SU043 and SU044-1 
Specifications
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Power | 
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Nominal input voltage  | 230 VAC  | 
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Input voltage range  | 0 – 325 VAC  | 
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Frequency range  | 47 – 63 Hz  | 
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Normal sensitivity  | 4 ms typical, 8 ms maximum at 60 Hz  | |||
transfer times  | 5 ms typical, 10 ms maximum at 50 Hz  | |||
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Reduced sensitivity  | 8 ms typical, 16 ms maximum at 60 Hz  | |||
transfer times  | 10 ms typical, 20 ms maximum at 50 Hz  | |||
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Maximum current  | 6 A (SU043 model)  | |||
draw  | 13 A   | |||
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Physical  | 
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Size:  | 1.75 ×  | 17.0 ×  | 7.5 in  | |
4.45 ×  | 43.2 ×  | 19 cm  | ||
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Net weight  | 10 lb (4.5 kg)  | 
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Shipping weight  | 15 lb (6.8 kg)  | 
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Environmental | 
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Elevation (above  | 
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MSL): | 0 to 10,000 ft (0 to 3000 m)  | |||
• Operating  | ||||
0 to 50,000 ft (0 to 1500 m)  | ||||
• Storage  | ||||
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Temperature:  | 
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• Operating  | 32° to 122° F (0 to 50° C)  | |||
• Storage  | 5° to 122° F (– 15° to 50° C)  | |||
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Relative Humidity  | 
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(Operating and  | 0 to 95%,   | |||
Storage)  | ||||
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Approvals/Standards  | 
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CE, VDE, EN55022, EN55024  | 
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APC Redundant Switch: Installation and Operation Manual  | 21  |