3WL1240-3EB67-4GN4-ZF12R21T40

Product ID:219735
Updated: 2026/6/21
Siemens 3WL1240-3EB67-4GN4-ZF12R21T40

Key Features

  • 1Deliver up to 4000 A (IEC) for reliable performance in demanding electrical installations.
  • 2Retrofit modules easily for Electronic Trip Units, current sensors, and signaling switches.
  • 3Integrate seamlessly with PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU.
  • 4Operate reliably in challenging conditions per IEC 60068-2-30 compliance.
  • 5Configure as incoming-feeder, distribution, tie, or outgoing-feeder circuit breakers.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3EB67-4GN4-ZF12R21T40

Specifications may be subject to change without notice

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