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DA ETIMAT 10 DC 48V — this is an auxiliary module for ETIMAT series circuit breakers, designed for remote tripping of circuit breakers in DC circuits when a control signal of 48 V DC is applied. Its design is optimized for operation in DC networks, where load disconnection requires exceptional speed and reliability due to the absence of a natural current zero-crossing.
The device is mounted on a DIN rail on the left side of the circuit breaker, requires no special tools, and integrates easily into control circuits. The independent trip unit allows the line to be de-energized regardless of the load and without triggering the circuit breaker’s main trip units (thermal or electromagnetic). It is suitable for use in photovoltaic installations, telecommunications systems, battery complexes, and industrial and transportation equipment operating on direct current.
Technical advantages
- Optimized for DC: ensures effective disconnection in DC networks.
- Control voltage: 48 V DC — the standard for many telecommunications and industrial systems.
- Compatibility: can be installed on all models of the ETIMAT series (AC/DC).
- Fast response: instantaneous operation upon receipt of the control signal.
- Compact design: takes up no additional space, requiring only one module next to the circuit breaker.
- Safety: housing made of heat-resistant and electrically insulating materials.
- Reliability: designed for repeated operation without performance degradation.
Features
The DA ETIMAT 10 DC 48V is designed for operation in environments where guaranteed DC power disconnection is required upon command from an automation system. This may be an emergency power-off (EPO), a shutdown as part of automatic transfer switching (ATS), or part of a control algorithm in industrial equipment.
The absence of natural arc extinction in direct current requires a special design of the contact group and arc-extinguishing system. The DA ETIMAT 10 DC 48V takes these features into account, ensuring stable operation even in circuits with high current and voltage values.
The module complies with the IEC/EN 60947-2 standards and has a high mechanical and electrical endurance. Its use significantly increases the safety and ease of maintenance of electrical installations.
Applications
- Photovoltaic installations (between panels and inverters, in DC combiner boxes).
- Energy storage systems (ESS) and 48 V battery banks.
- Telecommunications nodes and server cabinets with DC power supply.
- Electric vehicles and DC charging infrastructure.
- Industrial installations and automation powered by DC sources.
Accessories
- PS-ETIMAT 10 terminal blocks — circuit breaker status indication.
- Sealing panels — restricting access to control elements.
- Terminal plugs — enhancing maintenance safety.
Total Energo
Total Energo LLC supplies DA ETIMAT 10 DC 48V independent trip units with an official warranty and technical support. We will help you select the optimal solution for your DC system, arrange delivery, and provide recommendations for installation and integration into automation and security systems.