Siemens 6SE7038-6GK84-1GF0 Snubber / Protection Board

Key Features

• IGBT Protection Function – Snubber circuitry clamps voltage transients across the IGBT modules, preventing damaging voltage spikes during switching events

• SMU3 Inverter Connection Module – Identified as the "PLATE CONNECTION INVERTER SMU3" in Siemens documentation

• Designed for Large-Chassis 6SE70 Drives – Compatible with the high-power inverter units in the 6SE7038 series

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

• Critical Protection Component – Essential for the reliability and lifespan of the IGBT power modules

Technical Parameters

Core Advantages

1. Essential IGBT Protection

The primary function of the 6SE7038-6GK84-1GF0 is to protect the expensive IGBT power modules from voltage transients that occur during high-frequency switching. Without proper snubber protection, IGBT modules can experience overvoltage stress that leads to premature failure or catastrophic damage. This board is a critical component for maintaining the reliability of the drive's power section.

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 6SE7038-6GK84-1GF0 remains essential for maintaining the large installed base of 6SE70 drives in critical industrial applications. The availability of this spare ensures that existing drives can continue to operate reliably without requiring complete system replacement.

4. Fast Availability

With stock availability and a planned factory dispatch of 1 working day, this board can be shipped quickly to minimize downtime in critical drive applications.

Applications

The 6SE7038-6GK84-1GF0 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 6SE7038-6GK84-1GF0 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 6SE7038-6GK84-1GF0 Snubber / Protection Board

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 6SE7038-6GK84-1GF0?

It is a Snubber / Protection Board (identified as the SMU3 inverter connection module) 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 board?

The board provides IGBT overvoltage protection by clamping voltage transients that occur during high-frequency PWM switching. It is essential for preventing damage to the expensive IGBT power modules in the drive's inverter section.

Q3: What drive platform is this board compatible with?

It is designed for the SIMOVERT MASTERDRIVES 6SE70 series, specifically for large-chassis inverter units in the 6SE7038 power range.

Q4: Is this a genuine Siemens product?

Yes. This is a genuine Siemens spare part with part number 6SE7038-6GK84-1GF0. The product is classified under Siemens PLM status PM410: Product Support Completed.

Q5: What is the net weight of this board?

The net weight is 0.260 kg.

Q6: What is the country of origin?

Germany.

Q7: 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.

Q8: How quickly can this board ship?

The planned factory dispatch time is 1 working day. With stock availability, orders can typically ship same or next business day.

Q9: What other names is this board known by?

It is variously identified as a Snubber Board, Protection Board, and SMU3 Inverter Connection Module (PLATE CONNECTION INVERTER SMU3) depending on the documentation source.

Q10: What should I verify before ordering?

Always verify the exact board number (6SE7038-6GK84-1GF0) against your drive's spare parts documentation, confirm your drive model, and check the existing board configuration before ordering. Consult Siemens documentation or contact our technical support for assistance.