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Select all	Attribute	Value
	Brand	ABB
	Number of Contacts	2
	Product Type	Auxiliary Contact Block
	Normal State Configuration	1 NO/1 NC
	Series	CA4-11ERT
	Contact Current	4A
	Mount Type	Front
	Terminal Type	Ring Tongue Terminal
	Contact Voltage	690V
	Rated Insulation Voltage Ui	6kV
	Operational Current Ie	6A
	Mounting Location	Right, Front, Left
	Standards/Approvals	BSS 7239, ASTM E 1354, ASTM E 662, NF F 16-101 / NF F 16-102, EN 45545, ASTM E 162

	Select all
	Brand ABB
	Number of Contacts 2
	Product Type Auxiliary Contact Block
	Normal State Configuration 1 NO/1 NC
	Series CA4-11ERT
	Contact Current 4A
	Mount Type Front
	Terminal Type Ring Tongue Terminal
	Contact Voltage 690V
	Rated Insulation Voltage Ui 6kV
	Operational Current Ie 6A
	Mounting Location Right, Front, Left
	Standards/Approvals BSS 7239, ASTM E 1354, ASTM E 662, NF F 16-101 / NF F 16-102, EN 45545, ASTM E 162

Datasheet - 1SBN010155R1011

COO (Country of Origin):: PL

ABB CA4-11ERT Series Auxiliary Contact Block, 6A Contact Current, 690V Rated Insulation Voltage - 1SBN010155R1011

This auxiliary contact Block provides supplementary switching contacts for use alongside contactors in automation and electrical installations. It is designed for front mounting and can be positioned on the right, left or front of the host device to extend control logic and signal feedback capabilities. The unit is intended for applications that require discrete contact status signalling within industrial control systems.

Features and Benefits:

• 1NO1NC arrangement gives both make and break feedback
• Rated for 6A operational current supports moderate control circuits
• 690V insulation rating enables use in high-voltage panels
• Screw terminals ensure secure, tool-tight electrical connections
• 2P configuration allows switching of two poles for versatile control
• Mechanical life of 3600 cycles reduces maintenance frequency

Applications

• Suitable for adding signalling contacts to contactors in motor control panels
• Ideal for inclusion in control cabinets for building services automation
• Used with electrical safety interlocks to monitor contactor position
• Can be used for auxiliary switching in railway and rolling stock systems where standards apply

What contact arrangement does it provide for control circuits?

It offers one normally open and one normally closed contact to deliver both positive and negative switching signals for auxiliary logic.

How is the unit mounted on a contactor?

The device is designed for front mounting and can be attached on the right, left or directly to the front face of compatible contactors to align with existing terminals.

Which Terminal connection method is used for wiring?

Connections are MADE via screw-type terminals that provide a robust clamped conductor suitable for field wiring and rework.

What approvals relate to use in transport or fire-sensitive environments?

The item holds approvals that include EN45545, indicating suitability for applications requiring that specific fire-safety standard.

ABB Auxiliary Contact Block, 2 Contact, 1 NO/1 NC, CA4-11ERT, Front, 4 A, 690V, 1SBN010155R1011

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