Detailed Description

• Product Type & Series: ABB’s SACE Emax 2 air circuit breaker—model E2.2N 2500 Ekip Touch LSI 4p WMP, designed as a 4-pole breaker with a solid-state electronic trip unit (“Ekip Touch LSI”) for reliable, precise protection .

• Current & Voltage Ratings:

  • Rated current (In): 2500 A

  • Rated operational voltage (Ur): 690 VAC

  • Rated insulation voltage (Ui): 1000 VAC

  • Rated impulse withstand voltage (Uimp): 12 kV per IEC 60947-2 .

• Breaking Capacities:

  • Service short-circuit breaking capacity (Ics): up to 66 kA across a voltage range from 220 to 690 V

  • Short-time withstand (Icw): 66 kA for 1 second, 50 kA for 3 seconds

  • Ultimate breaking capacity (Icu): 66 kA at various voltages .

• Design & Durability:

  • Mechanical durability: 20,000 cycles

  • Electrical durability: 8,000 cycles at ≤440 V, 7,000 cycles at 500–690 V

  • Power loss: approximately 550 W

  • Neutral pole carries full current (100% of Iu) .

• Physical Dimensions & Weight:

  • Dimensions (W × H × D): about 407 mm × 425 mm × 383 mm

  • Weight: 55 kg (net)

  • Packed unit gross weight: around 60 kg .

• Standards & Features:

  • Conforms to IEC standards

  • Incorporates ABB’s Ekip Touch LSI electronic release for advanced LSIG protection (Long-time, Short-time, Instantaneous, Ground-fault)

  • Typically used in ABB’s Emax 2 switchgear systems for heavy-duty industrial power distribution