The Siemens 3RA9111-1BT45 is a kit purpose-built for the Frieters FRI.99510250 star-delta (Stern-Dreieck) motor starter, covering the 5.5-7.5kW power band with a current range of 7-10A. This is a field-assembly kit, not a standalone contactor or overload — it packages the components needed to complete a specific starter configuration on that Frieters base unit.
Siemens 3RA9111-1BT45 Kit for Frieters Star-Delta Starter
MPN3RA9111-1BT45
Siemens 3RA9111-1BT45 kit for Frieters FRI.99510250 star-delta motor starter, 5.5-7.5kW, 7-10A, current lifecycle stage.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
Frequently asked questions
Does the 3RA9111-1BT45 include a contactor and overload relay?
The 3RA9111-1BT45 is a kit for the Frieters FRI.99510250 star-delta starter, meaning it packages the contactor set and interlocking components for that specific base unit. It is not a standalone contactor or overload relay — it completes the starter assembly on the Frieters base.
MPN
3RA9111-1BT45