6SL3120-1TE21-8AC0 Single Motor Module, Input: 600 V DC

Siemens 6SL3120‑1TE21‑8AC0 Single Motor Module

1. Product Overview

The 6SL3120‑1TE21‑8AC0 is SINAMICS S120 Booksize C‑type single‑axis motor module. It accepts 600 V DC DC‑bus input and outputs 3‑phase 400 V AC with rated 18 A, driving synchronous and asynchronous servo motors. Adopts internal air cooling, supports optimized pulse patterns and extended Safety‑Integrated safety functions, equipped with DRIVE‑CLiQ interface for motor encoder connection. Widely applied in CNC machine tools, high‑dynamic automation production lines and packaging machinery.

2. Core Advantages & Key Features

✅ Booksize C‑type single motor module, internal air cooling ✅ DC‑bus Input: 600 V DC; Output: 3‑phase 400 V AC, rated current 18 A ✅ DRIVE‑CLiQ interface for encoder communication ✅ Supports extended Safety‑Integrated safety functions & optimized pulse pattern control ✅ High‑dynamic speed, torque and positioning control performance ✅ Modular design, supports multi‑module side‑by‑side cabinet installation ✅ Active production original Siemens part

3. Technical Specifications

• Model: 6SL3120‑1TE21‑8AC0
• Series: SINAMICS S120
• Type: Booksize C‑Type Single Motor Module
• DC‑bus Input: 600 V DC (510‑720 V DC range)
• Output: 3‑phase 400 V AC, rated 18 A
• Cooling: Internal air cooling
• Interface: DRIVE‑CLiQ
• Safety: Extended Safety‑Integrated functions supported
• Mounting: DIN‑rail installation
• Status: Active production product
• Net weight: 4.6 kg

4. Application Fields

CNC machine tools, automated production lines, material handling equipment, packaging machinery, high‑performance motion‑control equipment.

5. Package & Warranty

• Package: Original individual packing
• Warranty: 12‑month warranty