3RV1021-1JA15

series introduction

# Introduction to the 3RV1021 - 1JA15 Product Series

## 1. Overview
The 3RV1021 - 1JA15 product series belongs to a specialized range of electrical protection and control devices. These devices are engineered to provide reliable and efficient performance in various industrial and commercial electrical systems. With a focus on precision, durability, and safety, the 3RV1021 - 1JA15 series is designed to meet the demanding requirements of modern electrical applications.

## 2. Key Features

### 2.1 Overload Protection
One of the primary functions of the 3RV1021 - 1JA15 series is to offer comprehensive overload protection. It can accurately detect excessive current in an electrical circuit and respond quickly to prevent damage to connected equipment. The overload protection mechanism is highly sensitive and can be adjusted to suit different load requirements. This ensures that the device can adapt to a wide range of electrical loads, from small - scale machinery to large industrial motors.

### 2.2 Short - Circuit Protection
In addition to overload protection, the 3RV1021 - 1JA15 series provides reliable short - circuit protection. Short circuits can cause significant damage to electrical systems and pose a safety hazard. The devices in this series are equipped with advanced short - circuit detection technology that can rapidly interrupt the circuit when a short - circuit occurs. This helps to minimize the impact of short - circuits and protect the entire electrical installation.

### 2.3 Adjustable Trip Settings
The 3RV1021 - 1JA15 series offers adjustable trip settings, allowing users to customize the protection parameters according to their specific needs. The trip settings can be easily adjusted using the built - in adjustment knobs or through digital interfaces, depending on the model. This flexibility enables precise control over the protection function, ensuring that the device provides optimal protection for different types of loads and operating conditions.

### 2.4 Compact Design
The devices in the 3RV1021 - 1JA15 series feature a compact design, which makes them suitable for installation in space - constrained environments. Despite their small size, they offer high - performance protection and control capabilities. The compact design also facilitates easy integration into existing electrical panels and systems, reducing installation time and costs.

### 2.5 High - Quality Construction
These products are built with high - quality materials and components, ensuring long - term reliability and durability. The enclosures are designed to provide protection against dust, moisture, and mechanical damage, making them suitable for use in harsh industrial environments. The internal components are carefully selected and tested to ensure stable performance under various operating conditions.

## 3. Technical Specifications

### 3.1 Electrical Ratings
- **Rated Current**: The 3RV1021 - 1JA15 series is available with different rated current options, typically ranging from a few amperes to several tens of amperes. This allows users to select the appropriate device based on the load current requirements of their electrical system.
- **Voltage Rating**: The devices are designed to operate within a specific voltage range, usually from low - voltage to medium - voltage levels. Common voltage ratings include 230V, 400V, and 480V, depending on the application.

### 3.2 Trip Characteristics
- **Overload Trip Time**: The overload trip time can be adjusted within a certain range, typically from a few seconds to several minutes. This allows for different levels of protection depending on the nature of the load. For example, a motor with a high starting current may require a longer overload trip time to avoid unnecessary tripping during startup.
- **Short - Circuit Trip Time**: The short - circuit trip time is extremely fast, usually in the order

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