ABB 1SDA066422R1 AUX 1Q 250Vac/dc XT1…XT6 auxiliary contact accessory for ABB SACE Tmax XT1, XT2, XT3, XT4, XT5 and XT6 moulded case circuit breakers, providing 1 changeover contact for open-closed position indication up to 250 V AC/DC.
£32.00
The ABB 1SDA066422R1 is a reliable auxiliary contact accessory designed for ABB SACE Tmax XT moulded case circuit breakers. This compact electrical accessory provides remote open and closed status indication, allowing circuit breaker monitoring and integration into industrial control, automation and power management systems.
Designed for use with ABB Tmax XT1, XT2, XT3, XT4, XT5 and XT6 circuit breakers, the AUX 1Q 250Vac/dc module provides a dependable signalling solution for switchboards, control panels and low-voltage distribution installations. Its internal accessory mounting design allows seamless integration with compatible ABB circuit breakers.
The ABB 1SDA066422R1 features one changeover contact (CO/SPDT) for circuit breaker open/closed indication and supports control circuits up to 250 V AC/DC. It is manufactured according to IEC standards and provides reliable status feedback for industrial electrical systems.
Auxiliary contacts such as the ABB 1SDA066422R1 provide essential feedback from circuit breakers, allowing operators and automation systems to determine breaker operating status remotely. This improves system visibility and supports advanced control strategies.
By adding electrical signalling capability to ABB Tmax XT circuit breakers, this accessory helps improve operational awareness, simplify troubleshooting and support reliable low-voltage power distribution systems.
| Voltage | 250 V |
|---|---|
| Series | SACE Tmax XT Accessories |
| Product ID | 1SDA066422R1 |
| Product type | Circuit breaker auxiliary contact accessory |
| Product main type | Accessories for Tmax XT |
| Suitable for | ABB Tmax XT1, XT2, XT3, XT4, XT5 and XT6 |
| 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 | less than 250 V AC/DC |
| Technical configuration type | Loose or configurable |
| Application | Circuit breaker position signalling and monitoring |
| Order code US and Canada | KXTAAUX |
| Standards | IEC 60947-2, UL 489 |
| 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 | 8015644692643 |
The ABB 1SDA066422R1 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, XT4, XT5 and XT6 circuit breakers.
The unit provides one changeover contact (CO/SPDT) for circuit breaker open and closed indication.
The ABB 1SDA066422R1 is rated for control circuits up to 250 V AC/DC.
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...