The Siemens SIDAC 4EP3700-0PS00 is a 3-phase output reactor rated for 38 A continuous current with a 0.16 mH inductance, designed to handle switching frequencies up to 4 000 Hz. That 38 A figure is the thermal maximum (Ithmax) — it's the current the reactor can carry continuously at 40 °C ambient without exceeding the Class B insulation temperature rise. For a drive output, this means it will smooth the PWM current ripple and limit the dV/dt stress on motor windings, but only if the drive's continuous output current stays under that 38 A line. The 4 000 Hz switching frequency rating tells you it's built for IGBT drives running fast switching — typical for low-noise or low-loss applications — not just the standard 2-3 kHz range.
Siemens SIDAC 4EP3700-0PS00 Output Reactor, 38A 4000Hz
MPN4EP3700-0PS00
Siemens SIDAC output reactor, 3-phase AC, 38A, 0.16 mH, 4000 Hz switching frequency, IP00, screw terminals.
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Type of voltage | AC |
| Type of electrical connection for main current circuit | screw-type terminals |
| Power loss [W] of the coil | 43W |
| Power loss [W] of the iron core | 22W |
| Phase number | 3 |
| Ambient temperature rated value | 40°C |
| Depth | 0.1m |
| Width | 0.17m |
| Height | 0.15m |
| Thermal class acc. to IEC 60085 | B |
| Rated value | 4 000Hz |
| Protection class IP | IP00 |
| Inductivity rated value | 0.00016H |
Product details
MPN
4EP3700-0PS00