# Siemens 3RT1026-1A10 Circuit Breaker - 40A 690V Protection

The **Siemens 3RT1026-1A10 Circuit Breaker** is a critical component for safeguarding electrical systems. Designed for reliability, this circuit breaker offers robust protection, ensuring the safety and efficiency of your operations. Ideal for industrial applications, the **3RT1026-1A10** model is a trusted solution for managing electrical loads.

This **Siemens** circuit breaker meets the stringent IEC 60947 and VDE0660 standards, guaranteeing dependable performance. With an AC-1 rating of 40A and a maximum voltage of 690V, it is suited for various applications. It can handle AC3.1.0-0 loads up to 35A at 600V. The **3RT1026-1A10** features a short circuit rating of 5Ka at 600V and copper wire torque of 7…10.3 Lb.In 0,8…1,2 Nm. This breaker also has a 400V 50Hz and 440V 60Hz rating, making it versatile for different power supplies.

Key Features:

-   **Siemens 3RT1026-1A10** for reliable circuit protection.
-   AC-1 rated at 40A and 690V, suitable for diverse applications.
-   Meets IEC 60947 and VDE0660 standards for safety.
-   Durable construction for long-lasting performance.
-   Easy to install and maintain for operational efficiency.

Specifications:

-   Part Number: 3RT1026-1A10
-   AC-1 Rating: 40A
-   Maximum Voltage: 690V
-   Short Circuit Rating: 5Ka at 600V
-   Torque: 7…10.3 Lb.In 0,8…1,2 Nm
-   Voltage Rating: 400V 50Hz / 440V 60Hz

The **Siemens 3RT1026-1A10 Circuit Breaker** provides superior performance and reliability for your electrical needs. Its robust design and compliance with international standards make it an ideal choice for industrial and automation systems. Contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com) to integrate this high-quality circuit breaker into your systems.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Components > Circuit Breakers > Industrial Breakers
- **Tags:** 3RT1026-1A10, 40A, 690V, circuit breaker, electrical protection, industrial automation, Siemens, Siemens circuit breaker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Siemens 3RT1026-1A10 Circuit Breaker - 40A 690V Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rt1026-1a10-circuit-breaker)
> Updated: 2026-10-03