# SIEMENS 3UG4513-1BR20 Phase Monitoring Relay for Industrial Automation

Ensure the reliable operation of your critical industrial machinery with the **SIEMENS 3UG4513-1BR20** phase monitoring relay. This advanced device is engineered to protect three-phase systems from phase unbalance and phase failure, safeguarding sensitive equipment from costly damage and downtime. Its robust design makes it an indispensable component for demanding automation applications, ensuring consistent performance and operational integrity. The **SIEMENS 3UG4513-1BR20** is a trusted solution for maintaining the health of your electrical infrastructure.

Designed for seamless integration into modern control systems, the **SIEMENS 3UG4513-1BR20** offers precise phase monitoring capabilities. It operates effectively within specified voltage ranges, providing essential protection against electrical anomalies that can disrupt production lines or marine vessel operations. This relay is crucial for applications requiring high levels of electrical system stability and fault detection, contributing to overall system safety and efficiency. It’s the ideal choice for engineers and technicians seeking dependable phase sequence and voltage monitoring.

-   **Advanced Phase Protection**: Detects and prevents damage from phase unbalance and phase failure.
-   **Industrial Grade Durability**: Built to withstand harsh operating environments common in automation.
-   **System Stability Assurance**: Enhances the reliability of three-phase motor and control circuits.
-   **Easy Integration**: Designed for straightforward installation within existing control panels and systems.
-   **Wide Application Range**: Suitable for diverse industrial automation and marine power systems.

### Specifications

Voltage Range: \[Specify if known, otherwise omit\]  
Current Rating: \[Specify if known, otherwise omit\]  
Monitoring Functions: Phase unbalance phase failure  
Mounting Type: DIN rail  
Contact Rating: \[Specify if known, otherwise omit\]

When it comes to protecting your valuable assets, trust in the proven performance of SIEMENS automation components. The **SIEMENS 3UG4513-1BR20** phase monitoring relay provides the security and reliability your industrial or marine operations demand. Discover the difference quality engineering makes and secure your system’s future today.

## Details

- **Price:** 999.0 USD
- **Vendor:** SIEMENS
- **Type:** Industrial Automation > Control Components > Relays
- **Tags:** automation components, control systems, electrical safety, industrial automation, motor protection, phase monitoring relay, SIEMENS 3UG4513-1BR20, SIEMENS relay

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- SIEMENS 3RW4445-2BC45 AC SEMICONDUCTOR MOTOR SOFT STARTER

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3ug4513-1br20-phase-monitoring-relay)
> Updated: 2026-09-21