The Siemens 3VJ9118-0AD11 is a combined Auxiliary + Alarm Switch accessory designed for SENTRON 3VJ11 125A MCCBs. It provides both breaker status indication and trip alarm signaling through 2 changeover contacts (2CO) and is mounted on the left side of the MCCB.
The 3VJ9118-0AD11 is used inside Siemens 3VJ11 MCCBs to provide remote monitoring and signaling functions. It combines an auxiliary switch and an alarm switch in a single module with 2 changeover contacts, making it suitable for PLCs, SCADA systems, annunciators, and control panels.
| Parameter | Details |
|---|---|
| Product Series | Siemens 3VJ |
| Model | 3VJ9118-0AD11 |
| Type | Auxiliary + Alarm Switch |
| Compatible MCCB | 3VJ11 (125A) |
| Contact Type | 2 Changeover Contacts (2CO) |
| Mounting Position | Left |
| Thermal Current | 5A |
| Insulation Voltage | 500V |
| Function | Status & Trip Indication |
| Application | MCCB Monitoring & Signaling |
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