Siemens 6SE7038-6GK84-1GG0 Inverter Snubber Module SML3

Key Features

• IGBT Transient Protection – Clamps voltage spikes across the IGBT modules during high-frequency switching events

• SML3 Designation – Identifies the specific snubber module type fitted to the 6SE7038 drive platform

• Low-Impedance RC Network – Provides a low-impedance path for transient energy discharge, protecting IGBT modules from overvoltage stress

• Essential for Power Section Reliability – Critical for the reliability and lifespan of the expensive IGBT power modules

• Original Siemens Spare Part – Manufactured to OEM specifications for exact compatibility

• Fast Factory Dispatch – Planned shipping within 4 working days

Technical Parameters

Core Advantages

1. Critical IGBT Protection

The primary function of the 6SE7038-6GK84-1GG0 is to protect the expensive IGBT power modules from voltage transients that occur during high-frequency switching. In high-power drives carrying hundreds of amps, the voltage spike energy is substantial. The SML3 snubber module provides a low-impedance path for this transient energy to discharge through its internal resistor-capacitor network, clamping the IGBT collector voltage to a safe level .

2. Original Siemens Spare Part

As a genuine Siemens component, this board ensures exact form, fit, and function compatibility with the SIMOVERT MASTERDRIVES 6SE70 platform. Using original spare parts maintains the integrity of the drive's protection circuitry and avoids the risks associated with third-party substitutes.

3. Essential for Existing 6SE70 Installations

Despite the platform being discontinued, the 6SE7038-6GK84-1GG0 remains essential for maintaining the large installed base of 6SE70 drives in critical industrial applications. Field experience shows that when snubber boards fail, the drive can experience immediate overvoltage faults or catastrophic IGBT failure during high-load switching cycles .

4. Fast Availability

With stock availability and a planned factory dispatch of 4 working days, this module can be shipped quickly to minimize downtime in critical drive applications .

Applications

The 6SE7038-6GK84-1GG0 is deployed as a spare part in SIMOVERT MASTERDRIVES 6SE70 drive systems:

Primary Functions

• Transient Suppression – Clamps voltage spikes across IGBT modules

• Switching Protection – Protects power semiconductors during PWM operation

• Power Section Reliability – Ensures long-term survival of IGBT modules

Recommended Models & Related Products

Note: The 6SE7038-6GK84-1GG0 is a specific spare part for the 6SE70 platform. Always verify the exact board number against your drive's spare parts documentation before ordering.

What's Included

• 1 × Siemens 6SE7038-6GK84-1GG0 Inverter Snubber Module SML3

Note: Drive unit, IVI board, CUD1 control board, and other power section components are sold separately.

Why Buy From Us?

• In Stock – Ready to ship immediately

• Fast Shipping – Expedited shipping options available

• Warranty Included – Purchase with confidence

• Technical Support – Drive compatibility assistance available

Frequently Asked Questions (FAQ)

Q1: What is the Siemens 6SE7038-6GK84-1GG0?

It is an Inverter Snubber Module SML3 for the SIMOVERT MASTERDRIVES 6SE70 series. Its primary function is to protect the IGBT power modules from voltage transients during switching operation .

Q2: What is the function of this module?

The module provides IGBT overvoltage protection by clamping voltage transients that occur during high-frequency PWM switching. It provides a low-impedance path for transient energy to discharge through its internal resistor-capacitor network, preventing the IGBT collector voltage from reaching breakdown levels .

Q3: What does "SML3" mean?

SML3 is the specific snubber module designation for the 6SE7038 power bracket within the SIMOVERT MASTERDRIVES spare parts system. Different drives in the SIMOVERT range use different snubber modules (SML1, SML2, SML3, SML4), each matched to the specific power level and IGBT configuration of the drive .

Q4: What happens if this snubber module fails?

A failed snubber module results in unmitigated voltage spikes across the IGBT modules during switching. This can cause immediate overvoltage faults, IGBT gate oxide damage, or catastrophic IGBT failure. Field experience shows that when snubber boards are compromised, the drive may run for hours before a capacitor bank failure or IGBT explosion occurs during high-load switching .

Q5: Is this a genuine Siemens product?

Yes. This is a genuine Siemens spare part with order number 6SE7038-6GK84-1GG0. The product is classified under Siemens PLM status PM410: Product Support Completed .

Q6: What is the net weight of this module?

The net weight is 0.25 kg .

Q7: What is the country of origin?

Germany .

Q8: What is the product lifecycle status?

The product is classified under PM410: Product Support Completed, with discontinuation effective 01.02.2011. This unit is from remaining spare parts stock .

Q9: How quickly can this module ship?

The planned factory dispatch time is 4 working days. With stock availability, orders can typically ship same or next business day .

Q10: What should I verify before ordering?

Always verify the exact board number (6SE7038-6GK84-1GG0) against your drive's spare parts documentation, confirm your drive model, and check the existing snubber module designation (SML3) before ordering.