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SIEMENS 6SL3353-1AG41-4DA1 *Spare part* SINAMICS Replacement power block for 500-690V 3AC, 50/60 Hz, 1400A basic line module rectifier Painted modules and nickel-plated busbars

SIEMENS 6SL3353-1AG41-4DA1 Spare part SINAMICS Replacement power block for 500-690V 3AC, 50/60 Hz, 1400A basic line module rectifier Painted modules and nickel-plated busbars

✔ IN STOCK ✔ New Original

Delivery time: Shipped in 3 days after payment
Condition: Brand New & Original SIEMENS Factory Sealed
Warranty: 12 Months Standard Warranty
Quality Guarantee: 30-Day Return and Exchange Policy

Part Number	6SL3353-1AG41-4DA1
Product Type	Backup power block / basic power module BLM rectifier
Product Origin	Germany
Shipping Port	Xiamen
Weight	160 kg

Brand :
Siemens

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Product Details

The 6SL3353-1AG41-4DA1 is a backup power block in the Siemens SINAMICS S120 series. Essentially, it's a Basic Line Module (BLM) rectifier.

It converts three-phase AC to DC, providing a stable DC bus voltage for subsequent inverter units, but it lacks energy feedback functionality. Designed for rack mounting, this module utilizes nickel-plated busbars and a painted module process to enhance corrosion resistance and is a crucial component of high-power Chassis-style drive systems.

100% Original & Authentic In-Stock & Fast Shipping Expert Technical Support 12-Month Warranty

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Core Features

✓ AC to DC Conversion: As a rectifier unit, it rectifies the input 690V AC power into DC power to supply the motor module.
✓ High Current Capacity: Rated current up to 1400A, meeting the power requirements of extreme industrial loads.
✓ Basic Rectification (No Feedback): Utilizing a BLM (Basic Power Module) architecture, it is a "voltage-type" rectifier, suitable for applications where energy regenerative braking is not required.
✓ System Spare Part Support: As an official spare part, it is used for quick replacement of faulty rectifier units in the SINAMICS S120 drive system, reducing downtime.

Technical Specifications

Brand	SIEMENS
Model / Part Number	6SL3353-1AG41-4DA1
Input voltage	3-phase AC 500V - 690V
Frequency	50/60 Hz
Rated current	1400A
Main Circuit Type	Voltage-type / V/F control
Protective Coating	Painted modules, nickel-plated busbars

Frequently Asked Questions

Q: In which industries or scenarios is this module commonly used?

A: This module is a high-power spare part, primarily used in heavy industrial environments requiring high-power drive and extremely short system uptime, such as large fans, water pumps, compressors, ship propulsion, rolling mills, and mining conveyor belts. When the original rectifier unit in the SINAMICS S120 drive system fails, this spare part allows for rapid replacement, minimizing losses due to production downtime.

Q: Why is this module marked as a "spare part" and labeled "no feedback function"? What should be considered when purchasing and using it?

A: The core positioning of this product is replacement and repair, not integration into new equipment. Furthermore, because it is a BLM (Basic Power Module), it cannot feed braking energy back to the grid like an ALM (Active Power Module). In applications requiring frequent rapid braking or potential energy loads (such as descending cranes), an additional braking resistor or energy feedback unit must be configured; otherwise, the DC bus voltage will rise, leading to overvoltage faults.

Q: Can the 6SL3353-1AG41-4DA1 be used with any SINAMICS S120 motor module?

A: Yes, but with strict electrical parameter matching requirements. This rectifier module outputs 1400A of DC current and can only be used with motor modules whose total DC bus current requirement does not exceed its rated value (usually derating is considered). For example, it can drive a single large 1300A motor module, or drive multiple small modules in parallel with a total current of less than 1400A. Precise current calculations must be performed when planning the drive system; mismatch will cause module overload or malfunction.

Why Partner With Us?

2016

Established in

300+

Countries Sold

200+

Employees

4000+

Companies Served

100% Original

Genuine spare parts through rigorous supply chain control.

Quick Shipping

Expedited delivery through our global logistics network.

24/7 Support

Uninterrupted technical assistance for system installation.

Large Stock

Immediate availability from our massive control systems inventory.

Hot Tags :

SIEMENS 6SL3353-1AG41-4DA1 3-phase AC 500V - 690V

Siemens SINAMICS S120 6SL3353-1AG41-4DA1

SIEMENS 6SL3353-1AG41-4DA1 1400A rectifier

SIEMENS Power Block 6SL3353-1AG41-4DA1

SIEMENS Basic Line Module 6SL3353-1AG41-4DA1

SIEMENS 690V power supply 6SL3353-1AG41-4DA1

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Xiamen Weiranxin Trading Co., Ltd. has been engaged in the field of industrial automation components since 2016. We mainly supply automation components to heavy industry manufacturers around the world.

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