PSTB720-600-70 ABB | Heavy-Duty Motor Controller
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ABB PSTB720-600-70 Soft Starter, 720 A, 208-600V AC
Manage the smooth start of your largest industrial motors. The ABB PSTB720-600-70 is a high-performance 720 Amp soft starter built for demanding applications. It significantly reduces starting current and mechanical stress on equipment like large pumps, compressors, and fans. With a robust design for 208-600V AC systems and advanced control features, it ensures reliable and efficient motor operation.
Complete Technical Specifications
| Brand | ABB |
| Series / Main Type | PSTB |
| Full Model Number | PSTB720-600-70 |
| Rated Operational Current (Ie) | 720 A (In-Line Connection) |
| Rated Operational Voltage | 208 ... 600 V AC |
| Rated Power (at 400V) | 400 kW (In-Line) / 710 kW (Inside Delta) |
| Control Supply Voltage (Us) | 100 ... 250 V AC |
| Control Voltage (Uc) | 24 V DC |
| Starting Capacity | 3 x Ie for 15 seconds |
| Max Starts Per Hour | 10 (at 3.5xIe) |
| Communication | FieldBusPlug (Standard) |
| Operating Temperature | 0°C to +50°C |
| Main Terminal Connection | Bars (40x6 mm), Torque: 45 N·m |
Installation & Wiring Guide
Install this heavy-duty soft starter in a suitable electrical enclosure with adequate cooling, ensuring the ambient temperature does not exceed 50°C. Connect the main power cables to the terminal bars using the specified 45 N·m tightening torque. Wire the control supply (100-250V AC or 24V DC). Configure motor start profiles (ramp, voltage, current limit) using the unit's interface or via the FieldBus connection. For inside-delta wiring, use the internal switch.
System Compatibility
Designed for heavy-duty three-phase AC induction motors in industrial settings. Supports standard In-Line wiring and high-current Inside Delta configuration for increased capacity. The FieldBusPlug facilitates integration into modern industrial control networks.
Certifications & Compliance
This product is CE marked, complies with RoHS directives, and is designed to meet international standards including IEC 60947.
Package Contents & Warranty
- One (1) ABB PSTB720-600-70 Soft Starter Unit.
- This product is covered by a standard 12-month warranty from ABB.
Shipping Information
This item is shipped securely in its original packaging (Dimensions: 500x600x460 mm, Weight: ~67 kg). We deliver worldwide via FedEx, UPS, and DHL with full tracking.
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Contact: sales@ubestplc.com | Phone: +86180 3000 5825