OBS7-1 Colorful Sign Digital voltage/current protector

OBS7-1-VA/1P+N Digital voltage/current protector

OBS7-2 OBCH Digital voltage/current protector

OBS7-2 Neutral Digital voltage/current protector

OBS7-3 Multicolor Sign OBCH Digital voltage/current protector

OBS7-3 Multicolor Sign Digital voltage/current protector

OBS7-3 OBCH Digital voltage/current protector

OBS7-3 Digital voltage/current protector

OBS7-4 Triple Display and Colorful Signage Multi-functional protector

OBS7-4 triple display blue and green sign OBCH Multi-functional protector

OBS7-4 triple display, blue and green label, neutral Multi-functional protector

OBS7-4 triple display OBCH Multi-functional protector

OBS7-4 triple display neutral Multi-functional protector

OBS9 Dual Display OBCH Digital voltage/current protector

OBS9 Dual Display OBCH Neutral Digital voltage/current protector

OBS7-1-VA/1P+N

Digital voltage/current protector 1P+N

Name: Digital voltage/current protector 1P+N
Brand: OBCH
SKU: 00034
Rating: 4.9 (67 reviews)

Model:	OBS7-1-VA/1P+N
Voltage range:	80-300V
Current :	40A/63A

OBS7-2-VA/1P+N

Digital voltage/current protector 1P+N

Model:	OBS7-2-VA/1P+N
Voltage range:	80-300V
Current :	40A/63A

OBS7-3-VA/1P+N

Digital voltage/current protector using Magnetic core

Model:	OBS7-3-VA/1P+N
Voltage range:	80-300V
Current :	40A/63A

OBS7-4-VAM/1P+N

Multi-functional protector with power monitor

Model:	OBS7-4-VAM/1P+N
Voltage range:	80-300V
Current :	40A/63A

OBS9-VA/1P+N

Digital voltage/current protector

Model:	OBS9-VA/1P+N
Voltage range:	80-300V
Current :	63A

Specifications:

OBS7-1-VA/1P+N OBS7-2-VA/1P+N OBS7-3-VA/1P+N OBS7-4-VAM/1P+N OBS9-VA/1P+N

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Application

Description

Technical Variables

Other

Product Introduction

When the voltage stabilizes and returns to the normal range, the device will resume power delivery on its own—no manual operation required. This ensures household appliances receive non-stop protection and boosts user safety effectively.

Product structure and performance characteristics

Voltage Monitoring: Real-time detection of voltage anomalies. If the voltage exceeds or falls below predefined thresholds (e.g., over-voltage: AC270±5V; under-voltage: AC170±5V), the protector instantly cuts off power to prevent damage to connected devices.

Auto-Reclosing Function: Automatically resumes power supply after a brief delay (e.g., 30±10 seconds) when voltage stabilizes, eliminating the need for manual resetting.

Rapid Response: Acts within ≤1 second to safeguard sensitive electronics (e.g., TVs, refrigerators) from voltage surges or drops.

Durable Design: Built with magnetically held relays and micro-processor technology for low power consumption (≤2W) and high mechanical longevity (≥100,000 cycles).

Wide Application: Ideal for single-phase AC 230V systems commonly used in homes and commercial settings, with a load capacity of up to 63A.

Technical Specifications

Voltage range	80-300V
Current	40A/63A

OB-HA-12WAY

Outdoor waterproof anti UV Distribution Cabinet 12way

OBS7-VA/3P+N

Three phase voltage protector 3P+N

OBS7-4-VA/1P+N

Single phase Digital voltage/current protector 40A 63A

Let's Talk

We provide customised solutions for professional circuit protection.

Digital voltage/current protector 1P+N

Digital voltage/current protector 1P+N

Digital voltage/current protector using Magnetic core

Multi-functional protector with power monitor

Digital voltage/current protector

Specifications:

Voltage Monitoring: Real-time detection of voltage anomalies. If the voltage exceeds or falls below predefined thresholds (e.g., over-voltage: AC270±5V; under-voltage: AC170±5V), the protector instantly cuts off power to prevent damage to connected devices.

​Auto-Reclosing Function: Automatically resumes power supply after a brief delay (e.g., 30±10 seconds) when voltage stabilizes, eliminating the need for manual resetting.

​Rapid Response: Acts within ≤1 second to safeguard sensitive electronics (e.g., TVs, refrigerators) from voltage surges or drops.

​Durable Design: Built with magnetically held relays and micro-processor technology for low power consumption (≤2W) and high mechanical longevity (≥100,000 cycles).

​Wide Application: Ideal for single-phase AC 230V systems commonly used in homes and commercial settings, with a load capacity of up to 63A.

OB-HA-12WAY

Outdoor waterproof anti UV Distribution Cabinet 12way

OBS7-VA/3P+N

Three phase voltage protector 3P+N

OBS7-4-VA/1P+N

Single phase Digital voltage/current protector 40A 63A

Let's Talk

Auto-Reclosing Function: Automatically resumes power supply after a brief delay (e.g., 30±10 seconds) when voltage stabilizes, eliminating the need for manual resetting.

Rapid Response: Acts within ≤1 second to safeguard sensitive electronics (e.g., TVs, refrigerators) from voltage surges or drops.

Durable Design: Built with magnetically held relays and micro-processor technology for low power consumption (≤2W) and high mechanical longevity (≥100,000 cycles).

Wide Application: Ideal for single-phase AC 230V systems commonly used in homes and commercial settings, with a load capacity of up to 63A.