# Switching Power Monitor E01.3601.381 Gru03 - Rolf Janssen

The **Switching Power Frequency Monitoring Rolf Janssen E01.3601.381 Gru03** is a critical component for maintaining the integrity and efficiency of your power systems. Designed by Janssen Rolf Janssen Gmbh Elektrotechnische Werke, this device is engineered for generator protection and alternator protection in industrial applications. It ensures reliable power management, safeguarding your equipment from frequency fluctuations.

This frequency monitoring system is built to handle a **Nennsp. of 400 V at 50 Hz**. It features a switching power of **1A/7A** and a Max. switching power of **250 V/3A (750 Va/120 W)**. The device also offers a switching power frequency monitoring function with a Max. capacity of **250 V/1 A (90 Va/30 W)**. With a weight of 6.200 Kg, the **Rolf Janssen E01.3601.381 Gru03** offers robust performance.

-   **Frequency Monitoring:** Monitors and regulates power frequency to protect sensitive equipment.
-   **Generator Protection:** Safeguards generators from frequency-related issues.
-   **Alternator Protection:** Protects alternators, ensuring optimal performance and longevity.
-   **High Reliability:** Built with high-quality components for long-lasting performance.
-   **Easy Installation:** The device is designed for straightforward installation and integration.

The **Rolf Janssen E01.3601.381 Gru03** is a dependable solution for your industrial and automation needs. Trust in its performance to ensure the safety and efficiency of your electrical systems. For further assistance and product inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Rolf Janssen
- **Type:** Industrial Automation > Power Management > Frequency Monitors
- **Tags:** alternator protection, E01.3601.381, frequency monitoring, generator protection, power management system, Rolf Janssen

## Variants

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

## Images

- Switching Power Monitor E01.3601.381 Gru03 - Rolf Janssen-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/rolf-janssen-e01-3601-381-gru03)
> Updated: 2026-09-18