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- ABB 1SDA071222R1 E4.2V 4000 Ekip Dip LSI 3p F HR 150kA Air Circuit Breaker ABB 1SDA071222R1 E4.2V 4000 Ekip Dip LSI 3p F HR 150kA Air Circuit Breaker
ABB 1SDA071222R1 E4.2V 4000 Ekip Dip LSI 3p F HR 150kA Air Circuit Breaker
ABB 1SDA071222R1 E4.2V 4000 Ekip Dip LSI 3p F HR 150kA Air Circuit Breaker
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- Description
Rated at the top of the E4.2 frame, the ABB 1SDA071222R1 is a fixed, three-pole SACE Emax 2 E4.2V air circuit breaker with rear horizontal terminals. Its Ekip Dip LSI release carries a 4000 A rated current and delivers a 150 kA ultimate breaking capacity (Icu) at 400 V AC.
Technical Specifications
| SKU | 1SDA071222R1 |
| Brand | ABB |
| Series | Emax 2 |
| Catalog Designation | E4.2V 4000 Ekip Dip LSI 3p F HR |
| EAN | 8015644750725 |
| Frame | E4.2 |
| Short-Circuit Performance Level | V |
| Release | Ekip Dip LSI |
| Number of Poles | 3P |
| Rated Current (In / Iu) | 4000 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, 400 V AC) | 150 kA |
| Rated Service Breaking Capacity (Ics, 400 V AC) | 150 kA (100% of Icu) |
| Rated Short-time Withstand Current (Icw) | 100 kA for 1 s / 75 kA for 3 s |
| Terminal Connection Type | Rear flat Horizontal |
| Terminal Type | Bolt |
| Connecting Capacity | 4000 mm² |
| Suitable for IT Networks | Yes, 690 V |
| Power Loss | 465 W |
| Dimensions (W × H × D) | 384 × 371 × 270 mm |
| Net Weight | 56 kg |
Selection Notes
The Ekip Dip LSI release on 1SDA071222R1 adds an adjustable short-time (S) stage to the standard long-time/instantaneous protection, so it can be set to hold off tripping and let a downstream breaker clear first, up to its 100 kA Icw rating for 1 s - a capability the LI-release variant in the same V performance class does not have. At 150 kA Icu, it is rated for the top breaking class available in the E4.2 frame. Fixed with rear horizontal (F HR) terminals, it bolts directly to busbars without needing a cradle; the WMP version is the choice where draw-out isolation is required instead.