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1SDA072421R1 ABB E2.2S 2500 Ekip Dip LI 3p WMP Air Circuit Breaker 2500 A
ABB 1SDA072421R1 E2.2S 2500 Ekip Dip LI 3p WMP is a 2500 A three-pole withdrawable SACE Emax 2 air circuit breaker with Ekip Dip LI electronic protection for low-voltage power distribution systems.
£9,939.73
Why Choose the ABB E2.2S 2500 Ekip Dip LI 3p WMP Air Circuit Breaker?
The ABB E2.2S 2500 Ekip Dip LI 3p WMP, order code 1SDA072421R1, is a high-performance three-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for reliable protection and switching in low-voltage power distribution systems. The breaker combines a 2500 A rated current with ABB's electronic Ekip Dip LI protection release for dependable overload and instantaneous short-circuit protection.
As an E2.2S breaker with short-circuit performance level S, the 1SDA072421R1 provides high breaking performance for demanding industrial and commercial electrical installations. Its rated ultimate short-circuit breaking capacity reaches 85 kA at 400–440 V AC, while its rated short-time withstand current is 66 kA for 1 s, supporting selective and robust low-voltage distribution architectures.
This model is the moving part of a withdrawable circuit breaker and features a three-pole configuration. It has a rated operational voltage of up to 690 V AC, a rated insulation voltage of 1000 V AC and an impulse withstand voltage of 12 kV. The breaker is also fitted with four auxiliary change-over contacts and circuit-breaker open/closed position indication.
Key Advantages
- High-capacity 2500 A air circuit breaker for low-voltage power distribution.
- 85 kA breaking capacity at 400–440 V AC for demanding electrical installations.
- Electronic Ekip Dip LI protection release provides overload and instantaneous short-circuit protection.
- Three-pole withdrawable design supports maintainable switchboard installations.
- Rated operational voltage up to 690 V AC.
- High 66 kA short-time withstand current for 1 s.
Key Features
- ABB SACE Emax 2 E2.2S series.
- 2500 A rated uninterrupted current.
- Three-pole configuration.
- Ekip Dip LI electronic trip unit.
- Long-time overload and instantaneous short-circuit protection.
- 85 kA Icu at 400–440 V AC.
- 66 kA Icu at 500–690 V AC.
- 66 kA Icw for 1 s and 50 kA for 3 s.
- Withdrawable moving-part configuration for switchboard applications.
- Four auxiliary change-over contacts with open/closed breaker position indication.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 provide switching and protection for high-current low-voltage distribution systems. They are commonly installed in main switchboards, distribution boards and industrial power systems where high breaking capacity, dependable operation and coordinated circuit protection are required.
The Ekip Dip LI electronic release provides long-time overload protection together with instantaneous short-circuit protection. Combined with the E2.2S breaker's high short-circuit ratings and withdrawable construction, this makes the 1SDA072421R1 particularly suitable for critical power distribution applications where reliable protection and straightforward maintenance are important.
Typical Applications
- Main low-voltage electrical switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process plant switchgear.
- Transformer and installation protection.
- High-current distribution feeders.
- Withdrawable switchgear assemblies requiring serviceable circuit protection.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code / MPN | 1SDA072421R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E2.2 |
| Short-circuit performance level | S |
| Rated current (In / Iu) | 2500 A |
| Number of poles | 3 |
| Current type | AC |
| Rated operational voltage | up to 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated ultimate short-circuit breaking capacity (Icu) at 400–440 V AC | 85 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–690 V AC | 66 kA |
| Rated service short-circuit breaking capacity (Ics) | 100% of Icu |
| Rated short-time withstand current (Icw) | 66 kA for 1 s; 50 kA for 3 s |
| Protection release | Ekip Dip LI |
| Release type | Electronic (EL) |
| Overload release setting range | 1000–2500 A |
| Instantaneous short-circuit release setting range | 3750–37500 A |
| Version | Withdrawable (W) |
| Auxiliary contacts | 4 change-over contacts |
| Power loss | 550 W |
| Mechanical durability | 20,000 operating cycles |
| Electrical durability at Ue ≤ 440 V | 8,000 operating cycles |
| Electrical durability at Ue 500–690 V | 7,000 operating cycles |
| Product width | 317 mm |
| Standards | IEC |
| Country of origin | Italy |
Frequently Asked Questions
What is the ABB 1SDA072421R1 used for?
The ABB 1SDA072421R1 is a 2500 A three-pole air circuit breaker used for switching and protecting low-voltage power distribution systems against overloads and short circuits.
What is the current rating of the ABB E2.2S 2500?
The E2.2S 2500 1SDA072421R1 has a rated uninterrupted current of 2500 A.
What is the breaking capacity of the 1SDA072421R1?
The breaker has a rated ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 500–690 V AC.
What protection unit does this breaker use?
The breaker uses an ABB Ekip Dip LI electronic release, providing long-time overload and instantaneous short-circuit protection.
Is the ABB 1SDA072421R1 a withdrawable circuit breaker?
Yes. The 1SDA072421R1 is the three-pole moving part of a withdrawable SACE Emax 2 circuit breaker, designed for use with the appropriate fixed part in a compatible switchgear assembly.
Trusted Power Protection from ABB
ABB SACE Emax 2 air circuit breakers are engineered for dependable low-voltage power distribution, combining high breaking performance, electronic protection and flexible switchgear integration for industrial, commercial and infrastructure applications.
