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.
1SDA073394R1 ABB E1.2B/MS 800 3p F F Switch Disconnector
ABB 1SDA073394R1 Emax 2 E1.2B/MS 800 is an 800 A three-pole fixed switch disconnector with front terminals for dependable switching and isolation in low-voltage applications up to 690 V AC.
£3,361.97
Why Choose the ABB E1.2B/MS 800 3p F F Switch Disconnector?
The ABB E1.2B/MS 800 3p F F, order code 1SDA073394R1, is a fixed SACE Emax 2 switch disconnector engineered for dependable switching and isolation in low-voltage power-distribution systems. Based on ABB's compact E1.2 frame, this three-pole unit combines an 800 A rated uninterrupted current, B performance level and fixed installation with front main-circuit terminals.
The E1.2B/MS is a switch-disconnector rather than an Emax 2 circuit breaker equipped with an Ekip protection trip unit. It is therefore intended primarily for circuit switching and isolation, providing a clearly defined disconnection function within suitably protected switchboards while upstream or associated protective devices provide overcurrent and short-circuit protection.
Designed for fixed applications up to 690 V AC, the E1.2B/MS 800 provides a rated short-time withstand current of 42 kA for 1 s. Its compact E1.2 construction, three-pole arrangement and front terminals make it particularly suitable for industrial, commercial and infrastructure switchboards where robust 800 A isolation is required.
Key Advantages
- 800 A Emax 2 switch disconnector for low-voltage power-distribution applications.
- Three-pole configuration for three-phase switching and isolation.
- Fixed installation provides a straightforward permanent switchboard arrangement.
- Front main-circuit terminals support convenient switchboard integration.
- 42 kA short-time withstand current for 1 s for demanding distribution applications.
- Designed for fixed installations operating at up to 690 V AC.
- Compact E1.2 frame helps optimise space within low-voltage switchboards.
Key Features
- ABB SACE Emax 2 E1.2B/MS series.
- 800 A rated uninterrupted current.
- 3-pole configuration.
- Switch-disconnector function.
- B performance level.
- Fixed mounting version.
- Front terminal connection.
- 42 kA rated short-time withstand current for 1 s.
- Suitable for fixed applications up to 690 V AC.
- Designed for switching and isolation rather than integral electronic overcurrent protection.
- Compact E1.2 frame construction.
- Part of ABB's SACE Emax 2 low-voltage switching platform.
Reliable Switching and Isolation for Power Distribution
Switch disconnectors provide a defined means of switching and isolating circuits within low-voltage distribution systems. The ABB E1.2B/MS 800 combines an 800 A current rating with the robust SACE Emax 2 architecture, making it suitable for switchboard positions where dependable switching and isolation are required without an integral electronic overcurrent trip unit.
Its 42 kA short-time withstand rating for 1 s allows the device to withstand substantial fault current for the specified duration while the associated protective system clears the fault. Combined with fixed mounting, front terminals and the compact E1.2 frame, the 1SDA073394R1 provides a practical isolation solution for industrial, commercial and infrastructure distribution assemblies.
Typical Applications
- Main and sectional isolation in low-voltage switchboards.
- Industrial power-distribution systems.
- Transformer secondary distribution assemblies.
- Manufacturing and process-industry switchboards.
- Commercial building electrical distribution.
- Infrastructure and utility distribution panels.
- Generator and auxiliary power-distribution systems.
- Three-phase feeders requiring fixed 800 A switching and isolation.
Technical Specifications
| Series | SACE Emax 2 E1.2 |
|---|---|
| ABB order code | 1SDA073394R1 |
| EAN | 8015644772444 |
| Product type | Switch disconnector |
| Frame | E1.2 |
| Performance level | B |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Installation | Fixed |
| Terminal connection | Front |
| Maximum application voltage | 690 V AC |
| Rated short-time withstand current (Icw), 1 s | 42 kA |
| Rated short-time withstand current (Icw), 3 s | 24 kA |
| Width | 210 mm |
| Height | 296 mm |
| Net weight | 14 kg |
| Integral electronic trip unit | No |
| Mounting arrangement | Fixed switchboard installation |
Frequently Asked Questions
What is the ABB 1SDA073394R1?
The ABB 1SDA073394R1 is a SACE Emax 2 E1.2B/MS fixed three-pole switch disconnector rated at 800 A and equipped with front main-circuit terminals.
Is the ABB E1.2B/MS 800 a circuit breaker or switch disconnector?
It is a switch disconnector. The E1.2B/MS configuration is intended for switching and isolation rather than providing the integral electronic overcurrent protection associated with Emax 2 circuit breakers fitted with Ekip trip units.
What is the short-time withstand current of the ABB 1SDA073394R1?
The E1.2B/MS 800 has a rated short-time withstand current of 42 kA for 1 s and 24 kA for 3 s.
What voltage can the ABB E1.2B/MS 800 be used at?
The E1.2B/MS range is designed for fixed low-voltage applications up to 690 V AC, making it suitable for a broad range of industrial and infrastructure distribution systems.
Is the ABB 1SDA073394R1 fixed or withdrawable?
The 1SDA073394R1 is a fixed-mounting version with front main-circuit terminals, providing a compact permanent installation within the switchboard.
Trusted Switching and Isolation for Low-Voltage Distribution
ABB SACE Emax 2 switch disconnectors combine robust switching performance, high short-time current withstand and compact switchboard integration to provide dependable isolation for demanding low-voltage power-distribution systems.
