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1SDA073694R1 ABB YU E1.2..E6.2 24 VAC/DC Undervoltage Release
ABB YU E1.2..E6.2 24 VAC/DC undervoltage release accessory for automatic opening control of Emax 2 air circuit breakers.
£167.05
Why Choose the ABB YU E1.2..E6.2 24 VAC/DC Undervoltage Release?
The ABB YU E1.2..E6.2 24 VAC/DC is a reliable undervoltage release accessory designed for ABB low voltage air circuit breakers. As part of the advanced ABB SACE Emax 2 accessory range, it provides automatic circuit breaker opening when the control voltage falls below the permitted level, helping protect electrical systems against abnormal supply conditions.
This undervoltage release accessory is designed for integration with ABB Emax 2 circuit breakers and enables safety-related tripping functions in industrial and commercial power distribution applications. It supports automated protection schemes where circuit interruption is required during voltage loss, voltage reduction or control circuit failure.
With a rated control voltage of 24 V AC/DC, the ABB YU E1.2..E6.2 24 VAC/DC provides a compact and effective solution for adding undervoltage protection functionality to compatible ABB E1.2, E2.2, E4.2 and E6.2 Emax 2 air circuit breakers.
Key Advantages
- Dedicated ABB Emax 2 undervoltage release accessory.
- 24 V AC/DC control voltage for low voltage control systems.
- Provides automatic circuit breaker opening during undervoltage conditions.
- Compatible with ABB Emax 2 E1.2, E2.2, E4.2 and E6.2 frame sizes.
- Supports safety, protection and automated switching applications.
- Compact accessory design for straightforward breaker integration.
Key Features
- ABB SACE Emax 2 accessory.
- Undervoltage release (YU) function.
- 24 V AC/DC rated control voltage.
- Suitable for E1.2, E2.2, E4.2 and E6.2 Emax 2 air circuit breakers.
- Enables automatic breaker tripping when control voltage is insufficient.
- AC/DC current compatibility.
- Designed for integration with ABB modular circuit breaker accessories.
- IEC-compliant accessory solution for low voltage protection systems.
Reliable Protection for Power Distribution Systems
Undervoltage releases provide an important protection function by monitoring the control supply voltage of a circuit breaker. When the voltage drops below the operating threshold, the ABB YU release initiates breaker opening to help prevent unsafe operating conditions.
The ABB Emax 2 accessory platform provides modular solutions that extend circuit breaker functionality. These accessories allow engineers to configure advanced protection, automation and safety systems for modern electrical networks and industrial installations.
Typical Applications
- Industrial low voltage switchboards.
- Safety-related circuit breaker tripping systems.
- Automatic protection and control installations.
- Power distribution panels.
- Industrial automation systems.
- Critical electrical infrastructure applications.
Technical Specifications
| Product group | Emax2 Air Circuit Breaker accessories |
|---|---|
| Series | SACE Emax 2 |
| Order code | 1SDA073694R1 |
| Product type | Undervoltage release accessory |
| Accessory function | Automatic circuit breaker opening under undervoltage conditions |
| Rated voltage | 24 V AC/DC |
| Current type | AC/DC |
| Compatible circuit breakers | ABB E1.2, E2.2, E4.2 and E6.2 Emax 2 |
| Installation | Internal circuit breaker accessory |
| Standards | IEC |
Frequently Asked Questions
What is the ABB YU E1.2..E6.2 24 VAC/DC used for?
This accessory provides undervoltage protection by opening compatible ABB Emax 2 air circuit breakers when the control voltage falls below the required level.
What voltage does this undervoltage release operate at?
The ABB YU E1.2..E6.2 24 VAC/DC operates with a rated control voltage of 24 V AC/DC.
Which circuit breakers are compatible with this accessory?
This undervoltage release is suitable for ABB E1.2, E2.2, E4.2 and E6.2 Emax 2 circuit breakers.
What type of accessory is this?
The product is an undervoltage release used to automatically open a circuit breaker during insufficient control voltage conditions.
Where is this accessory installed?
The accessory is installed internally within compatible ABB circuit breakers as part of a low voltage power distribution protection system.
Trusted by Power Distribution Engineers Worldwide
ABB Emax 2 accessories are widely used by electrical engineers and system designers to enhance circuit breaker functionality, automation and operational safety in modern power distribution systems.
