Siemens SENTRON
ACB Accessories – Motorised Operating Mechanism – 3WA9111-0AF05
The Siemens 3WA9111-0AF05 is a motorised operating
mechanism accessory designed for SENTRON 3WA and 3WL Air Circuit
Breakers (ACBs). This accessory enables automatic charging of the spring
mechanism, allowing reliable remote operation and enhanced automation of
low-voltage power distribution systems. It is widely used in industrial
switchboards, PCC panels, critical infrastructure, data centers, utilities, and
commercial power systems where dependable remote switching and operational
efficiency are required.
This motorized operating mechanism is designed for 110–127
V AC / 110–125 V DC control supply voltage and supports automatic spring
charging for ACB closing operations. The unit is engineered for high endurance
and seamless integration with Siemens SENTRON ACB platforms.
Key Features
IEC compliant accessory solution
|
Parameter |
Specification |
|
Product Model |
3WA9111-0AF05 |
|
Brand |
Siemens |
|
Series |
SENTRON 3WA / 3WL |
|
Product Type |
Motorised Operating Mechanism |
|
Function |
Spring charging motor |
|
Compatible Breakers |
3WA / 3WL ACB |
|
Control Supply Voltage |
110–127 V AC / 110–125 V DC |
|
Operating Apparent Power |
135 VA |
|
Maximum Operating Frequency |
60 operations/hour |
|
Spring Charging Time |
Approx. 10 seconds |
|
Electrical Endurance |
30,000 operating cycles |
|
Short-Circuit Protection |
2 A fuse / MCB recommended |
|
Ambient Operating Temperature |
-40°C to +70°C |
|
Mounting Application |
ACB accessory integration |
|
Standards / Approvals |
CE, RoHS, UKCA, EAC |
|
Net Weight |
Approx. 1.64 kg |
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