ABB A260-30-22-80

1. Overview

The ABB A260-30-22-80 is a 3-pole AC contactor belonging to the ABB A-series AC contactor lineup, with a rated current of 260A. It is widely used in the field of motor control and protection. Adopting an air arc extinguishing medium and supporting multiple coil voltage specifications, this contactor is applicable to various types of electrical control systems.

2. Technical Parameters

Parameter Item	Specification
Rated Current	260A
Number of Poles	3 Poles
Rated Voltage	24-690V
Coil Voltage	AC24V/110V/220V/380V, etc.
Coil Frequency	50Hz/60Hz
Conventional Thermal Current	400A
Operating Temperature	-40～+70℃
Operating Altitude	≤3000m
Mechanical Life	1,000,000 times
Main Contacts	3 Normally Open (3NO)
Auxiliary Contacts	2NO+2NC (indicated by the suffix -22 of the model)
Overall Dimensions	Approx. 140mm×227mm×180.5mm

3. Product Features

• Reliable contact performance and long service life
• High temperature resistance and corrosion resistance
• Compact and integrated structure
• Air-type arc extinguishing design for safe operation
• Flexible installation: supports vertical and horizontal mounting
• Compatible with DIN rail installation

4. Structure and Composition

4.1 Core System Configuration

• Main Contact System: 3-pole normally open contacts (3NO)
• Auxiliary Contact System: 2NO+2NC auxiliary contacts
• Electromagnetic System: Consists of coil, moving iron core and static iron core
• Arc Extinguishing System: Equipped with air-type arc extinguishing device

4.2 Terminal Definition

• Main Circuit Inlet: 1L1, 3L2, 5L3
• Main Circuit Outlet: 2T1, 4T2, 6T3
• Normally Open (NO) Auxiliary Contact Inlet: 13, 23, 33, 43
• Normally Open (NO) Auxiliary Contact Outlet: 14, 24, 34, 44
• Normally Closed (NC) Auxiliary Contact Inlet: 11, 21, 31, 41
• Normally Closed (NC) Auxiliary Contact Outlet: 12, 22, 32, 42
• Coil Terminals: A1, A2

5. Application Fields

• Motor control and protection systems
• Power energy management equipment
• Industrial electrical control systems
• Three-phase motor load control scenarios

6. Installation and Maintenance

6.1 Installation Specifications

• Installation Direction: Vertical or horizontal installation is permitted; the inclination angle shall not exceed ±30° during vertical installation
• Installation Method: Standard DIN rail mounting
• Wiring Requirement: Wire strictly in accordance with terminal marks to ensure correct circuit connection

6.2 Environmental Requirements

Pollution Level: Level 3; Operating Temperature: -40～+70℃; Maximum Operating Altitude: ≤3000m

6.3 Maintenance Guidelines

Regularly inspect the contact working status, clean surface dust and dirt regularly, and check all wiring terminals to ensure firm connection and stable equipment operation.

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