3WL1120-3DG36-3GA4-ZR21
The 3WL1120 frame-type air circuit breaker has a rated current of 2000A, a 3-pole design, and the order code includes ZR21 as an optional extra. It is equipped with an electronic trip unit, conforms to the IEC 60947-2 standard, and is suitable for large-scale power distribution trunk circuits.
Product Positioning
SENTRON 3WL1120-3DG36-ZR21 is a Siemens low-voltage frame-type air circuit breaker with a rated current of 2000A and an optional ZR21 code, suitable for main circuits in large power distribution systems.
Core Product Advantages and Features
2000A rated current
It adopts the 3WL1120 frame, has a rated current of 2000A, conforms to the IEC 60947-2 low-voltage circuit breaker standard, and is suitable for use in the backbone of large power distribution systems.
3-pole design
The order code starts with 3, indicating a 3-pole circuit breaker structure suitable for three-phase three-wire low-voltage power distribution systems.
Electronic trip unit
Equipped with an electronic overcurrent trip unit, it provides multi-stage protection functions to ensure safe circuit operation.
ZR21 Value-Added Options
The order code includes the ZR21 value-added option code, which can be matched with corresponding original factory optional accessories according to needs.