AUX-C T4-T5-T6 3Q 1SY 24 Vdc

AUX-C T4-T5-T6 3Q 1SY 24 Vdc

ABB 1SDA054915R1 AUX-C T4-T5-T6 3Q 1SY 24 Vdc auxiliary contact accessory for ABB SACE Tmax T4, T5 and T6 moulded case circuit breakers, providing 3 changeover contacts for open-closed indication and 1 changeover contact for tripped indication.

SKU: 1SDA054915R1Alt SKU: AUX-C T4-T5-T6 3Q 1SY 24 VdcMPN: 1SDA054915R1
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£110.73

Why Choose the ABB 1SDA054915R1 AUX-C T4-T5-T6 Auxiliary Contact?

The ABB 1SDA054915R1 is a reliable auxiliary contact accessory designed for ABB SACE Tmax T4, T5 and T6 moulded case circuit breakers. This accessory provides additional electrical signalling capability by monitoring circuit breaker status and transmitting open/closed and trip indication signals to control systems.

Designed for industrial power distribution and automation applications, the AUX-C T4-T5-T6 3Q 1SY 24 Vdc module includes multiple changeover contacts for flexible status monitoring. It allows engineers to integrate ABB Tmax circuit breakers into modern control panels, automation systems and energy management solutions.

The ABB 1SDA054915R1 features three changeover contacts for open/closed indication and one changeover contact for trip indication, with a 24 V DC wired configuration. It is suitable for ABB Tmax T4, T5 and T6 circuit breaker installations where reliable remote status feedback is required.

Key Advantages

  • Designed specifically for ABB Tmax T4, T5 and T6 moulded case circuit breakers.
  • Provides reliable remote circuit breaker status monitoring.
  • Includes multiple changeover contacts for flexible control applications.
  • 24 V DC wired operation for industrial automation systems.
  • Supports integration with PLCs, control panels and monitoring systems.
  • Compact accessory design simplifies circuit breaker functionality expansion.

Key Features

  • ABB SACE Tmax T series accessory.
  • 3 changeover contacts for open/closed indication.
  • 1 changeover contact for trip indication.
  • 24 V DC wired auxiliary contact configuration.
  • Compatible with T4, T5 and T6 circuit breakers.
  • IEC compliant accessory design.
  • Suitable for industrial electrical distribution systems.

Enhanced Circuit Breaker Monitoring and Control

Auxiliary contacts such as the ABB 1SDA054915R1 provide essential feedback signals in electrical distribution systems. By communicating breaker status information, they enable remote monitoring, automation control and improved operational awareness.

The accessory is commonly used in industrial switchboards, automation panels and energy management systems where accurate circuit breaker position and trip information is required. Its compatibility with ABB Tmax T series breakers ensures seamless integration into existing ABB low-voltage protection solutions.

Typical Applications

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

Technical Specifications

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Coil Type DC
Coil Voltage Range 24 V
Device Type Auxiliary contact block
Series SACE Tmax T Accessories
Product ID 1SDA054915R1
Product type Circuit breaker auxiliary contact accessory
Product main type Accessories for Tmax T
Suitable for ABB Tmax T4, T5 and T6
Suitable product class SACE Tmax T
Auxiliary contact configuration 3 changeover contacts open-closed + 1 changeover tripped indication
Number of auxiliary contacts CO / SPDT 4
Control / signalling voltage 24 V DC
Technical configuration type Loose or configurable
Order code US and Canada KT5AS3-AU
Standards IEC
Customs tariff number 85389099
Product net weight 0.225 kg
Package dimensions (W × H × D) approx. 110 × 60 × 140 mm
Package gross weight approx. 0.237 kg
EAN 8015644560447

Frequently Asked Questions

What is the ABB 1SDA054915R1 used for?

The ABB 1SDA054915R1 is an auxiliary contact accessory used with Tmax T4, T5 and T6 circuit breakers to provide remote status and trip indication signals.

Which circuit breakers are compatible with this accessory?

This auxiliary contact module is designed for ABB SACE Tmax T4, T5 and T6 moulded case circuit breakers.

What voltage does the auxiliary contact operate at?

The ABB 1SDA054915R1 uses a 24 V DC wired configuration.

How many contacts are included?

The unit includes three changeover contacts for open/closed indication and one changeover contact for trip indication.

Where is this accessory installed?

The unit is installed inside compatible ABB Tmax circuit breakers as an internal auxiliary signalling accessory.

Trusted by Industrial Electrical Professionals Worldwide

ABB Tmax accessories are widely used by engineers and electrical professionals to enhance circuit breaker monitoring, automation integration and reliable low-voltage power distribution.