Switch-Disconnector

SCB8G-63 Switch-Disconnector

• The number of poles for the isolating switch includes: single-phase, two-pole, three-pole, and four-pole.

• This isolating switch is designed for rail-mounted installation (can be installed on a mounting rail).

• Power Frequency Withstand Voltage: After undergoing damp heat resistance testing, the isolating switch must withstand a power frequency voltage of 1890V for 1 minute without flashover or puncture.

• It can withstand more than 2000 operating cycles at the rated current.

• Pollution Degree: 3

• Utilization Category: AC-22A

ELECTRICAL TECHNICAL REFERENCE

Rated Voltage (V) 1P 230/400V,2P,3P,4P 400V
Rated Current (A) 10,16,20,25,32,40,,50,63,80,100,125
Rated Making and Breaking Capacity 1.05Ue,3Ie cos φ =0.65
Rated Short-time Withstand Current (A) 20Ie,t=1s
Rated Short-circuit Making Capacity 20Ie,t≥1s cos φ =0.9
Rated current and conductor cross-sectional area  
Rated Current 10 16
20
25 32 40
50
63 80 100 125
Conductor Cross-sectional Area (mm²) 1.5 2.5 4 6 10 16 25 35 50
Terminal Tightening Torque (N·m) Screw: M6, tightening torque 2.0–3.5 N·m for
both power supply and load sides.

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