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.
1SDA062039R1 ABB T7D-M 1250 1250 A 4-Pole Switch-Disconnector
ABB 1SDA062039R1 T7D-M 1250 fixed four-pole 1250 A switch-disconnector with front terminals, 20 kA short-time withstand capability and a stored-energy operating mechanism for low-voltage power switching and isolation.
£5,493.62
Why Choose the ABB T7D-M 1250 1SDA062039R1 Switch-Disconnector?
The ABB 1SDA062039R1 is a Tmax T7D 1250 switch-disconnector designed for reliable switching and isolation in high-current low-voltage power distribution systems. This four-pole unit has a rated uninterrupted current of 1250 A and combines a fixed installation with front terminals and a stored-energy operating mechanism for dependable integration into industrial switchboards.
As part of the ABB SACE Tmax T7 range, the T7D is designed as a non-automatic switch-disconnector for applications where reliable circuit switching and isolation are required. Its four-pole configuration enables simultaneous switching of four conductors, making it particularly suitable for three-phase distribution systems where switching of the neutral conductor is required.
The T7D 1250 4p F F M configuration combines four poles, fixed mounting, front terminals and a stored-energy mechanism. With a 1250 A current rating and a rated short-time withstand current (Icw) of 20 kA, it provides a robust isolation solution for demanding industrial and commercial electrical distribution installations.
Key Advantages
- High-current 1250 A switch-disconnector for demanding power distribution applications.
- Four-pole configuration enables switching and isolation of four conductors.
- Fixed mounting provides straightforward integration into low-voltage switchboards.
- Front terminals facilitate connection to busbars and power conductors.
- Stored-energy operating mechanism provides controlled switching operation.
- 20 kA short-time withstand current (Icw) supports demanding distribution installations.
Key Features
- ABB Tmax T7D 1250 switch-disconnector.
- 1250 A rated uninterrupted current.
- Four-pole configuration.
- Fixed installation arrangement.
- Front terminal connections.
- Stored-energy operating mechanism.
- 20 kA rated short-time withstand current (Icw).
- Non-automatic switching and isolation device.
- Suitable for high-current low-voltage distribution systems.
- Part of the ABB Tmax T4–T8 product family.
Reliable Four-Pole Power Isolation and Switching
Switch-disconnectors provide a dependable means of switching and isolating electrical circuits while leaving overcurrent protection to appropriately coordinated protective devices. The ABB T7D-M 1250 is designed for high-current installations where reliable isolation and robust switching performance are required as part of a low-voltage distribution system.
The four-pole configuration makes the 1SDA062039R1 particularly useful in three-phase systems requiring neutral switching. Its fixed construction, front terminals and stored-energy mechanism support integration into industrial switchboards, distribution assemblies and other high-current electrical installations.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-main electrical distribution systems.
- Four-pole three-phase distribution circuits requiring neutral switching.
- Manufacturing and process-industry power systems.
- Commercial and infrastructure electrical distribution.
- OEM switchgear and power distribution assemblies.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062039R1 |
| Product type | Switch-disconnector |
| Frame | T7 |
| Rated uninterrupted current | 1250 A |
| Number of poles | 4 |
| Rated short-time withstand current (Icw) | 20 kA |
| Mounting type | Fixed |
| Terminal connection | Front terminals |
| Operating mechanism | Stored energy / pushbutton operated |
| Application | Low-voltage power switching and isolation |
| ABB product group | 310511-T-Max T4 - T8 |
Frequently Asked Questions
What is the ABB 1SDA062039R1 used for?
The ABB 1SDA062039R1 is a Tmax T7D 1250 switch-disconnector designed for switching and isolating high-current circuits in low-voltage power distribution systems.
What is the current rating of the ABB T7D-M 1250?
The T7D-M 1250 has a rated uninterrupted current of 1250 A.
How many poles does the ABB 1SDA062039R1 have?
The 1SDA062039R1 is a four-pole switch-disconnector, making it suitable for applications requiring simultaneous switching and isolation of four conductors.
What is the short-time withstand rating of the 1SDA062039R1?
The ABB T7D-M 1250 has a rated short-time withstand current (Icw) of 20 kA.
What mounting and operating configuration does the 1SDA062039R1 use?
It is a fixed switch-disconnector with front terminals and a stored-energy operating mechanism, designed for integration into low-voltage switchboards and distribution assemblies.
Trusted by Switchboard Builders Worldwide
ABB SACE Tmax switch-disconnectors are widely used in low-voltage power distribution systems to provide dependable switching and isolation, helping switchboard builders and electrical professionals create robust industrial and commercial distribution assemblies.
