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Over and undervoltage cut off |
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Type 1 protector at mains |
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Type II protector at UPS |
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Type II protector at generator ATS |
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Type II protector at branch panels |
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Type III protector at each sensitive equipment load |
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Telephone line protector for ADSL link |
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Network protector for data link |
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Coaxial protectors for RF lines and security cameras |