# Siemens SIMOTICS SD 1LE1 Synchronous Reluctance Motor

> synchronous-motor - Three-phase synchronous servo motor for SINAMICS V70/V90 controlled motion systems.

**Voltformer canonical:** https://voltformer.com/product/siemens-simotics-sd-1le1-synchronous-reluctance-motor - markdown version: https://voltformer.com/product/siemens-simotics-sd-1le1-synchronous-reluctance-motor.md

## Overview

- **Brand:** Siemens
- **Product family:** SIMOTICS synchronous reluctance motors
- **Category:** Grid Equipment & Power Quality / electric-motors-and-starting

## Manufacturer-stated technical envelope

- **Rated power:** ≤ [object Object] kW
- **Rated voltage:** 400 V
- **Frequency / poles:** 50 Hz / [object Object]
- **Synchronous speed:** undefined rpm
- **Efficiency:** order-code configured
- **Protection / cooling / mounting:** IP55 standard; other degrees by configuration; IC411 or order-code configured; IEC mounting by order code
- **Construction:** Three-phase synchronous reluctance motor; SIMOTICS SD severe-duty frame; SINAMICS converter matched

## Standards

- OEM drive-system and order-code documentation

## Official sources

- https://cache.industry.siemens.com/dl/files/197/109749197/att_1094438/v1/Motors-D81-1-complete-English-12-2021-Update_2022-02.pdf

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

The stated values are family or catalogue-option limits. Select the exact order code and verify project-specific duties before procurement or release of an SLD design.