3WL1212-4FB66-4GN4-ZF12F36R21T40

Product ID:213205
Updated: 2026/4/8
Siemens 3WL1212-4FB66-4GN4-ZF12F36R21T40

Key Features

  • 1Handle demanding 1250 A IEC electrical systems reliably. 2、Adjust overcurrent release from 0.4-1 In with ETU45 LSIN protection. 3、Utilize rear horizontal and dual-hole front connections for flexibility. 4、Operate via motorized or manual mechanism with spring charging motor. 5、Access communication, measuring, and ground fault detection functions.
Product Details
3WL1212-4FB66-4GN4-ZF12F36R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1212-4FB66-4GN4-ZF12F36R21T40

Specifications may be subject to change without notice