Iskra overload relays are selected together with the motor contactor and the motor rated current. They provide overload protection; the required short-circuit protection must be provided by the specified fuse or other coordinated protective device.
Selection by contactor series
| For contactor | Overload relay |
|---|---|
| K03…, K07… | BR6 |
| KNL6–KNL18 | BR16 (German) |
| KNL22, KNL30 | BR30 — please enquire |
| KNL43, KNL63 | BR63 — please enquire |
| KNL95–KNL630 | BRA180 + BRA400 — please enquire |
Selection criteria
Check the setting range against the motor nameplate current and confirm compatibility with the exact contactor. Also check the operational voltage, auxiliary contact ratings, reset and test functions, and the specified short-circuit protective device and coordination type.
The BR16 detail page is currently in German. Its source description states a maximum current of 16 A, while the published setting-range table ends at 14 A. Please confirm the required BR16 range with Appel.
Contact Appel with the type designation and application details for product selection.