Description
The Eaton 5ARMLSIG is a Digitrip 520MC solid-state trip unit designed to provide advanced programmable protection for low-voltage circuit breakers. Eaton part number 5ARMLSIG supports a wide amperage range and incorporates LSIG protection functions for precise fault detection. It is engineered for industrial power distribution systems requiring configurable protection and enhanced operational safety.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton |
| Category |
Circuit Protection |
| Part Number |
5ARMLSIG |
| Subcategory |
Circuit Breaker Trip Unit |
| Product Type |
Electronic trip unit / programmer |
| Series |
Digitrip 520MC |
| Protection Functions |
LSIG (Long-time, Short-time, Instantaneous, Ground fault) |
| Technology |
Solid-state electronic |
| Amperage Range |
200–6000 A |
| Special Feature |
Arming maintenance mode |
| Programmability |
Adjustable trip settings |
| Application |
Industrial power distribution systems |
| Product Status |
Discontinued by manufacturer |
| Weight |
2.50 lb |
Information About 5ARMLSIG
The 5ARMLSIG is a programmable electronic trip unit from Eaton’s Digitrip 520MC series, developed for use in molded case and power circuit breakers. It features LSIG protection, including long-time, short-time, instantaneous, and ground fault functions, ensuring comprehensive system protection. The unit includes an arming maintenance mode that enhances safety during servicing by reducing arc-flash energy levels. Designed for applications ranging from 200 to 6000 A, it integrates seamlessly into industrial systems requiring reliable and adjustable protection settings.
Key Features:
- Digitrip 520MC Platform: Advanced solid-state trip unit for precise and programmable protection.
- LSIG Protection Functions: Provides long-time, short-time, instantaneous, and ground fault protection.
- Wide Amperage Range: Supports applications from 200 A to 6000 A.
- Programmable Settings: Allows customization of protection curves for system coordination.
- Maintenance Mode Capability: Reduces arc-flash risk during servicing operations.
- Solid-State Electronics: Ensures accurate fault detection and reliable performance.
- Industrial System Compatibility: Suitable for integration with various breaker platforms.
- Retrofit and Upgrade Ready: Ideal for replacing or upgrading existing protection systems.
The 5ARMLSIG delivers the reliability and precision required for advanced circuit protection and arc-flash safety in industrial power distribution systems.
