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siemens 6sl3955 0tx00 1aa0 thyristor gate unit 21f-0

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Siemens 6SL3955-0TX00-1AA0 Thyristor Gate Unit 21F

Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months

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Overview

SIEMENS INDUSTRIAL AUTOMATION

Siemens 6SL3955-0TX00-1AA0 Thyristor Gate Unit 21F

21F thyristor gate unit with Siemens-listed protected and unprotected voltage configurations.

At a Glance

Brand Siemens
Model 6SL3955-0TX00-1AA0
Product Type Thyristor gate unit 21F
Core Function 21F thyristor gating in the specified voltage configuration
Siemens-Listed Successor 6SL3958-0TX01-0AA0 (verify before substitution)

Identification

21F thyristor gate unit; exact article number 6SL3955-0TX00-1AA0.

Electrical Interface

Siemens describes an 8 kV protected configuration and a 3.6–7 kV unprotected configuration.

Configuration

Match the installed gate unit and overvoltage-protection arrangement.

Product Overview

6SL3955-0TX00-1AA0 is a Siemens thyristor gate unit 21F. The manufacturer describes an 8 kV configuration with electronic overvoltage protection and a 3.6–7 kV configuration without that protection.

Ordering focus: match the complete article number, operating-voltage configuration and electronic overvoltage-protection arrangement.

Key Functions

Thyristor gating

Identified by Siemens as a 21F thyristor gate unit.

Protected 8 kV configuration

The identified 8 kV configuration includes electronic overvoltage protection.

Alternative voltage configuration

Siemens also identifies a 3.6–7 kV configuration without electronic overvoltage protection.

Official Specifications
Protected Configuration Voltage 8 kV
Protected Configuration Electronic overvoltage protection
Unprotected Configuration Range 3.6–7 kV
Net Weight 0.35 kg

Official source:Siemens product details for 6SL3955-0TX00-1AA0.

Frequently Asked Questions

What type of unit is 6SL3955-0TX00-1AA0?

It is a 21F thyristor gate unit.

Which 6SL3955-0TX00-1AA0 configuration includes electronic overvoltage protection?

The 8 kV configuration includes electronic overvoltage protection.

What voltage range is specified without electronic protection for 6SL3955-0TX00-1AA0?

The unprotected configuration is identified for 3.6–7 kV.

What should I match before replacing 6SL3955-0TX00-1AA0?

Match the complete article number, voltage configuration and overvoltage-protection arrangement.

What is the listed net weight of 6SL3955-0TX00-1AA0?

Siemens lists the net weight as 0.35 kg.

Does Siemens list a successor for 6SL3955-0TX00-1AA0?

Yes. Siemens identifies 6SL3958-0TX01-0AA0 as a successor product. Confirm the installed configuration before substituting it.

What is the lifecycle status of 6SL3955-0TX00-1AA0?

Siemens marks the article as phased out or discontinued. Check sourcing and replacement suitability before ordering.

Compatibility & Ordering Notes
Before ordering 6SL3955-0TX00-1AA0: match the complete article number, operating-voltage configuration and electronic overvoltage-protection arrangement.

Compatibility Checklist for 6SL3955-0TX00-1AA0

  • Confirm the full Siemens article number and the installed 21F thyristor gate-unit arrangement.
  • Identify whether the installation uses the 8 kV configuration with electronic overvoltage protection or the 3.6–7 kV configuration without it.
  • Siemens lists 6SL3958-0TX01-0AA0 as a successor; verify electrical and installation suitability before substitution.
  • Siemens marks this article as phased out or discontinued; confirm the current sourcing route before scheduling replacement.
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