# Schneider Masterpact MTZ3 40H1 4000A 3P Circuit Breaker LV864978

Introducing the **Schneider Masterpact MTZ3 40H1 4000A 3P Circuit Breaker LV864978** a robust solution for critical industrial automation and marine power distribution needs. This high-performance circuit breaker is engineered to provide reliable protection and control for complex electrical systems. Its drawout design offers enhanced safety and maintenance accessibility, ensuring minimal downtime in demanding environments. The **Schneider** brand is synonymous with quality and durability, making the **Masterpact MTZ3** series a trusted choice for professionals seeking superior electrical safety and operational efficiency. This specific model, **LV864978**, is designed for applications requiring substantial current handling capabilities.

Engineered for advanced control systems, the **Schneider Masterpact MTZ3 40H1** breaker operates with precision, safeguarding equipment from overcurrent and short-circuit events. Its 4000 Amp rating and 3-pole configuration make it ideal for heavy-duty industrial applications where power integrity is paramount. While this unit is supplied without a Micrologic electronic trip unit, it provides a flexible platform for customization with compatible protection modules to meet specific operational requirements. It is a key component in ensuring the stability and safety of power distribution networks within manufacturing plants, data centers, and marine vessels. The drawout functionality simplifies installation and service, contributing to overall system reliability.

-   Reliable overcurrent and short-circuit protection for industrial applications.
-   Durable construction from **Schneider** ensures long-term performance and safety.
-   Drawout design for convenient maintenance and reduced operational interruptions.
-   3-pole configuration suitable for three-phase power systems.
-   High current rating of **4000A** for heavy-duty power distribution.

**Specifications:**

Brand Schneider  
Model Masterpact MTZ3 40H1  
Part Number LV864978  
Amperage Rating 4000 A  
Poles 3  
Type Drawout  
Micrologic Unit Without

For demanding electrical infrastructure, the **Schneider Masterpact MTZ3 40H1 4000A 3P Circuit Breaker LV864978** offers unparalleled protection and operational continuity. Trust in **Ram Automations** for your essential industrial automation components. Explore our range and secure your power systems today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Schneider
- **Type:** Electrical > Circuit Protection > Circuit Breakers
- **Tags:** 3P drawout breaker, 4000A circuit breaker, industrial automation, LV864978, marine electrical, Masterpact MTZ3 40H1, Ram Automations, Schneider automation, Schneider circuit breaker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Schneider Circuit Breaker Masterpact Mtz3 40h1 4000 A 3p Drawout Without Micrologic Schneider-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/schneider-masterpact-mtz3-40h1-4000a-3p-lv864978)
> Updated: 2026-09-23