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1SDA073759R1 ABB AUX 15Q 24V E1.2 Auxiliary Contacts
ABB 1SDA073759R1 is an AUX 15Q 24 V DC auxiliary contact assembly providing 15 change-over contacts for open and closed status signalling on compatible Emax 2 E1.2 air circuit breakers.
£404.63
Why Choose the ABB 1SDA073759R1 AUX 15Q 24V E1.2 Auxiliary Contacts?
The ABB 1SDA073759R1 is an AUX 15Q 24 V auxiliary contact assembly designed for ABB Emax 2 E1.2 air circuit breakers. Part of the ABB Emax 2 air circuit breaker accessory range, it provides additional potential-free change-over contacts for signalling and monitoring the open or closed status of the circuit breaker within electrical control and automation systems.
The AUX contacts change state according to the operating position of the circuit breaker, allowing breaker status information to be transmitted to control circuits, PLCs, indication equipment and supervisory systems. With 15 change-over contacts, the 1SDA073759R1 provides extensive signalling capacity for installations requiring multiple independent status outputs.
Designed for the ABB Emax 2 E1.2 frame, this version uses 24 V DC contacts and features spring-clamp electrical connections with side mounting. The accessory is also used with compatible ABB Tmax XT7M applications. For E1.2 installations, the appropriate mounting plate must be ordered according to the fixed or withdrawable breaker configuration.
Key Advantages
- Provides 15 auxiliary change-over contacts for comprehensive breaker-status signalling.
- Designed for ABB Emax 2 E1.2 air circuit breakers.
- 24 V DC contact version suitable for low-voltage control and automation circuits.
- Potential-free contacts provide flexible integration with external monitoring and control systems.
- Spring-clamp connections support secure and practical control wiring.
- Suitable for compatible ABB Tmax XT7M applications.
Key Features
- ABB Emax 2 AUX 15Q auxiliary contact assembly.
- 15 change-over contacts.
- 24 V DC version.
- Compatible with Emax 2 E1.2 circuit breakers.
- Provides circuit breaker open/closed status signalling.
- Spring-clamp electrical connection.
- Side-mounted accessory design.
- ABB order code 1SDA073759R1.
Reliable Circuit Breaker Status Signalling
Auxiliary contacts provide electrical indication of a circuit breaker's operating state by changing contact position as the breaker opens or closes. These potential-free contacts can be incorporated into external control, indication and automation circuits, allowing switchboard operators and control systems to monitor breaker status remotely.
The ABB 1SDA073759R1 expands the signalling capability of an Emax 2 E1.2 installation with 15 change-over contacts. Its 24 V DC configuration is particularly suitable for modern low-voltage automation and control systems where multiple breaker-status signals may be required for PLC inputs, remote indication or supervisory monitoring.
Typical Applications
- ABB Emax 2 E1.2 air circuit breaker installations.
- Open and closed circuit breaker status signalling.
- Industrial low-voltage switchboards.
- PLC and automation system status inputs.
- Remote breaker monitoring and indication systems.
- Compatible ABB Tmax XT7M circuit breaker applications.
Technical Specifications
| Series | Emax 2 |
|---|---|
| Product group | Emax 2 Air Circuit Breaker |
| Model / order code | 1SDA073759R1 |
| Type | AUX 15Q 24V E1.2 |
| Product type | Open/closed auxiliary contact assembly |
| Number of change-over contacts | 15 |
| Voltage version | 24 V DC |
| Emax 2 compatibility | E1.2 |
| Additional compatibility | Tmax XT7M |
| Electrical connection | Spring-clamp connection |
| Mounting method | Side mounting |
| Function | Circuit breaker open/closed status signalling |
| Mechanical interlock compatibility | Not compatible |
| Compartment door mechanical lock compatibility | Not compatible |
| EAN | 8015644776923 |
Frequently Asked Questions
What is the ABB 1SDA073759R1 used for?
The ABB 1SDA073759R1 is an AUX 15Q auxiliary contact assembly used to provide additional open/closed status signalling contacts for compatible ABB Emax 2 E1.2 air circuit breakers.
How many auxiliary contacts does the ABB 1SDA073759R1 provide?
The accessory provides 15 change-over contacts, allowing circuit breaker status to be communicated to multiple external control, indication and monitoring circuits.
Which ABB Emax 2 circuit breaker is compatible with the 1SDA073759R1?
The 1SDA073759R1 is designed for the ABB Emax 2 E1.2 air circuit breaker frame and is also specified for compatible Tmax XT7M applications.
What voltage version is the ABB 1SDA073759R1?
The 1SDA073759R1 is the 24 V DC version of the AUX 15Q auxiliary contact assembly.
Can the AUX 15Q be used with mechanical interlocks?
No. ABB specifies that the AUX 15Q is not compatible with mechanical locks on compartment doors or mechanical interlocks. For E1.2 installations, an appropriate mounting plate must also be selected for the fixed or withdrawable breaker configuration.
Trusted ABB Circuit Protection Technology
ABB Emax 2 auxiliary contacts provide dependable circuit breaker status signalling for industrial and commercial switchboards, supporting integration with control, indication and automation systems in modern low-voltage power distribution installations.
