3WL1220-4MB66-4GN4-ZF12F36R21T40

Product ID:146335
Updated: 2026/4/21
Siemens 3WL1220-4MB66-4GN4-ZF12F36R21T40

Key Features

  • 1Handle up to 2000A with IEC In=2000A to 690V. 2、Choose between withdrawable and fixed-mounted configurations. 3、Utilize the overcurrent release ETU 25 LSI for reliable protection. 4、Ensure broad application flexibility with AC50/60Hz compatibility. 5、Achieve efficient energy management with Icu=80kA at 500V.
Product Details
3WL1220-4MB66-4GN4-ZF12F36R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-4MB66-4GN4-ZF12F36R21T40

Specifications may be subject to change without notice