WER17 Series Fuse Type Disconnector
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Summary Description:
WER17 series fuse disconnector is suitable for power distribution circuits and motor circuits with high short-circuit current with AC 50Hz, rated voltage up to 660V and agreed heating current up to 630A. It is used as power switch, disconnector and emergency switch for manual and infrequent operation for circuit short-circuit protection, but generally not for direct opening and closing of a single motor. The switch is beautiful in appearance, novel and concise, simple in structure and convenient in operation, and is the best choice for similar products.
Product Parameters
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- Product Parameters
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- Commodity name: WER17 Series Fuse Type Disconnector
WER17 series fuse disconnector is suitable for power distribution circuits and motor circuits with high short-circuit current with AC 50Hz, rated voltage up to 660V and agreed heating current up to 630A. It is used as power switch, disconnector and emergency switch for manual and infrequent operation for circuit short-circuit protection, but generally not for direct opening and closing of a single motor. The switch is beautiful in appearance, novel and concise, simple in structure and convenient in operation, and is the best choice for similar products.
Main technical parameters
Shell frame current: 160A、250A、400A、630A Rated voltage: 400V/690V Agreed heating current: 40~630A Rated insulation voltage: 1000V Number of poles: 3P、4P Rated impulse withstand voltage (Uimp): 12kV Rated short-circuit limiting current (Iq): 50kA Rated breaking capacity (A r.m.s): 8le Rated connection capacity (A r.m.s): 10le Power loss of fuse P: 4W~48W Working and installation environment
Ambient temperature:-5 ℃ ~ 40 ℃, and the average value does not exceed 35 ℃
Atmospheric conditions:The relative humidity of the atmosphere does not exceed 50% when the ambient air is +40 ℃, and can have higher relative humidity at lower temperatures, such as 90% at 20 ℃.
Altitude:The elevation of the installation site does not exceed 2000m
Usage category:AC-23B
Key words:
Explosion-proof monitoring
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Xiamen Welsh Saint Electric Co., Ltd.
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