3WT8121-5UM34-5AB1

Product ID:154638
Updated: 2026/4/23
Siemens 3WT8121-5UM34-5AB1

Key Features

  • 1Deliver high breaking capacity up to 66 kA at 500 V. 2、Simplify maintenance with a modular design for easy retrofitting. 3、Ensure precise protection using advanced ETU with LSI functions. 4、Operate reliably with a motorized mechanism and manual override. 5、Enhance safety with trip signaling and mechanical reclosing lockout.
Product Details
3WT8121-5UM34-5AB1
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5UM34-5AB1

Specifications may be subject to change without notice