Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA038307R1 ABB Undervoltage Release 30 V AC/DC E1/6-T8
ABB 1SDA038307R1 is a 30 V AC/DC YU undervoltage release designed for compatible SACE Emax E1–E6 and SACE Tmax T8 circuit breakers.
£461.06
Why Choose the ABB 1SDA038307R1 Undervoltage Release?
The ABB 1SDA038307R1 is a reliable 30 V AC/DC undervoltage release designed for compatible ABB low-voltage circuit breakers. Part of the ABB SACE Emax accessories range, this electrical release provides automatic circuit-breaker opening when its control supply falls below the required operating level, supporting dependable protection and control within industrial power-distribution systems.
Designated as the YU undervoltage release, the accessory operates in conjunction with the circuit-breaker mechanism and requires the appropriate control voltage for normal operation. A sufficient reduction or loss of the control voltage causes the undervoltage release to act on the breaker mechanism, making it suitable for applications where automatic disconnection is required following a control-supply failure.
The 1SDA038307R1 has a rated control voltage of 30 V AC/DC and is suitable for ABB E1, E2, E3, E4 and E6 SACE Emax circuit breakers as well as the SACE Tmax T8. This combination of AC/DC operation and broad breaker compatibility makes it a practical accessory for industrial switchgear, distribution panels and automated power-control systems.
Key Advantages
- Provides automatic circuit-breaker opening following undervoltage or loss of control voltage.
- 30 V AC/DC rated control voltage for flexible control-system integration.
- Suitable for multiple ABB SACE Emax E1–E6 circuit breakers.
- Compatible with the ABB SACE Tmax T8 circuit-breaker platform.
- Supports fail-safe control schemes requiring disconnection following control-supply failure.
- Genuine ABB accessory designed for compatible circuit-breaker operating mechanisms.
Key Features
- ABB YU undervoltage release.
- 30 V AC/DC rated control voltage.
- Suitable for both compatible AC and DC control supplies.
- Designed for automatic opening of a compatible circuit breaker following undervoltage.
- Suitable for E1, E2, E3, E4, E6 and T8 breaker types.
- Compatible with SACE Emax and SACE Tmax T product classes.
- Loose or configurable accessory configuration.
- Designed for industrial switchboards and power-distribution control systems.
Reliable Undervoltage Protection for Circuit-Breaker Systems
An undervoltage release provides an important control and protection function by acting on a compatible circuit breaker when the release supply voltage falls sufficiently or is lost. This allows the breaker to disconnect the associated circuit during specified control-voltage failure conditions and supports electrical systems where continued operation without the required control supply is undesirable.
With its 30 V AC/DC operating rating, the ABB 1SDA038307R1 offers flexibility for installations using either suitable AC or DC control circuits. Its compatibility with ABB SACE Emax E1–E6 and SACE Tmax T8 circuit breakers makes it particularly suitable for industrial switchboards, power-distribution equipment and automated circuit-breaker control systems.
Typical Applications
- ABB SACE Emax E1–E6 circuit-breaker installations.
- ABB SACE Tmax T8 circuit-breaker systems.
- Industrial low-voltage switchboards and distribution panels.
- Undervoltage and loss-of-control-voltage protection schemes.
- Electrical safety and isolation systems.
- Industrial automation and power-management installations.
- Remote and automated circuit-breaker control systems.
Technical Specifications
| Product group | 310513-New Emax |
|---|---|
| Model / description | UNDER VOLTAGE RELEASE 30V E1/6-T8 |
| ABB order code | 1SDA038307R1 |
| Product type | Undervoltage release |
| Release designation | YU |
| Function | Circuit-breaker opening following undervoltage or loss of control voltage |
| Rated control voltage | 30 V AC/DC |
| Current type | AC/DC |
| Suitable for | E1, E2, E3, E4, E6, T8 |
| Suitable product classes | SACE Emax, SACE Tmax T |
| Configuration type | Loose or configurable |
| Standard | IEC |
| Product net weight | 1 kg |
| Minimum order quantity | 1 piece |
| EAN | 8015644383077 |
| Customs tariff number | 85389099 |
Frequently Asked Questions
What is the ABB 1SDA038307R1 used for?
The ABB 1SDA038307R1 is an undervoltage release used with compatible ABB circuit breakers to initiate opening when its control voltage falls sufficiently or is lost.
What voltage does the ABB 1SDA038307R1 require?
The undervoltage release has a rated control voltage of 30 V AC/DC.
Which ABB circuit breakers are compatible with the 1SDA038307R1?
The accessory is suitable for ABB E1, E2, E3, E4 and E6 SACE Emax circuit breakers and the SACE Tmax T8.
Is the ABB 1SDA038307R1 suitable for AC and DC control circuits?
Yes. The release is rated for 30 V AC/DC, allowing operation from a suitable 30 V AC or DC control supply.
Where is the ABB 1SDA038307R1 typically used?
It is typically used in industrial switchboards, power-distribution panels and control systems requiring circuit-breaker opening following an undervoltage or control-supply failure.
Trusted ABB Circuit-Breaker Accessories
ABB SACE circuit-breaker accessories provide engineered control and protection functions for industrial low-voltage switchgear, supporting dependable operation of power-distribution systems and electrically controlled circuit breakers.
