# Square D FH36040 Thermal Magnetic Circuit Breaker 40A 600VAC/250VDC

Protect your industrial automation systems with the robust SQUARE D FH36040 Thermal Magnetic Circuit Breaker. Engineered for reliability and performance, this 40A breaker is essential for safeguarding electrical circuits in demanding environments. Its advanced thermal magnetic trip unit provides dependable overcurrent protection, ensuring operational continuity and preventing damage to sensitive equipment. The SQUARE D FH36040 is ideal for integration into control panels and power distribution units where precise circuit management is paramount.

Engineered for superior performance in industrial automation and control systems, the SQUARE D FH36040 operates seamlessly within complex electrical configurations. This breaker is designed to handle significant electrical loads, offering precise tripping characteristics that are critical for maintaining system integrity. Its robust construction ensures longevity and consistent operation, making it a trusted component for engineers and technicians seeking dependable circuit protection solutions. For applications requiring steadfast performance, the SQUARE D FH36040 is the definitive choice.

-   **SQUARE D FH36040** provides reliable overcurrent protection.
-   Features a 40A rating suitable for industrial applications.
-   Supports both 600VAC and 250VDC voltage ratings for versatility.
-   Durable construction ensures long-lasting performance in harsh conditions.
-   Essential component for industrial automation and control systems.

### Specifications:

Brand SQUARE D  
Part Number FH36040  
Amperage Rating 40A  
Voltage Rating 600VAC 250VDC  
Type Thermal Magnetic Circuit Breaker

Trust the quality and engineering excellence of SQUARE D for your critical electrical infrastructure. The FH36040 circuit breaker is built to meet stringent industry standards, offering peace of mind and operational efficiency. Integrate this high-performance breaker into your next project for guaranteed protection and control.

## Details

- **Price:** 999.0 USD
- **Vendor:** Square D
- **Type:** Electrical Components > Circuit Protection > Circuit Breakers
- **Tags:** 250VDC, 40A breaker, 600VAC, circuit breaker, control systems, electrical protection, industrial automation, SQUARE D FH36040, thermal magnetic breaker

## Variants

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

## Images

- SIEMENS 3RW4445-2BC45 AC SEMICONDUCTOR MOTOR SOFT STARTER

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> Source: [Ram Automations](https://ramautomations.com/products/square-d-fh36040-40a-breaker)
> Updated: 2026-09-21