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1SDA104940R1 ABB YU XT5-XT6 12 V DC Undervoltage Release
ABB 1SDA104940R1 YU XT5-XT6 12 Vdc is an uncabled 12 V DC undervoltage release designed for compatible ABB SACE Tmax XT5 and XT6 moulded-case circuit breakers.
£112.54
Why Choose the ABB YU XT5-XT6 12 V DC Undervoltage Release?
The ABB 1SDA104940R1 YU XT5-XT6 12 Vdc is an undervoltage release designed for ABB SACE Tmax XT5 and XT6 moulded-case circuit breakers. Rated for a 12 V DC control supply, it provides an electrical release function for applications where breaker operation must respond to the condition of an auxiliary control voltage.
ABB identifies the 1SDA104940R1 as the uncabled YU version. The YU undervoltage release is part of the Tmax XT remote-control accessory system and is specifically designed for the XT5-XT6 platform, providing coordinated integration with compatible circuit breaker configurations.
With its dedicated 12 V DC rating, compact accessory format and compatibility with two Tmax XT frame sizes, the 1SDA104940R1 is suitable for industrial switchboards, distribution panels and control systems requiring an ABB undervoltage release. ABB specifies the accessory to IEC 60947-2 and UL 489.
Key Advantages
- Genuine ABB SACE Tmax XT undervoltage release.
- Compatible with both XT5 and XT6 circuit breaker frames.
- Rated specifically for 12 V DC control systems.
- YU uncabled version for integration into compatible breaker installations.
- Provides an undervoltage release function for electrically controlled switchgear.
- Designed and specified as part of the ABB Tmax XT accessory system.
Key Features
- ABB SACE Tmax XT accessory range.
- YU XT5-XT6 12 Vdc product designation.
- Undervoltage release accessory.
- Designed for ABB Tmax XT5 and XT6 circuit breakers.
- Rated operating voltage of 12 V DC.
- Uncabled release configuration.
- Part of the ABB remote-control accessory family.
- Specified to IEC 60947-2 and UL 489.
Undervoltage Release Function for ABB Tmax XT5 and XT6
An undervoltage release is an electrical circuit breaker accessory used where the breaker operating state needs to be linked to an auxiliary control voltage. The YU device interfaces with the compatible breaker mechanism and provides the dedicated undervoltage-release functionality required by the installation's control arrangement.
The ABB 1SDA104940R1 provides this function for Tmax XT5 and XT6 circuit breakers and is specifically rated for a 12 V DC supply. Its uncabled configuration allows it to be incorporated into compatible ABB breaker assemblies as part of the required switchgear control design.
Typical Applications
- ABB SACE Tmax XT5 circuit breaker installations.
- ABB SACE Tmax XT6 circuit breaker installations.
- Industrial low-voltage switchboards.
- Automated electrical distribution panels.
- Remote-control circuit breaker applications.
- Control systems using a 12 V DC auxiliary supply.
Technical Specifications
| Series | SACE Tmax XT |
|---|---|
| Product ID / order code | 1SDA104940R1 |
| Product type | Undervoltage release |
| Release designation | YU |
| Version | Uncabled |
| Compatible breaker frames | XT5 / XT6 |
| Rated voltage | 12 V DC |
| Current type | DC |
| Accessory application | Remote control |
| Reference standards | IEC 60947-2, UL 489 |
| Net weight | 0.109 kg |
| EAN / GTIN | 8015644070328 |
Frequently Asked Questions
What is the ABB 1SDA104940R1?
The ABB 1SDA104940R1 is a YU undervoltage release rated for 12 V DC and designed for compatible ABB SACE Tmax XT5 and XT6 moulded-case circuit breakers.
Which ABB circuit breaker frames are compatible with the 1SDA104940R1?
The YU release is designed for both ABB SACE Tmax XT5 and XT6 circuit breaker frames.
What voltage is the ABB 1SDA104940R1 rated for?
ABB specifies the 1SDA104940R1 for a rated voltage of 12 V DC.
What does YU mean on this ABB Tmax XT accessory?
YU is ABB's designation for the undervoltage release used with compatible Tmax XT circuit breakers.
Is the ABB 1SDA104940R1 supplied as a cabled release?
No. ABB identifies the 1SDA104940R1 as the uncabled version of the YU XT5-XT6 12 V DC undervoltage release.
Which standards apply to the ABB 1SDA104940R1?
ABB specifies the 1SDA104940R1 with reference to IEC 60947-2 and UL 489.
Trusted by Switchgear Professionals Worldwide
ABB SACE Tmax XT electrical accessories are engineered for coordinated integration with compatible moulded-case circuit breakers, helping panel builders, electrical contractors and industrial engineers implement dependable control and protection functions within low-voltage power distribution systems.
