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Datasheet - 1SDA066440R1

COO (Country of Origin):: IT

ABB Tmax XT Series Auxiliary Contact, 2 Poles, 110mm Width - 1SDA066440R1 - 1SDA066440R1 AUX-C 2Q 400VAC XT2-XT4 F/

This auxiliary contact provides two changeover contacts for monitoring circuit-breaker status and signalling auxiliary circuits within low-voltage protection systems. Designed to attach to compatible circuit-breakers in the SACE Tmax range, it operates on AC control supplies up to 400VAC and is supplied as a fixed plug-in module for straightforward installation in industrial automation and electrical distribution panels.

Features & Benefits

• Two changeover contacts deliver independent open and closed signalling
• Rated for 400VAC operation enabling standard control-voltage integration
• Wired for circuit-breaker mounting ensuring secure electrical connection
• SPDT contact arrangement simplifies status-feedback wiring
• Compatible accessory format supports quick replacement or retrofit

Applications

• Suitable for monitoring trip and auxiliary indications on moulded-case breakers
• Ideal for integration within control panels for industrial automation
• Used with Tmax XT family breakers for status signalling and interlocks
• Can be used for ancillary control circuits in electrical distribution systems

How is the unit mounted to a circuit breaker?

It is provided as a fixed plug-in module that connects directly to the breaker accessory Interface for a retained mechanical and electrical fit.

What type of contacts does it provide for signalling?

The unit contains two changeover contacts configured as single-pole double-throw points to give both open and closed status outputs.

What documentation accompanies the product for installation?

Technical and instruction documents are available, including data sheets and manuals that cover wiring diagrams and installation guidance specific to the accessory format.

What is the packaging quantity for procurement?

Items are supplied singly with a minimum order quantity of one piece and packaged individually for storage and dispatch.

How is environmental compliance addressed?

The accessory follows current RoHS directives as indicated in the product information, reflecting restricted-substance compliance for electrical components.

Select all	Attribute	Value
	Brand	ABB
	Range	Tmax XT
	Product Type	Auxiliary Contact
	Series	Tmax XT
	Number of Poles	2
	Standards/Approvals	IEC, RoHS
	Height	60mm
	Depth	140mm
	Width	110 mm

	Select all
	Brand ABB
	Range Tmax XT
	Product Type Auxiliary Contact
	Series Tmax XT
	Number of Poles 2
	Standards/Approvals IEC, RoHS
	Height 60mm
	Depth 140mm
	Width 110 mm

ABB, Tmax XT, Tmax XT Auxiliary Contact 2-Pole