相故障欠/過電壓保護繼電器用于監控控制裝置和三相空調控制面板中交流三相電源電壓的一般電壓相故障. 用于保護水泵斷相、相序、相位失衡和干運轉故障。
相故障欠/過電壓保護繼電器
的詳細介紹
相故障欠/過電壓保護繼電器
Supply Voltage |
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System |
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100-120/220-240/380-440 VAC±20%, 3Ph-3Wire |
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Auxillary |
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Built In |
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Output Contacts |
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2 CO |
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Trip Setting (Volts) |
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Phase Sequence |
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Yes |
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Phase Unbalance |
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10% fixed |
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Under
Voltage |
For 380-440V AC
For 220-240V AC
For 100-120V AC |
:
:
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285-425V AC [Variable]
165-225V AC [Variable]
75-115V AC [Variable] |
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Over
Voltage |
For 380-440V AC
For 220-240V AC
For 100-120V AC |
:
:
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400-520V AC [Variable]
230-290V AC [Variable]
105-140V AC [Variable] |
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Trip Time Delay |
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On Phase Failure |
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3.5 secs ± 1.5 sec. |
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On UV/OV |
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3.5 secs ± 1.5 sec. |
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Dimensions (mm) |
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Overall (L x W x D) |
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76 x 30.5 x 117.5 |
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Mounting (L x W) |
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68 centre to centre / 35 mm rail Mounting |
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Note: |
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Wherever not specified Contact Rating : 5A @ 230 V AC (resistive) |
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* CE marked products available on request. |
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