PR4 220-OEK

General Product Description

The PR4 220-OEK from Ekoakua is an advanced monitoring relay designed for protection against permanent overvoltage’s in single-phase and three-phase installations with a neutral. This device ensures effective adjustable protection, providing a rapid response to voltage fluctuations, ideal for maintaining the integrity of your electrical systems.

Key Features

• Overvoltage Monitoring: Suitable for single-phase and three-phase installations with a neutral, monitors permanent overvoltage’s adjustable from 225 to 265 V.
• Delay Adjustment: Adjustable detection delay from 0 to 10 seconds.
• State Contact: Normally open (NO), normally closed (NC), and common (COM) terminals for precise state response.
• Minimal Consumption: Maximum consumption of 1.5 VA.
• Network Indicators: Green LEDs for easy visualization of the operational state.
• Remote Alarm Contact: Contacts that open and close for remote alarm (15-18 close, 15-16 open).

Technical Specifications

• Input / Controlled Voltage: 220 / 380 VAC (+15%, -10%) Single-phase or Three-phase with neutral terminal.
• Controlled Terminals: L1, L2, L3, N.
• Maximum Consumption: 1.5 VA.
• Measurement Time: 100 ms.
• Overvoltage Range (Umax): F-N Disabled or 225 ~ 265 V.
• Detection Delay: Disabled, adjustable from 1 to 10 seconds.
• Undervoltage Range (Umin): F-N Disabled.
• Hysteresis: 5%.
• State Contact: In = 8 A; Vn = 250 VAC; 2000 VA.
• Dimensions: 90 x 18 x 65 mm (1 Pole).
• Operating Temperature: -20 ºC to +55 ºC.
• Connection Cable Section: Maximum 2×1.5 mm² or 1×2.5 mm².
• Standards: IEC 60255-6, IEC 6101.
• Mounting: 35 mm DIN rail mounting according to IEC 60715.
• Enclosure Material: Polycarbonate, Flammability Standard UL94 V-0.

Typical Applications

The PR4 220-OEK is ideal for a wide range of industrial and commercial applications, including:

• Protection of Sensitive Equipment: Ensures the safety of sensitive electronic equipment against voltage fluctuations.
• Industrial Automation Systems: Protects automation systems from failures due to overvoltage’s.
• Critical Power Systems: Ensures operational continuity in critical power systems.

Installation Diagrams

The PR4 220-OEK is compatible with single-phase 220V and three-phase 220/380V installations with a neutral terminal. It is associated with an automatic switch through a trip coil that protects the installation against permanent overvoltage’s.

Conclusion

The PR4 220-OEK from Ekoakua is a reliable and advanced solution for protection against permanent overvoltage’s in electrical installations. Its robust design and adjustable features ensure continuous and efficient protection for your systems.

For more information about this product or any other surge protection solutions, visit www.ekoakua.com or contact our sales team at  ekomercial@ekoakua.com.