3WL1240-2NB77-4GA4-ZF12F36R21S01T40

Product ID:103014
Updated: 2026/4/5
Siemens 3WL1240-2NB77-4GA4-ZF12F36R21S01T40

Key Features

  • 1Handle high currents up to 4000A for demanding industrial loads. 2、Ensure reliable protection with an Icu rating of 66kA at 500V. 3、Benefit from a durable design that guarantees long-term operational performance. 4、Simplify installation using convenient rear connection terminals. 5、Deploy confidently in Size II applications per IEC standards.
Product Details
3WL1240-2NB77-4GA4-ZF12F36R21S01T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2NB77-4GA4-ZF12F36R21S01T40

Specifications may be subject to change without notice