The Siemens 3VJ9118-0AA11 is an alarm switch accessory designed for the SENTRON 3VJ11 125A MCCB. It provides a remote indication signal when the MCCB trips due to a fault condition such as overload or short circuit.
The 3VJ9118-0AA11 is mounted inside the accessory compartment of a 3VJ11 125A MCCB and provides 1 changeover (CO) contact for alarm indication. It is commonly connected to PLCs, annunciators, HMI systems, or control circuits to monitor breaker trip status remotely.
| Parameter | Details |
|---|---|
| Product Series | Siemens 3VJ |
| Model | 3VJ9118-0AA11 |
| Type | Alarm Switch |
| Compatible MCCB | 3VJ11 (125A) |
| Contact Type | 1 Changeover Contact (1CO) |
| Mounting Position | Left |
| Function | Breaker Trip Indication |
| Application | MCCB Monitoring & Alarm Signaling |
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