3WL1240-4CB77-4GP4-ZK07R21T40

Product ID:177562
Updated: 2026/4/22
Siemens 3WL1240-4CB77-4GP4-ZK07R21T40

Key Features

  • 1Handle up to 4000 A current with full IEC compliance. 2、Apply across incoming, distribution, tie, and outgoing circuits. 3、Enable advanced communication via ETU45B or ETU76B trip units. 4、Retrofit accessories easily with its modular design. 5、Ensure climate-proof operation per IEC 60068-2-30.
Product Details
3WL1240-4CB77-4GP4-ZK07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-4CB77-4GP4-ZK07R21T40

Specifications may be subject to change without notice