3WL1240-2NB77-4GA4-ZF36K07R21T40

Product ID:158226
Updated: 2026/4/24
Siemens 3WL1240-2NB77-4GA4-ZF36K07R21T40

Key Features

  • 1Achieve high-performance protection with a 3-pole design. 2、Ensure reliability and safety by meeting IEC standards. 3、Simplify maintenance and replacement via a withdrawable design. 4、Support currents up to 4000A at 690V AC50/60Hz. 5、Enhance safety with an overcurrent release (Icu) of 66kA at 500V.
Product Details
3WL1240-2NB77-4GA4-ZF36K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2NB77-4GA4-ZF36K07R21T40

Specifications may be subject to change without notice