PSR37-600-70: motor-start current and feeder coordination
ABB PSR37-600-70 is a PSR-family softstarter with 37 A current and an 18.5 kW IEC motor-power reference at 400 V. The catalog identifies order code 1SFA896110R7000; the PSR family includes an internal bypass contactor.
Technical data for identification
| Technical item | Verified value / selection note |
|---|---|
| Type designation | PSR37-600-70 |
| ABB order code | 1SFA896110R7000 |
| Rated operational current | 37 A |
| IEC motor power at 400 V | 18.5 kW reference |
| Main voltage class | Up to 600 V AC model family; verify supply |
| Bypass | Built-in bypass in PSR family |
| Motor duty | Verify starts per hour and acceleration time |
For a drive or softstarter, compare the motor nameplate, overload profile, upstream protection, cabling, heat rejection and stop category with the actual machine. The installation drawing and the fitted option codes govern the final selection.
Commissioning sequence
For PSR37-600-70, establish a safe starting state, inspect the installed hardware, test the normal operating path and then verify the fault or recovery path before handover.
Field checks and acceptance
Commissioning of PSR37-600-70 should follow a controlled procedure. Wire line and motor terminals with the circuit isolated and correct protective bonding. During commissioning, set start and stop ramps, watch current and motor temperature, and prove bypass, fault indication and restart behavior under the approved procedure.
Capture the as-left settings, test points, abnormal-state response and revision of PSR37-600-70. Include photographs of its nameplate and terminal arrangement so the next service event can be traced.
Order-code and compatibility review
For PSR37-600-70, Coordinate the unit with upstream short-circuit protection and a suitable motor-overload strategy using ABB's combination tables. Confirm control-supply version, bypass operation, line contactor arrangement and ambient derating before selecting accessories.
Before substituting PSR37-600-70, compare the complete label with the engineering drawing, ABB configuration data, installed accessories and site approval record. A partial designation or a similar enclosure cannot establish interchangeability.
Where this configuration fits
PSR37-600-70 should be assessed in the actual equipment arrangement. Apply a softstarter when managed acceleration and deceleration are needed without continuous variable-speed operation. Check motor starting current, load inertia, ramp duration, cycle frequency and how the process should react to a stalled or interrupted start.
A request for PSR37-600-70 should identify the host system, process or motor duty, available supply and the expected normal and fault behavior. This makes the selection review specific to the installed equipment.
Related configuration references
The following PSR37-600-70 family references are identification aids. Ratings, options and approvals can differ; each complete designation needs its own review.
- 1SFA896110R7000
- 1SFA896110R7000 18.5KW
- PSR37-600-70 1SFA896110R7000
Information to send with a replacement inquiry
Provide the exact model PSR37-600-70, quantity, serial or revision, application conditions, required connection and approval, and a legible nameplate photograph. Ask for confirmation of accessories and any approved successor.
Keep PSR37-600-70 in the asset register and maintenance record as the exact search phrase. Record who approved the selected device, what was tested and whether the installed configuration differs from the base family specification.
Final engineering decision
Approve PSR37-600-70 only when the verified ratings and ordered options match the equipment record. Resolve every discrepancy in code, connection, supply, firmware or process limit before energizing the system.
The published family values for PSR37-600-70 support identification and initial selection. The device nameplate, matching ABB instructions and the site's approved design determine final suitability.
