3WT8121-6UG40-0AA1-ZA04

Product ID:169750
Updated: 2026/4/23
Siemens 3WT8121-6UG40-0AA1-ZA04

Key Features

  • 1Equip with ETU35WT electronic trip unit for adjustable overload and short-circuit protection. 2、Enhance safety with clear ON-OFF indicators and a ready-to-close signaling switch. 3、Achieve IP55 protection and secure mechanical lockout after tripping. 4、Minimize downtime by easily replacing or retrofitting key components. 5、Simplify installation with auxiliary connectors, a stored-energy indicator, and multilingual manuals.
Product Details
3WT8121-6UG40-0AA1-ZA04
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-6UG40-0AA1-ZA04

Specifications may be subject to change without notice