# Siemens Siprotec 7Ut85 Transformer Protection Relay - 1A/5A

The **Siemens Siprotec 7Ut85 Transformer Protection Relay**, a crucial component for safeguarding electrical transformers, is engineered for optimal performance in industrial and automation systems. This relay, operating at 1A/5A, provides reliable protection against overcurrent and other electrical faults. It is ideal for various transformer applications, ensuring operational continuity and equipment longevity.

This protection relay features Bo-s and Bo-hs ratings of 5A/250V and 5A/200V/250V, respectively, ensuring precise and accurate protection. The **Siemens Siprotec 7Ut85** is compatible with U Rated voltages of 100V-125V and U Aux voltages of 60V-250V, and operates at a frequency of 50Hz/60Hz. Manufactured in Germany, this relay exemplifies quality and durability. The 7.150 Kg weight makes it easy to install.

Key Features:

-   **Precision Protection:** Provides accurate protection against overcurrent and faults.
-   **Wide Compatibility:** Suitable for various transformer applications.
-   **Reliable Performance:** Ensures consistent operation in diverse electrical environments.
-   **Durable Design:** Manufactured in Germany for long-lasting reliability.

Specifications:

-   Current Rating: 1A/5A
-   Bo-s Rating: 5A/250V
-   Bo-hs Rating: 5A/200V/250V
-   U Rated Voltage: 100V-125V
-   U Aux Voltage: 60V-250V
-   Frequency: 50Hz/60Hz
-   Part Number: P1F119830

The **Siemens Siprotec 7Ut85 Transformer Protection Relay** enhances the safety and efficiency of your electrical systems. Built with German engineering, this relay ensures dependable performance and protects your valuable equipment. Upgrade your protection system today and experience peace of mind. For inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Protection Relays > Transformer Protection
- **Tags:** electrical fault protection, industrial automation components, P1F119830, protection relay 1A/5A, Siemens, Siprotec 7Ut85, transformer protection, transformer protection relay

## Variants

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

## Images

- Siemens Siprotec 7Ut85 Transformer Protection Relay - 1A/5A-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-siprotec-7ut85-transformer-relay)
> Updated: 2026-09-19