ABB AUXILIARY CONTACT NO OA1G10

Why Choose the ABB OA1G10 Auxiliary Contact?

The ABB OA1G10 is a compact and reliable auxiliary contact block designed for use with ABB low voltage switching equipment, including selected OT and OS switch-disconnector ranges. This accessory provides a dependable signalling interface for monitoring switch position and integrating switching devices into control, indication and automation circuits.

Featuring 1 normally open (1NO) auxiliary contact, the OA1G10 allows electrical status feedback from compatible ABB switch-disconnectors and switch fuses. It is particularly useful in industrial control panels where remote indication, interlocking, PLC input signalling or operational feedback is required.

With a compact body measuring approximately 11 × 37 × 21 mm, a 16 A conventional thermal current rating and a 690 V rated insulation voltage, the ABB OA1G10 provides a practical and robust auxiliary switching solution for industrial electrical installations.

Key Advantages

• Genuine ABB auxiliary contact block for compatible low voltage switchgear.
• 1 normally open (1NO) auxiliary contact for signalling and control circuits.
• 16 A conventional thermal current rating for dependable auxiliary switching.
• 690 V rated insulation voltage suitable for industrial electrical systems.
• Compact design for easy installation in control panels and switchgear assemblies.
• Supports remote indication, electrical interlocking and automation feedback.

Key Features

• ABB OA1G10 auxiliary contact.
• 1NO contact configuration.
• Designed for selected ABB OT, OS and switch-disconnector accessories.
• 16 A conventional free-air thermal current.
• 690 V rated operational / insulation voltage.
• Screw terminal connection for secure wiring.
• Compact side-mount accessory format.
• Suitable for control, indication and automation circuits.

Technical Specifications

• Manufacturer: ABB
• Model: OA1G10
• Product type: Auxiliary contact block
• Contact configuration: 1 normally open (1NO)
• Conventional free-air thermal current (Ith): 16 A
• Conventional enclosed thermal current (Ithe): 16 A
• Rated insulation voltage (Ui): 690 V
• Rated voltage (Ur): 690 V
• Terminal capacity: 2 × 0.75-2.5 mm²
• Terminal capacity: 2 × 18-14 AWG
• Recommended stripping length: 8-10 mm
• Tightening torque: 0.8 Nm
• Screw type: Pozidriv M3.5, Form 2
• Dimensions (W × H × D): approx. 11 × 37 × 21 mm
• Weight: approx. 0.015 kg
• ABB product ID: 1SCA022353R4970
• EAN: 6417019102443

Reliable Auxiliary Switching for Control Panels

Auxiliary contacts such as the ABB OA1G10 are used to provide electrical feedback from the main switching device. This allows engineers to monitor whether a switch is open or closed and to send that status to pilot lights, control relays, PLC inputs or wider automation systems.

The OA1G10 is a practical accessory for machine builders, panel builders and maintenance engineers who need a compact, dependable contact block for ABB switchgear assemblies. Its small footprint helps save panel space while providing robust electrical signalling performance.

Typical Applications

• Industrial control panels and switchgear assemblies.
• Remote switch position indication.
• PLC and automation system feedback.
• Electrical interlocking circuits.
• Machine safety and control systems.
• ABB OT and OS switch-disconnector installations.

Trusted by Panel Builders and Industrial Engineers

ABB auxiliary contacts such as the OA1G10 are widely used in industrial switchgear and control panel applications where reliable signalling, compact installation and dependable electrical performance are required.