3WT8121-5UG44-5AF1

Product ID:112627
Updated: 2026/7/5
Siemens 3WT8121-5UG44-5AF1

Key Features

  • 1Utilize advanced ETU35WT electronic trip units for precise protection.
  • 2Enhance safety with mechanical reclosing lock and trip signaling switches.
  • 3Easily retrofit components like auxiliary releases and current transformers.
  • 4Monitor status via user-friendly LCD display and diagnostic LEDs.
  • 5Apply across a broad range from 400A to 4000A applications.

Need price and lead time?

Request a quote for original Siemens 3WT8121-5UG44-5AF1. Tell us your required quantity.

It only takes 1 minute — get your quotation and delivery time.
Quote within 24h
100% Original Siemens
Global Delivery
No Spam · Secure

Need a quote? Enter your quantity and get pricing fast.

Qty

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5UG44-5AF1

Specifications may be subject to change without notice

Still deciding on 3WT8121-5UG44-5AF1?

Our engineers can confirm stock, price, and lead time for this Siemens part.

Get a no-obligation quote in 1 minute.

Chat with us