LC1G115–225 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, ≤ 60 °C (140 °F)

115 A

150 A

185 A

225 A

3P: In AC–3e, ≤ 60 °C (140 °F)

115 A

145 A

177 A

209 A

3P/4P: In AC–1, ≤ 40 °C (104 °F)

250 A

275 A

305 A

330 A

Rated operational voltage (Ue)

Up to 1000 V ⁽¹⁾

Rated frequency

50 – 60 Hz

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)

250 A

275 A

305 A

330 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

1100 A

1200 A

1500 A

1800 A

For 30 s

640 A

700 A

920 A

1000 A

For 1 min

520 A

600 A

740 A

850 A

For 3 min

400 A

450 A

500 A

560 A

For 10 min

320 A

350 A

400 A

440 A

Short-circuit protection by fuses

Fuses for motor application type aM- Ue ≤ 440V

125 A

160 A

200 A

250 A

Fuses for motor application type aM- Ue ≤ 690V

125 A

160 A

160 A

200 A

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

315 A

315 A

315 A

400 A

Average impedance per pole at lth and 50 Hz

0.15 mΏ

⁽¹⁾Ue ≤ 1000 V for AC-1/ 690 V for AC-3/AC-3e/ AC-4 for LC1G115