ABB EO 001 1 - OA1H10 NC auxiliary contact

Normally closed (NC) auxiliary contact designed to complement electrical signalling in a variety of residential, commercial and light industrial settings. With its compact design, NC configuration and ease of installation, it offers a reliable solution for various signalling needs.

Main features:

• Proven reliability: Built with high-quality materials to ensure long-lasting operation and resist shock and vibration.
• Accurate signalling: NC contact ensures reliable circuit interruption when not activated, ensuring accurate transmission of status information.
• Compact design: The half-module form factor allows space-saving installation in switchboards and control panels.
• Versatility of application: Suitable for various signalling requirements, such as indicating open doors, triggering alarms or signalling faults.
• Ease of installation: Screw terminal simplifies mounting on DIN rail or control panel.

Applications:

• Alarm warning: Indication of faults, overloads or other abnormal conditions in electrical installations.
• Status monitoring: Transmission of the operating status of motors, pumps, valves or other devices.
• Access Control: Signalling open doors, closed windows or other security statuses.
• Process indication: Notification of completed processing steps, achieved fill levels or other process information.

Technical specifications:

• Product code: EO 001 1 - OA1H10
• Series: EO 001 1
• Typology:Auxiliary contact
• Configuration: Normally closed (NC)
• Current rating: 10 A
• Rated voltage: 250 V AC/DC
• Rated power: 2500 VA
• Breaking capacity: 4.5 kA
• Manoeuvring frequency: Emergency
• Electrical duration: Minimum 1 million cycles
• Contact resistance: Max 100 mΩ
• Operating temperature: -25°C to +70°C
• Grade of protection: IP20
• Mounting: DIN rail or control panel
• Material: Plastic and metal

Advantages:

• Enhanced safety: The OA1H10 contact ensures reliable transmission of alarm or status signals, contributing to the safety of people and facilities.
• Reduction of downtime: Early identification of faults enables timely intervention, minimising downtime and optimising production.
• Efficient monitoring: Contact facilitates monitoring of the status of systems and machines, ensuring their efficient and safe operation.
• Versatile solution: The NC configuration makes it suitable for multiple signalling applications.
• Easy installation: The compact design and screw clamp make for easy mounting.