India 
4-pole, 40A Centre Off Modular Changeover Switch with Top Common Point SFT440N
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Technical characteristics
Architecture
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Number of poles4
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Control/operation elementChange over switch
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Type of pole4P
Electric current
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Rated current IN40 A
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Acceptable current rating AC21 category A40 A
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Acceptable current rating AC21 category B40 A
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Acceptable current rating AC22 category A40 A
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Acceptable current rating AC22 category B40 A
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Rated short-circuit making capacity Icm under 415 V AC according to IEC 60947-30,48 kA
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Rated short-time withstand current Icw 1s IEC 609470,60 kA
Installation, mounting
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Nominal tightening torque1,80 - 1,80 Nm
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Type of bottom connection for modular devicesScrew terminal
Voltage
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Rated operational voltage Ue415 - 415 V
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Rated insulation voltage Ui440 V
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Rated impulse withstand voltage Uimp4000 V
Capacity
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Number of modules4
Safety
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Ingress Protection (IP) classIP20
Frequency
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Frequency50 - 60 Hz
Dimensions
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Height83 mm
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Width70 mm
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Depth71 mm
Use conditions
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Operating temperature-20 - 50 °C
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Storage/transport temperature-40 - 80 °C
Connection
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Cross-section flexible conductor1.5 - 10 mm²
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Cross-section rigid conductor1.5 - 16 mm²
Endurance
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Number of mechanical operations200000
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Electrical durability at nominal load in AC21 in operating cycles25000
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Electrical durability at nominal load in AC22 in operating cycles25000
Power
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Power dissipation at IN8,40 W
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Power loss per pole at In2,10 W
Connectivity
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Down connection alignment for modular devicesShifted terminal
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Top connection alignment for modular devicesShifted terminal
Environmental value
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