in adjustment from 30–100%.
Warranty and Shipping
- 12-month warranty included
- Ships worldwide via FedEx, UPS, DHL
- Professional industrial packaging
- Reliable tracking for all shipments
Contact and Support
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited.
https://www.oiltechcontrols.com/
All rights reserved.
Partner Powergear X Automation Limited
All rights reserved.










Reviews
There are no reviews yet.