# Siemens ESP200 Solid State Overload Relay - 3UB8133-4FW2 - Industrial Protection

The **Siemens ESP200 Solid State Overload Relay**, with part number **3UB8133-4FW2**, is essential for safeguarding electrical equipment in industrial environments. This 3-phase relay offers reliable protection against overloads, ensuring the longevity and safe operation of your systems. Designed for efficiency and durability, it's a critical component for maintaining operational uptime and preventing costly downtime.

This overload relay operates at 50/60Hz and has a trip class of 5/10/20/30. It handles a current range of 13-52A and a maximum voltage of 600V AC. The capability to handle short circuits up to 100kA at 600V ensures your equipment is protected under demanding conditions. With a trip current set at 125% of the rating and a weight of just 365g, this relay offers robust protection in a compact design.

-   **Overload Protection:** Protects electrical equipment from damage caused by excessive current.
-   **Wide Current Range:** Supports a broad spectrum of applications, with a current rating of 13-52A.
-   **High Voltage Capacity:** Operates safely in systems up to 600V AC.
-   **Industrial Durability:** Built to withstand the rigors of industrial environments.
-   **Easy Installation:** Lightweight design and clear guidance simplify setup.

Specifications include an ambient temperature rating of 60°C and compatibility with CU 60/75°C wire. The **Siemens ESP200** is an investment in the reliability of your industrial automation systems. Ensure the safety and longevity of your equipment by integrating this high-performance overload relay. For any questions or support contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Electrical Components > Overload Relays
- **Tags:** 3ub8133-4fw2, esp200, industrial automation, motor protection, overload relay, siemens

## Variants

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

## Images

- Siemens ESP200 Solid State Overload Relay - 3UB8133-4FW2 - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-esp200-3ub8133-4fw2-relay)
> Updated: 2026-10-02