3WT8121-5AV40-0AA1-ZA04

Product ID:207920
Updated: 2026/7/6
Siemens 3WT8121-5AV40-0AA1-ZA04

Key Features

  • 1Achieve high safety and reliability with IP55 protection and mechanical lockout.
  • 2Simplify maintenance via a modular design for easy component replacement.
  • 3Customize protection with adjustable overload and short-circuit settings.
  • 4Diagnose faults quickly using advanced ETUs with LED trip indicators.
  • 5Operate intuitively with clear ON-OFF and ready-to-close signals.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5AV40-0AA1-ZA04

Specifications may be subject to change without notice

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