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.
ABB SACE Emax 3 E2.3N 1250 ACB 4 Pole 1250A 66kA Ekip Aware LI Fixed Rear Terminals
ABB 1SDA125089R1 is a 1250 A Emax 3 E2.3N four-pole fixed air circuit breaker with Ekip Aware LI electronic protection and horizontal rear terminals.
£5,525.77
ABB Emax 3 E2.3N 1250 Ekip Aware LI 4-Pole Fixed Air Circuit Breaker – 1SDA125089R1
The ABB 1SDA125089R1 is an Emax 3 E2.3N air circuit breaker rated at 1250 A, featuring four poles, a fixed configuration and horizontal rear terminals. It is equipped with an Ekip Aware LI electronic trip unit providing long-time and instantaneous overcurrent protection.
Designed for high-capacity low-voltage power distribution systems, this ABB circuit breaker combines robust switching capability with electronically controlled protection and intelligent monitoring functions. Its four-pole configuration provides comprehensive protection for three-phase circuits with neutral switching.
The E2.3N frame is suited to demanding industrial and commercial distribution applications where dependable circuit protection, high current capacity and intelligent electronic protection are required. The 1SDA125089R1 provides a practical fixed installation solution for main distribution boards and high-capacity switchboards.
Key Advantages
- 1250 A rated current for high-capacity low-voltage power distribution.
- Four-pole construction for comprehensive three-phase and neutral circuit protection.
- Ekip Aware LI electronic trip unit with long-time and instantaneous protection functions.
- Fixed installation configuration for straightforward integration into switchboards and distribution assemblies.
- Horizontal rear terminal arrangement for practical switchboard connections.
- E2.3N frame designed for demanding low-voltage distribution applications.
- Part of the ABB SACE Emax 3 family of intelligent air circuit breakers.
Key Features
- Manufacturer: ABB
- Series: SACE Emax 3
- Breaker type: E2.3N air circuit breaker
- Rated current: 1250 A
- Number of poles: 4
- Trip unit: Ekip Aware LI electronic release
- Protection functions: Long-time and instantaneous overcurrent protection
- Mounting configuration: Fixed
- Terminal configuration: Horizontal rear terminals
Reliable Protection for Low-Voltage Power Distribution
The ABB Emax 3 E2.3N 1250 Ekip Aware LI combines high-current switching capability with electronically controlled circuit protection. Its LI protection arrangement provides long-time protection against sustained overloads and instantaneous protection for rapid response to severe fault currents.
With a 1250 A rating, four-pole construction, fixed mounting and horizontal rear terminals, the 1SDA125089R1 can be integrated into main distribution boards, industrial switchboards and other high-capacity low-voltage electrical assemblies where reliable protection and intelligent monitoring are required.
Typical Applications
- Industrial low-voltage power distribution
- Main and sub-main distribution switchboards
- Commercial building electrical distribution
- Manufacturing and process facilities
- High-capacity industrial power panels
- Electrical infrastructure requiring four-pole circuit protection
- Low-voltage distribution assemblies requiring electronic LI protection
- High-current power distribution systems requiring fixed air circuit breakers
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | ACB | |
|---|---|---|
| Current | 1250 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 66 kA | |
| Trip Unit | LI | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Product code | 1SDA125089R1 | |
| Product family | ABB SACE Emax 3 | |
| Frame size | E2.3N | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Number of poles | 4P | |
| Installation type | Fixed (F) | |
| Terminal arrangement | Horizontal rear (HR) | |
| Electronic release | Ekip Aware LI | |
| Long-time protection range (I1) | 500–1250 A | |
| Instantaneous protection range (I3) | 1875–18750 A | |
| HS Code | 85362090 |
Frequently Asked Questions
What is ABB 1SDA125089R1?
ABB 1SDA125089R1 is an Emax 3 E2.3N 1250 Ekip Aware LI four-pole fixed air circuit breaker with horizontal rear terminals.
What is the rated current of the 1SDA125089R1?
The ABB 1SDA125089R1 has a rated current of 1250 A.
How many poles does the ABB 1SDA125089R1 have?
The 1SDA125089R1 is a four-pole circuit breaker.
What type of trip unit does the 1SDA125089R1 use?
The circuit breaker uses an ABB Ekip Aware LI electronic trip unit providing long-time and instantaneous overcurrent protection.
What is the long-time protection range?
The long-time protection setting range is 500–1250 A.
What is the instantaneous protection range?
The instantaneous protection range is 1875–18750 A.
Is ABB 1SDA125089R1 fixed or withdrawable?
The 1SDA125089R1 is supplied in a fixed configuration.
What are the terminal connections?
The breaker uses horizontal rear terminals, designated FHR in the ABB Emax 3 product configuration.
Trusted by Professionals
ABB SACE Emax 3 air circuit breakers provide high-capacity low-voltage circuit protection and switching for demanding power distribution applications, combining electronic protection, intelligent monitoring and flexible installation configurations.
