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OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

OUVR-2 Self-recovery Overvoltage and Undervoltage Protector

The OUVR-2 Self-recovery Overvoltage and Undervoltage Protector is an intelligent protection device designed for AC 230V, 50Hz systems. It automatically disconnects circuits when voltage exceeds or falls below safe limits and restores power once stability returns, ensuring equipment protection and minimal downtime. With a wide protection range (0–450V), 80A capacity, and LED status indication, the OUVR-2 offers fast, reliable, and maintenance-free protection for residential and commercial distribution systems.

Product Information

Function: Automatically disconnects during abnormal voltage (over/under) and restores after recovery
Rated Voltage (Ue): AC 230V, 50Hz
Rated Operating Current (Ie): 32A, 40A, 50A, 63A, 80A
Number of Poles: 1P+N, 3P+N
Overvoltage Cutoff Value: 275V
Undervoltage Cutoff Value: 161V
Recovery Voltage Range: 196V–253V
Voltage Protection Range: 0–450V
Time Delay for Reconnection: 30 ±10 seconds
Impulse Withstand Voltage: 4kV (Category III equipment safety standard)
Mechanical/Electrical Life: >50,000 operations
Power Consumption: <2W
Ambient Temperature: −35°C to +70°C
Altitude: ≤3000m
Relative Humidity: ≤50% at +40°C, up to 90% at +20°C
Pollution Degree: 2
Mounting Category: II or III
Mounting Type: TH35-7.5 DIN rail (vertical deviation ≤5°)
Connection Method:
- Bottom entry and upper/bottom exit wiring
- Neutral (N) and Live (L) connections must not be reversed
Conductor Capacity:
- 32A → 6mm²
- 40A → 10mm²
- 50A → 10mm²
- 63A → 16mm²
- 80A → 25mm²
LED Indication:
- Green = Normal voltage
- Red = Overvoltage/Undervoltage fault
Dimensions (mm): 81 × 42.5 × 27 (H×W×D)
Installation Tip: Tighten terminal screws before use to prevent contact failure

Name

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Release time

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OUVR-2-OUPA-Catalog.pdf

373.77KB

2024-09-22

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Name

Size

Release time

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2003-OUVR-2-OUPA-Manual.pdf

133.91KB

2024-09-22

Download

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FAQs

What is the purpose of the OUVR-2 Self-recovery Overvoltage and Undervoltage Protector?

It safeguards equipment by disconnecting power during unsafe voltage conditions (over or under) and automatically restoring it once the voltage stabilizes, ensuring continuous and safe operation.

Where is the OUVR-2 typically used?

It’s ideal for household distribution boxes, small commercial systems, or industrial control panels requiring stable power supply and unattended recovery.

How does the LED indication system work?

The green LED signals normal voltage, while the red LED lights up during overvoltage or undervoltage events, providing a quick status overview.

How long does it take to recover after a voltage fault?

The device reconnects automatically after 30 ±10 seconds once the voltage returns to the safe range (196V–253V).

What makes the OUVR-2 reliable?

Its inverse time-lag operation (<1s), 50,000-cycle lifespan, and 4kV surge withstand capability make it a durable, low-maintenance choice for reliable power protection.