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1SDA073679R1 ABB YO E1.2..E6.2 480-500 Vac Shunt Opening Release
ABB 1SDA073679R1 YO is a 480–500 V AC shunt opening release designed for remote electrical opening of compatible SACE Emax 2 E1.2–E6.2 circuit breakers.
£167.05
Why Choose the ABB YO E1.2..E6.2 480-500 Vac Shunt Opening Release?
The ABB YO E1.2..E6.2 480-500 Vac, order code 1SDA073679R1, is a 480–500 V AC shunt opening release designed for remote electrical opening of compatible ABB low-voltage circuit breakers. Part of the accessory range for ABB SACE Emax 2, it provides a manufacturer-engineered solution for electrically tripping E1.2, E2.2, E4.2 and E6.2 circuit breakers from an external control circuit.
The YO opening release operates the circuit breaker's opening mechanism when the specified control voltage is applied. This enables remote tripping from control panels, automation systems, emergency circuits and supervisory equipment, making it a useful accessory for switchboards and power distribution installations where electrical opening of the breaker is required.
Designed for a 480–500 V AC control supply, the 1SDA073679R1 is intended for higher-voltage AC control circuits. Its dedicated ABB design supports reliable integration with compatible SACE circuit breakers while retaining the flexibility and remote-control capabilities required in industrial and infrastructure electrical systems.
Key Advantages
- Genuine ABB YO shunt opening release for compatible circuit breakers.
- 480–500 V AC control voltage for higher-voltage AC control circuits.
- Provides remote electrical opening of the circuit breaker.
- Suitable for ABB SACE Emax 2 E1.2 through E6.2 circuit breakers.
- Supports integration with remote control, automation and emergency opening circuits.
- Purpose-designed accessory for dependable operation with ABB low-voltage switchgear.
- Suitable for industrial, commercial and infrastructure power distribution systems.
Key Features
- ABB YO shunt opening release.
- 480–500 V AC rated control supply.
- Designed as an opening or switch-off release.
- Electrical actuation of the circuit-breaker opening mechanism.
- Suitable for E1.2, E2.2, E4.2 and E6.2 Emax 2 circuit breakers.
- Designed for remote breaker control applications.
- ABB-engineered accessory for SACE low-voltage circuit breakers.
Reliable Remote Circuit Breaker Opening
A shunt opening release allows a circuit breaker to be opened electrically from a remote location. Applying the specified control voltage energises the YO release and actuates the breaker opening mechanism, enabling the circuit breaker to respond to external switches, relays, automation equipment or emergency control systems.
The ABB 1SDA073679R1 is specifically configured for 480–500 V AC control circuits and compatible Emax 2 circuit breakers. This makes it suitable for switchgear installations where remote opening must be integrated directly into higher-voltage AC control and protection schemes.
Typical Applications
- Remote opening of ABB SACE Emax 2 air circuit breakers.
- Low-voltage power distribution switchboards.
- Industrial electrical control and automation systems.
- Emergency circuit-breaker opening circuits.
- Commercial and infrastructure electrical installations.
- Power distribution systems using 480–500 V AC control circuits.
Technical Specifications
| Series | SACE Emax 2 Accessories |
|---|---|
| ABB order code | 1SDA073679R1 |
| Product type | Shunt opening release |
| Accessory function | Remote circuit-breaker opening |
| Rated control supply voltage | 480–500 V AC |
| Actuating voltage type | AC |
| Switch-off / opening release | Yes |
| Compatible Emax 2 sizes | E1.2, E2.2, E4.2, E6.2 |
| Product family | SACE Emax 2 |
Frequently Asked Questions
What is the ABB 1SDA073679R1 used for?
It is a shunt opening release designed to electrically open compatible ABB circuit breakers from a remote control circuit.
What control voltage does the ABB 1SDA073679R1 require?
The YO opening release is designed for a 480–500 V AC control supply.
Which Emax 2 circuit breakers are compatible with this opening release?
The accessory is designed for ABB SACE Emax 2 E1.2, E2.2, E4.2 and E6.2 circuit breakers.
Is the ABB 1SDA073679R1 an opening or closing release?
It is an opening release, commonly referred to as a shunt opening or switch-off release, used to trip the circuit breaker electrically.
Where is the ABB YO 1SDA073679R1 typically used?
It is typically used in switchboards, industrial control systems, remote switching installations and emergency opening circuits requiring 480–500 V AC control.
Trusted Circuit Breaker Accessories from ABB
ABB SACE Emax 2 accessories provide purpose-designed control and signalling functions for low-voltage circuit breakers, supporting reliable remote operation and integration into modern industrial, commercial and infrastructure power distribution systems.
