Siemens SENTRON ACB – Microprocessor Based Trip Unit –
3WA1112-2AF32-0AA0
The Siemens 3WA1112-2AF32-0AA0 is a SENTRON 3WA
series Air Circuit Breaker (ACB) designed for advanced protection and
reliable switching in low-voltage power distribution systems. It is
widely used in main incomer panels, PCC panels, industrial plants,
commercial buildings, data centers, and infrastructure projects where
high-performance protection and operational reliability are essential.
This model features a microprocessor-based electronic
trip unit, providing precise protection against overload, short-circuit,
and fault conditions. The intelligent trip unit enables accurate
monitoring, protection coordination, and system diagnostics for modern
electrical distribution networks.
The breaker is designed for high current distribution
applications and supports selective coordination, communication
integration, and enhanced system reliability in critical power systems. The
SENTRON 3WA platform is known for its compact construction, digital capability,
and dependable switching performance in demanding industrial environments.
(new.abb.com)
Key Features
|
Parameter |
Specification |
|
Product Model |
3WA1112-2AF32-0AA0 |
|
Brand |
Siemens |
|
Series |
SENTRON 3WA |
|
Product Type |
Air Circuit Breaker (ACB) |
|
Trip Unit Type |
Microprocessor-based electronic trip unit |
|
Protection Functions |
Overload, short-circuit, fault protection |
|
Number of Poles |
3 Pole / 4 Pole variant dependent |
|
Installation Type |
Fixed / draw-out configuration dependent |
|
Rated Operational Voltage |
Up to 690 V AC |
|
Frequency |
50/60 Hz |
|
Application |
Main LT power distribution |
|
Standards |
IEC 60947-2 |
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