Merlin Gerin 33074BA – Micrologic 7.0A Electronic Trip Unit
A Merlin Gerin 33074BA is a Micrologic 7.0A electronic trip unit for circuit breakers, providing advanced protection and monitoring capabilities.
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Description
Merlin Gerin 33074BA – Micrologic 7.0A Electronic Trip Unit
The Merlin Gerin 33074BA is a state-of-the-art Micrologic 7.0A electronic trip unit, designed to provide advanced protection and monitoring for high-current circuit breakers. This intelligent device is responsible for monitoring current and other electrical parameters, and it can initiate a trip to open the circuit when a fault is detected. It is a key component in electrical distribution systems, ensuring the safety and reliability of the circuit.
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Key Features
- Advanced Protection: Provides a range of protection functions, including long-time, short-time, instantaneous, and ground fault protection.
- Electronic Monitoring: This device monitors various electrical parameters to ensure the circuit operates safely.
- High-Current Application: The trip unit is designed for use in high-amperage circuit breakers.
- LCD Display: The front panel includes an LCD display for detailed information on current and fault conditions, which simplifies troubleshooting and maintenance.
- Adjustable Settings: The trip unit has various settings and indicators for adjusting the protection curves, allowing for precise configuration.
Key Functions & Features
The Merlin Gerin Micrologic 7.0A trip unit, part number 33074BA, is an electronic controller for a circuit breaker. It is responsible for monitoring current and other electrical parameters and initiating a trip (opening the circuit) when a fault is detected, such as an overload or short circuit. The “7.0A” indicates that it provides advanced protection functions, including long-time, short-time, instantaneous, and ground fault protection. The front panel of the trip unit shows various settings and indicators for adjusting the protection curves, and it includes an LCD display for detailed information on current and fault conditions. The device has a CE mark, confirming its compliance with European safety standards.
Technical Specifications
- Manufacturer: Merlin Gerin (a brand of Schneider Electric)
- Part Number: 33074BA
- Product Type: Electronic Trip Unit
- Model: Micrologic 7.0A
- Amperage Rating: 800A (Sensor plug)
- Protection Functions: Long-time, short-time, instantaneous, ground fault
Applications
This Merlin Gerin trip unit is a critical component in electrical distribution systems, including:
- High-Current Circuit Breakers
- Industrial Power Distribution Panels
- Electrical Safety and Protection
- Generator and Transformer Protection
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| Manufacturer | |
|---|---|
| Condition | |
| Amperage | |
| Poles |
N/A |
| Trip Curve |
Ground fault ,Instantaneous ,Long-time ,Short-time |
| Breaking Capacity |

















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