ABB 1SDA066423R1 AUX 1Q 24Vdc XT1…XT4 auxiliary contact accessory for ABB SACE Tmax XT moulded case circuit breakers, providing 1 changeover contact for open-closed position indication in 24 V DC signalling circuits.
£32.00
The ABB 1SDA066423R1 is a compact and reliable auxiliary contact accessory designed for ABB SACE Tmax XT moulded case circuit breakers. This accessory provides electrical feedback of circuit breaker open and closed status, allowing seamless integration into industrial control panels, automation systems and low-voltage distribution applications.
Designed for compatibility with ABB Tmax XT1, XT2, XT3 and XT4 circuit breakers, the AUX 1Q 24Vdc module provides dependable status monitoring using a single changeover contact. It is ideal for applications where remote circuit breaker position feedback is required for PLCs, alarms, interlocks and electrical management systems.
The ABB 1SDA066423R1 features one changeover contact (CO/SPDT) for open/closed indication and is designed for 24 V DC control circuits. Its internal accessory mounting design ensures reliable operation and straightforward installation within compatible ABB Tmax XT circuit breakers.
Auxiliary contacts such as the ABB 1SDA066423R1 provide essential feedback from circuit breakers, enabling operators and automation systems to identify breaker position remotely. This improves system visibility and supports safer, more efficient electrical distribution management.
By adding signalling capability to ABB Tmax XT circuit breakers, this accessory helps simplify troubleshooting, improve maintenance planning and enhance integration with modern industrial control systems.
| Series | SACE Tmax XT Accessories |
|---|---|
| Product ID | 1SDA066423R1 |
| Product type | Circuit breaker auxiliary contact accessory |
| Product main type | Accessories for Tmax XT |
| Suitable for | ABB Tmax XT1, XT2, XT3 and XT4 |
| Suitable product class | SACE Tmax XT |
| Auxiliary contact configuration | 1 changeover contact for open-closed indication |
| Number of auxiliary contacts CO / SPDT | 1 |
| Rated signalling voltage | 24 V DC |
| Technical configuration type | Loose or configurable |
| Application | Circuit breaker position signalling and monitoring |
| Order code US and Canada | KXTAAUXD |
| Standards | IEC / UL |
| Customs tariff number | 85389099 |
| Product net weight | 0.048 kg |
| Package dimensions (W × H × D) | approx. 110 × 60 × 140 mm |
| Package gross weight | approx. 0.05 kg |
| EAN | 8015644002787 |
The ABB 1SDA066423R1 is an auxiliary contact accessory used with Tmax XT circuit breakers to provide remote open/closed status indication.
This auxiliary contact is compatible with ABB SACE Tmax XT1, XT2, XT3 and XT4 moulded case circuit breakers.
The unit provides one changeover contact (CO/SPDT) for circuit breaker open and closed indication.
The ABB 1SDA066423R1 operates with a 24 V DC control supply.
The accessory is installed internally within compatible ABB Tmax XT circuit breakers.
ABB Tmax XT accessories are widely used by electrical engineers and automation professionals to enhance circuit breaker monitoring, system integration and reliable low-voltage power distribution.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...