The Mastervolt Charger Status Interface (CSI) is a purpose-built solution designed to provide system monitoring and automation for Mastervolt battery chargers. With its potential-free change-over contact, the CSI enables external devices to respond to charger states, such as shutdowns or critical faults, offering enhanced protection and operational efficiency in demanding environments.
Key Features
- Potential-free (dry) change-over contact for signal integration
- Compatible with Mastervolt battery chargers
- Triggers on charger shutdown or error conditions (e.g., short circuit, high temperature)
- Enables switching of external auxiliary equipment
- Compact and easy-to-install unit
Applications
- Marine electrical systems
- RV and off-grid battery management
- Industrial automation with Mastervolt chargers
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 21702000 |
| Contact Type | Potential-free change-over contact |
| Activation Conditions | Battery charger off or error (e.g., overtemp, short circuit) |
| Maximum Switching Current | 1 A |
| Compatibility | Mastervolt battery chargers |
| Mounting | Panel or surface mount |
The Mass Charger Status Interface is an essential component for users who need enhanced diagnostic capability and external control logic tied to charger status. Compact, efficient, and highly dependable, it integrates smoothly into professional energy systems.








