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OA3G01AU ABB 1 NC Auxiliary Contact with Gold-Plated Contacts
ABB OA3G01AU is a 1 NC early-make auxiliary contact, order code 1SCA022819R5260, featuring gold-plated contacts for reliable control and signalling in harsh environments and low-voltage applications.
£14.94
Why Choose the ABB OA3G01AU Auxiliary Contact?
The ABB OA3G01AU is a high-quality normally closed auxiliary contact with gold-plated contacts designed for compatible ABB OT and OTM switching equipment. Identified by ABB order code 1SCA022819R5260, it provides a reliable auxiliary switching function for control, indication and interlocking circuits.
As part of the ABB OT/OETL accessories range, the OA3G01AU features a 1 NC contact configuration. The AU version uses gold-plated contacts, making it particularly suitable for harsh operating environments and applications involving low control voltages where dependable contact performance is important.
The OA3G01AU is an early-make auxiliary contact and has an IP20 protection rating. Its compact design supports installation with a broad range of compatible ABB switching devices, providing a practical solution for industrial switchboards, distribution panels and automation systems.
Key Advantages
- Genuine ABB normally closed auxiliary contact.
- Gold-plated contacts designed for harsh environments and low operating voltages.
- 1 NC contact configuration for auxiliary control and signalling.
- Early-make operation for compatible switching applications.
- IP20 protection rating.
- Suitable for status indication, interlocking and industrial control circuits.
Key Features
- ABB OA3G01AU auxiliary contact.
- 1 normally closed (NC) contact.
- Gold-plated contact surfaces.
- Designed for demanding environments and low-voltage control signals.
- Early-make auxiliary contact function.
- 690 V rated insulation voltage.
- 4 kV rated impulse withstand voltage.
- IP20 protection rating.
- ABB order code 1SCA022819R5260.
- Compact accessory for compatible ABB OT and OTM switching equipment.
Reliable Low-Voltage Signalling and Control
Auxiliary contacts allow the operating state of switching equipment to be incorporated into separate control, indication and interlocking circuits. The normally closed configuration of the OA3G01AU provides a contact path that can be used for switch status monitoring, sequencing and associated control functions.
The gold-plated contacts distinguish the OA3G01AU from standard auxiliary contact versions and make it particularly appropriate for demanding environments and low operating voltages. This supports dependable switching of control signals in industrial automation and electrical distribution installations.
Typical Applications
- ABB OT and OTM switch installations.
- Switch position status indication.
- Electrical interlocking circuits.
- Low-voltage control and signalling circuits.
- Industrial switchboards and distribution panels.
- Automation and machinery control systems.
Technical Specifications
| Series | OT/OETL Accessories |
|---|---|
| ABB order code | 1SCA022819R5260 |
| Product type | Auxiliary contact |
| Contact configuration | 1 NC |
| Contact material | Gold-plated contacts |
| Contact function | Early make |
| Rated insulation voltage (Ui) | 690 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Pollution degree | 3 |
| Protection rating | IP20 |
| AC-15 rated operational current at 230 V | 6 A |
| AC-15 rated operational current at 400 V | 4 A |
| DC-12 rated operational current at 24 V | 10 A |
| Dimensions (H × W × D) | 11 × 40 × 30 mm |
| Weight | approx. 0.03 kg |
Frequently Asked Questions
What is the ABB OA3G01AU used for?
The OA3G01AU is a normally closed auxiliary contact used for signalling, status indication and control functions with compatible ABB switching equipment.
What contact configuration does the OA3G01AU have?
The ABB OA3G01AU provides 1 normally closed (1 NC) contact.
Why does the OA3G01AU have gold-plated contacts?
The gold-plated contacts are intended to provide dependable contact performance in harsh environments and applications using low operating voltages.
What is the protection rating of the ABB OA3G01AU?
The OA3G01AU has an IP20 protection rating.
What is the ABB order code for OA3G01AU?
The ABB order code for the OA3G01AU auxiliary contact is 1SCA022819R5260.
Trusted ABB Switchgear Accessories
ABB OT/OETL auxiliary contacts provide dedicated signalling and control functionality for compatible switching equipment, with gold-plated AU variants supporting reliable operation in demanding environments and low-voltage control applications.
