ABB CA5-10 1SBN010010R1010 Auxiliary Contact Module_ABB PLC

Product Introduction and Auxiliary Switching Function

The ABB CA5-10 1SBN010010R1010 is a small but important component in industrial motor-control systems. Its primary purpose is not to switch the motor's main power circuit, but to provide an additional electrical contact that can be used by the surrounding automation and control system.

This distinction makes auxiliary contacts extremely useful in industrial equipment. For example, when a contactor is energized, its auxiliary contact can provide a confirmation signal to a PLC or relay circuit. The same signal can also be used to control an indicator lamp, establish an electrical interlock, or permit the next stage of an automated sequence.

The CA5-10 uses a front-mounted design, allowing it to be fitted directly to compatible ABB contactors. This eliminates the need for a separate auxiliary relay when only an additional contact is required.

Its normally open configuration is particularly suitable for status-feedback applications. When the associated contactor operates, the auxiliary circuit can respond accordingly, allowing the control system to determine whether the expected contactor state has been achieved.

For industrial maintenance departments, the CA5-10 is also an attractive replacement component because auxiliary contacts are exposed to repeated switching cycles throughout the service life of a motor-control system. Contact wear, contamination, mechanical damage, or loose connections can eventually affect the reliability of the auxiliary circuit.

Replacing the auxiliary module rather than the complete contactor can provide a practical and cost-effective maintenance solution when the primary contactor remains in good working condition.

Technical Specifications

Parameter	Specification
Brand	ABB
Model	CA5-10
Product ID	1SBN010010R1010
Product Type	Auxiliary Contact Module
Contact Type	Normally Open (N.O.)
Number of Auxiliary Contacts	1
Number of Poles	1 Pole
Contact Operation	Instantaneous
Mounting Type	Front Mounting
Terminal Type	Screw Terminals
Auxiliary Circuit Rated Insulation Voltage	690 V
Rated Frequency	50 / 60 Hz
Rated Operational Current AC-15 at 24 / 127 V	6 A
Rated Operational Current AC-15 at 220 / 240 V	4 A
Rated Operational Current AC-15 at 380 / 440 V	3 A
Rated Operational Current AC-15 at 500 V	2 A
Rated Operational Current AC-15 at 690 V	2 A
Rated Operational Current DC-13 at 24 V	6 A
Rated Operational Current DC-13 at 48 V	2.8 A
Rated Operational Current DC-13 at 72 V	1 A
Rated Operational Current DC-13 at 125 V	0.55 A
Dimensions	47 × 11 × 32.5 mm
Weight	0.01 kg (0.03 lb)
Application	Contactor Auxiliary Control
Installation	Industrial Control Cabinet

The supplied weight of 0.012 kg is rounded to 0.01 kg when expressed to two decimal places, while the corresponding imperial value is 0.03 lb. The extremely compact form factor makes this component particularly convenient for applications requiring additional auxiliary functionality without significant cabinet-space requirements.

Recommended Related ABB Models

Model	Product Description	Typical Relationship
ABB CA5-01 1SBN010010R1001	Auxiliary Contact Module	N.C. configuration for related applications
ABB CC5-10 1SBN010011R1010	Auxiliary Contact Module	Related N.O. auxiliary contact
ABB CC5-01 1SBN010011R1001	Auxiliary Contact Module	Related N.C. auxiliary contact
ABB CA5-22E 1SBN010040R1022	Auxiliary Contact Module	Multi-contact configuration
ABB CA5-31E 1SBN010040R1031	Auxiliary Contact Module	Expanded auxiliary-contact solution
ABB CA5-40E 1SBN010040R1040	Auxiliary Contact Module	Multiple N.O. auxiliary contacts

The correct auxiliary-contact configuration should be selected according to the installed ABB contactor, required contact arrangement, and control-circuit design.

Popular Related Models for Motor Control

Model	Product Description	Application
ABB CA5-10 1SBN010010R1010	1 N.O. Auxiliary Contact Module	Contactor feedback and control
ABB CA5-01 1SBN010010R1001	1 N.C. Auxiliary Contact Module	Interlocking and control
ABB CC5-10 1SBN010011R1010	1 N.O. Auxiliary Contact Module	Auxiliary switching
ABB CC5-01 1SBN010011R1001	1 N.C. Auxiliary Contact Module	Auxiliary control circuits
ABB CA5-22E 1SBN010040R1022	4-Pole Auxiliary Contact Module	Multi-contact control
ABB CA5-31E 1SBN010040R1031	4-Pole Auxiliary Contact Module	Control and signaling
ABB CA5-40E 1SBN010040R1040	4-Pole Auxiliary Contact Module	Multiple N.O. contacts

The ABB CA5-10 1SBN010010R1010 Auxiliary Contact Module is a compact and practical solution for expanding the auxiliary functionality of compatible ABB contactors. With its front-mounted configuration, normally open contact arrangement, screw terminals, and space-saving design, it is well suited to industrial motor-control, automation, feedback, and maintenance applications.

Applications and Control System Integration

The ABB CA5-10 1SBN010010R1010 Auxiliary Contact Module is a compact auxiliary switching component designed for use with compatible ABB contactors and contactor relays. It adds an additional normally open auxiliary contact to the contactor, allowing the switching status of the main device to be incorporated into control, monitoring, interlocking, and signaling circuits.

In industrial motor-control systems, the main contactor handles the primary switching task, while an auxiliary contact can provide important information to the surrounding control circuit. This makes the CA5-10 useful in applications where a PLC, relay circuit, indicator, or interlocking system needs to respond to the operating condition of the contactor.

The CA5-10 is a 1-pole, front-mounted auxiliary contact module with one normally open contact. Its compact design makes it particularly suitable for control cabinets where installation space is limited.

Typical applications include:

Motor starter control panels
Industrial automation systems
Contactor status feedback
PLC control circuits
Electrical interlocking
Motor control equipment
Machine automation panels
Industrial signaling systems
Contactor sequencing
Replacement and maintenance applications

For maintenance engineers, the CA5-10 offers a convenient way to restore an auxiliary contact function without replacing the complete contactor assembly.

Key Advantages for Industrial Applications

Compact auxiliary switching solution
The CA5-10 occupies very little space while providing an additional auxiliary contact, making it useful for compact control cabinets and densely arranged motor-control equipment.

One normally open contact
The module provides a straightforward 1 N.O. auxiliary contact for control and monitoring functions. This configuration is useful when a contactor's operating state needs to be transferred to another part of the control circuit.

Front-mounted installation
The front-mounting arrangement allows the auxiliary block to be installed directly onto compatible contactors, creating a clean and integrated assembly.

Instantaneous contact operation
The auxiliary contact operates instantaneously with the associated contactor, making it suitable for applications requiring immediate contactor-status feedback.

Screw-terminal connection
Screw terminals provide a familiar wiring method for industrial electricians and maintenance personnel. They also make inspection and servicing relatively straightforward.

Broad contactor application range
The CA5-10 is designed for use with compatible ABB contactor and contactor-relay families, allowing one auxiliary-contact solution to support a wide range of motor-control configurations.

Excellent spare-part value
Auxiliary contacts are relatively small components, but their failure can affect machine sequencing, interlocks, feedback signals, and operator indications. Keeping the correct replacement available can help reduce unnecessary production downtime.

Technical FAQs: Auxiliary Contact Module

1. What is the ABB CA5-10 1SBN010010R1010 used for?
The CA5-10 is used to provide an additional auxiliary switching contact for compatible ABB contactors and contactor relays. It can be incorporated into control, monitoring, signaling, and interlocking circuits.

2. How many auxiliary contacts does the CA5-10 provide?
The CA5-10 provides one normally open auxiliary contact. It is a 1-pole auxiliary contact configuration.

3. Is the CA5-10 normally open or normally closed?
The CA5-10 is a normally open (N.O.) auxiliary contact. The contact changes state when the associated contactor operates.

4. Where is the CA5-10 mounted?
The module is designed for front mounting on compatible ABB contactors and contactor relays. It is not intended to operate as an independent panel-mounted contactor.

5. Can the CA5-10 be connected to a PLC input?
Yes, when the PLC input circuit and electrical ratings are compatible. The auxiliary contact can be used to provide an indication of contactor status to a PLC or other control device.

6. Can the CA5-10 switch the main motor current?
No. The CA5-10 is an auxiliary contact module and is intended for auxiliary control and signaling circuits. It should not be used as a substitute for the main power contacts of a motor contactor.

7. What are common symptoms of a defective auxiliary contact?
Typical symptoms can include missing contactor feedback, incorrect status indication, failed interlocking, unexpected PLC input states, or a control sequence that does not progress correctly.

8. How should an auxiliary contact fault be diagnosed?
First inspect the module, mounting position, terminals, and wiring. After safely isolating the equipment as required, the contact can be electrically tested to confirm that it changes state correctly when the associated contactor operates.

9. Can the CA5-10 be replaced with another auxiliary contact block?
Only if the replacement has the correct contact arrangement, mounting configuration, electrical characteristics, and compatibility with the installed ABB contactor. A similar-looking auxiliary block should not automatically be considered an equivalent.

10. Does replacing the CA5-10 require changes to the control program?
Normally, a direct replacement does not require PLC-program changes. However, the complete control circuit should be tested after installation to confirm that the expected auxiliary signal is correctly received and interpreted.

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