The Siemens 3VA9307-0NA10 is an external current transformer (CT) designed for use with SENTRON 3VA2 Molded Case Circuit Breakers (MCCBs) equipped with electronic trip units. This accessory enables neutral conductor (N-conductor) current measurement in 4-pole distribution systems, allowing enhanced protection, monitoring, and fault detection.
The current transformer is used where neutral current monitoring is required for load balancing, fault analysis, residual current monitoring, and advanced power distribution applications. It is suitable for 3VA2 MCCBs with rated currents from 400A to 630A and is widely used in industrial power distribution systems, switchboards, MCC panels, PCC panels, and commercial electrical installations.
• Siemens SENTRON 3VA accessory
• Model: 3VA9307-0NA10
• External Current Transformer (CT)
• Designed for Neutral Conductor (N-Conductor) Monitoring
• Suitable for 3VA2 MCCBs
• Compatible with Electronic Trip Units (ETU)
• Supports 4-Pole Distribution Systems
• Accurate Neutral Current Measurement
• Improves Power Monitoring Capabilities
• Supports Advanced Protection Functions
• Compact and Robust Construction
• Industrial Grade Design
• Easy Installation
• Reliable Measurement Performance
• Maintenance-Free Operation
• Long Service Life
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA Accessories |
| Model Number | 3VA9307-0NA10 |
| Product Type | External Current Transformer |
| Accessory Type | Neutral Conductor CT |
| Suitable MCCB Series | 3VA2 |
| Compatible Current Ratings | 400A, 500A, 630A |
| Application | Neutral Current Monitoring |
| System Type | 4-Pole Power Distribution |
| Measurement Function | N-Conductor Current Detection |
| Compatible Trip Units | Electronic Trip Units (ETU) |
| Mounting Type | External Installation |
| Housing Material | Industrial Thermoplastic |
| Product Family | SENTRON 3VA9 Accessories |
| Brand | Siemens |
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