3WL1220-3FG66-4GA4-ZF12R21T40

Product ID:210728
Updated: 2026/7/4
Siemens 3WL1220-3FG66-4GA4-ZF12R21T40

Key Features

  • 1Protect critical systems with a high-performance circuit breaker for industrial applications.
  • 2Ensure reliable operation with a 3-pole, size II, IEC-rated design.
  • 3Handle demanding loads up to 2000A at 690V, AC50/60Hz.
  • 4Simplify installation using the rear connection horizontal configuration.
  • 5Meet stringent safety standards with a 100kA at 500V Icu rating.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3FG66-4GA4-ZF12R21T40

Specifications may be subject to change without notice

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