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- ABB 1SDA072932R1 E2.2N 1250 Ekip Dip LSI 4p WMP 66kA Air Circuit Breaker ABB 1SDA072932R1 E2.2N 1250 Ekip Dip LSI 4p WMP 66kA Air Circuit Breaker
ABB 1SDA072932R1 E2.2N 1250 Ekip Dip LSI 4p WMP 66kA Air Circuit Breaker
ABB 1SDA072932R1 E2.2N 1250 Ekip Dip LSI 4p WMP 66kA Air Circuit Breaker
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- Description
The ABB 1SDA072932R1 is an air circuit breaker moving part: a SACE Emax 2 E2.2N 1250, four-pole, Ekip Dip LSI electronic release, rated 1250 A uninterrupted current and 66 kA breaking capacity at 400 V AC. It ships as a WMP, so a compatible fixed part is a separate purchase before it can be installed.
Technical Specifications
| SKU | 1SDA072932R1 |
| Brand | ABB |
| Series | SACE Emax 2 |
| Catalog Designation | E2.2N 1250 Ekip Dip LSI 4p WMP |
| EAN | 8015644767822 |
| Frame / Performance Level | E2.2N (level N) |
| Poles | 4P |
| Neutral Pole Current | 100% of In |
| Rated Current (In / Iu) | 1250 A |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Insulation Voltage (Ui) | 1000 V AC |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Ultimate Breaking Capacity (Icu) at 400 V AC | 66 kA |
| Rated Service Breaking Capacity (Ics) at 400 V AC | 66 kA (100% of Icu) |
| Rated Short-Time Withstand Current (Icw) | 66 kA / 1 s, 50 kA / 3 s |
| Release / Trip Unit | Ekip Dip LSI |
| Connecting Capacity | 1200 mm² |
| Power Loss (per pole) | 176 W |
| Dimensions (W x H x D) | 407 x 425 x 383 mm |
| Net Weight | 55 kg |
| Suitable for IT Networks | Yes, up to 690 V |
Selection Notes
Carrying the S function, this Ekip Dip LSI release can be set with a short-time delay so the breaker rides through a downstream fault and lets a smaller device clear it first — the reason to choose it over the plain LI release wherever this unit needs to coordinate selectively with other breakers on the installation. 66 kA Icu and 66 kA Icw for 1 second mark it as the N performance level, a lower fault-current rating than the H-level E2.2 frame and typically the lower-cost option when the switchboard's available fault current does not require it. As a WMP, order the matching fixed part separately; together they form a withdrawable breaker that can be pulled for maintenance without touching the wiring. At 1250 A this sits below the 1600 A and 2000 A E2.2N siblings in the same release and pole count.