What this reversing starter is and where it fits
The Siemens SIRIUS 3RK1315-6LS41-1AA5 is a reversing motor starter — a single enclosure that combines a reversing contactor, overload relay, and control logic for forward/reverse motor control. It's designed for direct-on-line reversing of three-phase motors up to 5.5 kW at 400 V (7.5 hp at 460/480 V, 10 hp at 575/600 V), with a Trip Class 10 overload curve that protects standard induction motors during start-up. The IP65 rating means the housing is dust-tight and protected against low-pressure water jets, so it can be mounted directly on the machine frame or in a washdown zone without an additional enclosure.
AS-Interface integration and control voltage
This starter communicates over AS-Interface (the protocol is confirmed,), with device addressing via an M12 plug. The control supply is 24 V DC nominal, with a permissible range of 20.4 to 28.8 V DC. It includes 4 digital inputs for local pushbuttons or limit switches. The main power connection uses a HAN Q4/2 plug per ISO 23570, so panel builders should plan for that connector footprint rather than hardwiring directly.
Mounting and environmental limits
Mounting is via screw fixing in any orientation — vertical, horizontal, or flat. The recommended mounting position is horizontal. Operating temperature range is -25 to +55 °C; storage and transport range is -40 to +70 °C. Shock resistance is 12g for 11 ms, and vibration resistance is 7 mm / 2g. These ratings make it suitable for machine-mounted applications with moderate vibration, such as conveyors or small hoists.