3WT8121-7UG00-0AA1

Product ID:143684
Updated: 2026/4/21
Siemens 3WT8121-7UG00-0AA1

Key Features

  • 1Deliver reliable power distribution with a 1250A current rating. 2、Meet international safety standards including CE certification. 3、Protect against overcurrent and short-circuit with 66kA Icu. 4、Suit a wide range of applications up to 500V AC. 5、Simplify installation and maintenance with modular design.
Product Details
3WT8121-7UG00-0AA1
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Rated Voltage (V)
500
Description
3WT1, 1250A ETU45WT F/3P, 66kA; Electric Operation Closing AC/DC220V; Breaking Coil AC/DC220V; Alarm Contacts; Door Frame; 2NO+2NC
Icw(kA)
50
Rated Service Short Circuit Breaking Capacity Ics(kA)@400V or 415V
66
Control Voltage
AC/DC220V
Number of Poles
3P
Mounting Method
F: Fixed Mounting
Trip Unit
ETU45WT【LSIN with LCD Display】
Rated Current In(A)
1250
Rated Ultimate Breaking Capacity Icu(kA)@400V or 415V
66
Breaking Rating
S:66kA
Specifications
3WT1【400-1600A】
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-7UG00-0AA1

Specifications may be subject to change without notice