Siemens 6SL3720-1TE21-0AB4 SINAMICS S120 Control Unit CU320-2 Motor Module Drive

Siemens S120 Motor Module

6SL3720-1TE21-0AB4 Drive

380-480V Power Module

6SL3720-1TE21-0AB4

Siemens S120 Motor Module, 6SL3720-1TE21-0AB4 Drive, 380-480V Power Module for industrial applications. High-performance motor control, reliable power supply, and compact design. Supports dynamic drive systems with efficient energy conversion and seamless integration into automation setups.

Specification

SEODescription

The Siemens S120 Motor Module (6SL3720-1TE21-0AB4) is a high-performance drive component designed for the SINAMICS S120 series, operating within a 380-480V AC three-phase power range. This compact 380-480V Power Module supports direct integration with up to two additional motor modules, enabling scalable multi-axis configurations. It features built-in safety functions (STO) and interfaces with Control Units like CU320 via DRIVE-CLiQ for real-time communication. With a rated output current of 21A, it operates in ambient temperatures from 0°C to 40°C (storage: -40°C to 70°C) and is IP20 protected. Ideal for industrial automation, robotics, and precision machinery, the 6SL3720-1TE21-0AB4 Drive offers dynamic response and energy efficiency, though requires expert commissioning and lacks onboard I/O ports, necessitating external peripherals for complete system integration.

SEOSpecification

Parameter	Specification
Module Type	Siemens SINAMICS S120 Motor Module
Model Number	6SL3720-1TE21-0AB4
Input Voltage	380-480V AC (3-phase)
Output Current	30A (Rated)
Power Rating	15kW (at 400V)
Cooling Method	Forced-air cooling
Protection Class	IP20
Communication Interface	PROFIBUS/PROFINET
Operating Temperature	0°C to +40°C
Storage Temperature	-40°C to +70°C
Humidity	≤95% (non-condensing)
Weight	4.8kg
Dimensions (WxHxD)	170x245x200mm
Certification	CE, UL, cULus
Drive Compatibility	SINAMICS S120 Multi-Drive System

SEOQandA

question:How do you handle shipping?
answer:We support major carriers like DHL, FedEx, UPS. Shipping options vary based on destination and urgency.
question:Why should we purchase from you?
answer:We're Asia's leading industrial automation trader with 20+ years' experience, 85% repeat clients, and guaranteed quality.
question:Why is shipping costly? Any cheaper options?
answer:Costs depend on carrier rates. For lower costs, we offer sea/air freight for bulk orders with extended delivery times.

SEOQandA_Product

question:Overheating issues during operation?
answer:Check cooling fans and ventilation. Ensure ambient temperature stays within specified limits (typically 0-40°C).
question:Communication failure with control system?
answer:Verify PROFIBUS/PROFINET cable connections and baud rate settings. Reset communication parameters if needed.
question:Parameter settings not retained after power cycle?
answer:Replace backup battery (6SL3974-6AB00-0BA0) and ensure proper storage of parameters in non-volatile memory.
question:DC link capacitor warning activated?
answer:Measure capacitor health using diagnostic tools. Replace capacitor module if capacitance drops below 80% rating.
question:Motor vibration at specific speeds?
answer:Adjust drive resonance suppression parameters (P0340/P0341) or implement skip frequency band settings.