The Siemens 4EM5316-6CB00 is a single-phase commutating choke (line reactor) designed for converter front-ends. It's rated for 45 A continuous (50 A max) at 400 V AC, 50 Hz, with an inductance of 0.97 mH and a relative inductive voltage drop of 4% at rated current. This is an IP00 component — no enclosure protection — so it's intended for installation inside a panel or cabinet where the environment is controlled. The 0.168 m height, 0.151 m width, and 0.139 m depth footprint needs to be accounted for in the panel layout. Power loss splits between the coil (28 W) and the iron core (52 W), totaling 80 W of heat to dissipate at full load. Thermal class B per IEC 60085 means the insulation system is rated for a 130 °C maximum hot-spot temperature, with a 40 °C ambient rating.
Sourcing & Lifecycle
The 4EM5316-6CB00 carries a mature lifecycle status from Siemens — it's an established catalog item, not newly introduced and not flagged for phase-out. Availability is confirmed at time of quote through independent distribution channels. For BOM planning, this part is sourced to order against an RFQ. There is no official successor order code listed; the mature status suggests ongoing production support without an imminent last-time-buy window.
Integration Notes
Connection is via screw-type terminals on the main circuit, which is standard for panel wiring with ring or fork lugs. The IP00 rating means no gasket or seal — mount it where the panel's own enclosure provides the environmental protection. The 4% relative inductive voltage drop at rated current is the key parameter for sizing: it tells you the voltage sag the choke introduces at full load, which affects the DC bus voltage available to the converter. Verify your converter's minimum bus voltage requirement against this drop. Single-phase design limits this choke to single-phase converter inputs. For three-phase applications, you'd need three units or a three-phase reactor.