NDD1-80 Series Motor Protection Circuit Breakers, Nader

Utilization Category

GB14048.4

AC-3

Rated working voltage Ue (V)

380V, 400V, 415V, 690V

Rated insulating voltage Ui (V)

690V

Rated Frequency (Hz)

50/60Hz

Rated impulse withstand voltage Uimp (kV)

6kV

Power Consumption per Pole (W)

8W

Rated Frequency (Hz)

50/60Hz

Operating Performance(closing/opening)

Electrical life

10000

Mechanical life

17000

Duty Class (Max. Operating Rate: C.O./h)

25

Operating Frequency (ops./h)

120

Trip Class

10A

Terminal Wiring Capacity mm² (min/max)

Rigid Conductor

1×2.5/1×35

Flexible Conductor without Prefabricated Terminal

1×4/2×16

Flexible Conductor with Prefabricated Terminal

Terminal Tightening Torque (N.m)

Circuit Breaker Main Circuit

7~8N.m

Circuit Breaker Accessories

0.7~0.9N.m

Standards and Certificates

·CCC, CE, TUV

·GB/T 14048.1, GB/T 14048.2, GB/T 14048.4, GB/T 14048.5, IEC60947-1

Working condition

·Operation temperature:-20℃～+60℃

·Storage Temperature: -40℃～+80℃

·Altitude: ≤3000m.

·The relative humidity of the installation site should not exceed 50% when the temperature is+40 ℃, and higher relative humidity is allowed at lower temperatures

·Pollution Level: 3

·Protection Level: IP20