LC1G265–500 Pole Characteristics

Number of poles

3 or 4

3 or 4

3 or 4

3 or 4

Rated operational current (le)(≤ 440 V)

3P: In AC–3, ≤ 55 °C (131 °F)

265 A

330 A

400 A

500 A

3P: In AC–3e, ≤ 60 °C (140 °F)

255 A

294 A

391 A

437 A

3P/4P: In AC–1, ≤ 40 °C (104 °F)

385 A

440 A

550 A

700 A

Rated operational voltage (Ue)

Up to 1000 V

Frequency operating limits with derating

16 2/3 – 400 Hz

Consult your technical support team for application with frequencies other than 50-60 Hz.

Conventional thermal current (Ith)≤ 40 °C (104 °F)

385 A

440 A

550 A

700 A

Rated making capacity

I rms conforming to IEC 60947–4–1

Making current: 10 x I in AC–3 or 12 x I in AC–4

Making current: 13 x I in AC-3e

Rated breaking capacity

I rms conforming to IEC 60947–4–1

Making and breaking current: 8 x I in AC–3 or 10 x I in AC–4

Making and breaking current: 8.5 x I in AC-3e

Maximum permissible current
No current flowing for previous 60 minutes, at ≤ 40 °C (104 °F)

For 10 s

2200 A

2650 A

3600 A

4000 A

For 30 s

1230 A

1800 A

2400 A

2800 A

For 1 min

950 A

1300 A

1700 A

2200 A

For 3 min

620 A

900 A

1200 A

1500 A

For 10 min

480 A

750 A

1000 A

1200 A

Short-circuit protection by fuses

Fuses for motor application type aM- Ue ≤ 440V

315 A

400 A

500 A

500 A

Fuses for motor application type aM- Ue ≤ 690V

250 A

250 A

315 A

400 A

Fuses for general application:type gG- Ue ≤ 690V

400 A

500 A

630 A

800 A

Average impedance per pole at lth and 50 Hz

0.144 mΏ

0.144 mΏ

0.1 mΏ

0.08 mΏ