# Siemens 7SJ66 Multifunction Protective Relay 7SJ6631-6KB90-1FA4BB

The **Siemens Siprotec 7SJ66 Multifunction Protective Relay 7SJ6631-6KB90-1FA4BB** is designed for robust and reliable protection in industrial applications. This relay offers comprehensive protection features, ensuring the safety and efficiency of your electrical systems. Its versatility makes it suitable for a wide range of uses, from power generation to distribution.

This protective relay, manufactured in India, operates at a rated current of 1A and a rated voltage of 100-125V, with an auxiliary voltage range of 110-250V. Built for durability, it can withstand demanding industrial environments. The **7SJ6631-6KB90-1FA4BB** is designed for easy installation and maintenance, making it a practical choice for engineers and maintenance professionals.

Key Features:

-   **Comprehensive Protection:** Provides multiple protection functions like overcurrent, earth fault, and voltage protection.
-   **Versatile Application:** Suitable for various industrial applications, including power generation and distribution.
-   **High Reliability:** Designed for continuous operation and long-term reliability.
-   **Easy Installation:** Simple setup and configuration to minimize downtime.

Specifications:

Rated Current: 1A

Rated Voltage: 100-125V

Auxiliary Voltage: 110-250V

The **Siemens Siprotec 7SJ66** provides dependable protection for your valuable equipment. Trust in Siemens for your industrial automation needs, ensuring optimal performance and safety in your systems. Consider integrating this relay into your industrial or automation systems for enhanced protection. For any inquiries, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com) Ram Automations.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Protective Relays > Multifunction Relays
- **Tags:** 7SJ66, 7SJ6631-6KB90-1FA4BB, industrial protection, power systems, protective relay, Siemens

## Variants

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

## Images

- Siemens 7SJ66 Multifunction Protective Relay 7SJ6631-6KB90-1FA4BB-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-7sj66-protective-relay-7sj6631)
> Updated: 2026-10-03