Product Model

3WT8121-5UP74-5AF1

In Stock
Last updated: 2025/5/12
Siemens 3WT8121-5UP74-5AF1

Selling Points

  • 1Equipped with ETU37WT overcurrent release and adjustable overload protection with I²t characteristic curve.
  • 2Capable of handling up to 66 kA at 500V with mechanical lockout device.
  • 3Components like electronic trip units, motorized operating mechanisms, and auxiliary switches can be replaced or retrofitted.
  • 4Includes door sealing frame for local operation, locking of the withdrawable circuit breaker against moving, and signaling switch for overload and short-circuit tripping.
  • 5Features unambiguous ON-OFF indicator with auxiliary switch for signal and ready-to-close indicator with signaling switch as safety standard.
Product Details
3WT8121-5UP74-5AF1
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5UP74-5AF1

Specifications may be subject to change without notice