PRODUCT DESCRIPTION
ASEA BROWN BOVERI PSR85-600-70 - Three-Phase Softstarter
The ABB PSR series softstarter provides controlled soft starting and stopping for three-phase asynchronous motors. This device utilizes solid-state thyristor control to manage voltage ramp-up and ramp-down, effectively reducing inrush current and mechanical stress on connected machinery. It is engineered for integration into industrial control systems for applications such as pumps, fans, compressors, and conveyors, where smooth motor operation is critical.
Technical Specifications:
- SERIES/FAMILY: PSR Softstarter
- COMPONENT TYPE: Three-Phase Softstarter
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL CURRENT (Ie): 85 A
- MAXIMUM OPERATIONAL VOLTAGE (Ue): 600 VAC
- CONTROL SUPPLY VOLTAGE (Us): 24 VAC/VDC
- PHASE: 3-Phase
- FREQUENCY: 50/60 Hz
- TYPICAL MOTOR POWER RATING (at 400V): 45 kW
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, enclosed unit
- SHAFT TYPE: Not applicable (electrical component)
- FRAME SIZE: Not applicable (electrical component)
- INTERFACE/CONTROL:
- CONTROL INPUTS: Digital inputs for Run/Stop, Reset
- OUTPUTS: Relay outputs for Run, Top of Ramp, Fault indication
- FEEDBACK: Status indication via relay outputs
- COMMUNICATION PROTOCOL: Hardwired control (no integrated fieldbus)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminal protection)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN-rail or screw mounting
- OPERATING TEMPERATURE RANGE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: Standard three-phase asynchronous (induction) motors
- TARGET APPLICATIONS: Pumps, fans, compressors, mixers, conveyors, and other constant-speed applications requiring reduced starting current and mechanical shock.