AUX 1Q 24Vdc XT1...XT4

AUX 1Q 24Vdc XT1…XT4

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.

SKU: 1SDA066423R1Alt SKU: AUX 1Q 24Vdc XT1...XT4MPN: 1SDA066423R1
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List Price £32.00 ex VAT
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Manufacturer Lead Time Estimated Delivery 4 - 5 Days
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Manufacturer Lead Time

£24.00

Why Choose the ABB 1SDA066423R1 AUX 1Q 24Vdc XT1-XT4 Auxiliary Contact?

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.

Key Advantages

  • Designed for ABB Tmax XT1-XT4 moulded case circuit breakers.
  • Provides reliable remote circuit breaker open/closed monitoring.
  • 24 V DC operation suitable for industrial control systems.
  • Single changeover contact provides flexible signalling capability.
  • Compact internal accessory design simplifies installation.
  • Supports automation, switchgear and power distribution applications.

Key Features

  • ABB SACE Tmax XT accessory.
  • AUX 1Q 24Vdc XT1...XT4 configuration.
  • 1 changeover contact for open/closed indication.
  • 24 V DC control voltage.
  • Compatible with Tmax XT1, XT2, XT3 and XT4 breakers.
  • Internal auxiliary contact mounting.
  • IEC compliant accessory design.

Enhanced Circuit Breaker Monitoring and Control

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.

Typical Applications

  • Industrial electrical distribution panels.
  • Automation and control cabinets.
  • Motor control centres (MCCs).
  • PLC monitoring and interlock circuits.
  • Power management systems.
  • Industrial protection and switching installations.

Technical Specifications

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Coil Type DC
Coil Voltage Range 24 V
Device Type Auxiliary contact block
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

Frequently Asked Questions

What is the ABB 1SDA066423R1 used for?

The ABB 1SDA066423R1 is an auxiliary contact accessory used with Tmax XT circuit breakers to provide remote open/closed status indication.

Which circuit breakers are compatible with this accessory?

This auxiliary contact is compatible with ABB SACE Tmax XT1, XT2, XT3 and XT4 moulded case circuit breakers.

What contact configuration does this accessory provide?

The unit provides one changeover contact (CO/SPDT) for circuit breaker open and closed indication.

What voltage does the auxiliary contact operate at?

The ABB 1SDA066423R1 operates with a 24 V DC control supply.

Where is this accessory installed?

The accessory is installed internally within compatible ABB Tmax XT circuit breakers.

Trusted by Industrial Electrical Professionals Worldwide

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.