Description
Functions:
Distinctive features:
- Built-in motor protections keep your motor safe
- Full-text LCD display in your own language makes installation and setup simple and quick
- Supports most communication protocols with the accessory FieldBusPlug
- Torque control improves control of pumps and prolongs equipment lifetime
- Bigger sizes feature built-in bypass which reduces energy consumption during application full speed
Distinctive features:
- Wide rated operational voltage 208–690 V AC
- Wide rated control supply voltage 100–250 V, 50/60 Hz
- Rated operational current 30 to 1050 A (Up to 1810 A inside delta)
- Both in line and inside delta connection
- Coated circuit boards available, for reliable operation even in harsh environments
- Full text display in 14 languages and 4 button keypad for easy setup and operation
- Optional external keypad, IP66
- Built-in by-pass contactor on PSTB (from 370 A) for energy saving and easy installation
- Prepared for external by-pass on PST (30–300 A)
- Torque control for excellent control of pumps
- Current limit, adjustable between 1.5–7 x Ie
- Fieldbus communication using Profibus, Modbus, Devicenet or CANopen
- Dual motor overload protection with classes 10A, 10, 20 and 30
- Adaptable motor underload protection to detect pumps running dry
- Adaptable locked rotor protection to detect jammed pumps
- PTC protection to protect the motor from overheating
- Adjustable kick start to start jammed pumps
- Programmable output signal relays
- Programmable pre-warning functions
- Event log with time stamp
- Analog output showing current, voltage, power factor etc. 0–10 V, 0–20 mA, 4–20 mA
Additional links:
| Manufacturer: | ABB |
| Series: | PST |
| Model: | PST72-690-70 |
| Application: | pumps / fans / lifts / general purpose |
| Capacity, kW: | 37 |
| Current, А: | 72 |
| Main power supply, V: | 400-690 |
| Phase: | 3 |
| Output frequency, Hz: | 50/60 |
| Enclosure: | IP 10 |
| Acceleration time, sec: | 1-30 |
| Deceleration time, sec: | 1-120 |
| Operation temperature, °С: | 0......+50 |
| Max. switching cycle per hour: | 30 |
| Starting current, % of rated current: | 300 |
| Integrated bypass relay: | - |
| Control type: | Digital |
| Microprocessor supply voltage: | 100.....250V |
| Motor protection (thermal model): | + |
| Motor protection (input for thermistor/thermal relay): | + |
| Motor protection (low current) : | - |
| Motor protection (momentary motor overload): | + |
| Motor protection (Others): | + |
| JOG mode: | + |
| DC braking: | - |
| Inputs/Outputs: | Built-in power supply 24 V DC, inputs start/stop, two additional programmable inputs, a thermistor input, analog output, 3 relay outputs |
| Separately adjustable parameters: | 10 |
| Mounting: | Circuit board |
| Options: | External keyboard |
